NCP5612GEVB

ON Semiconductor Is Now To learn more about onsemi™, please visit our website at www.onsemi.com onsemi and       and other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba “onsemi” or its affiliates and/or subsidiaries in the United States and/or other countries. onsemi owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of onsemi product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. onsemi reserves the right to make changes at any time to any products or information herein, without notice. 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All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. onsemi does not convey any license under any of its intellectual property rights nor the rights of others. onsemi products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use onsemi products for any such unintended or unauthorized application, Buyer shall indemnify and hold onsemi and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that onsemi was negligent regarding the design or manufacture of the part. onsemi is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. Other names and brands may be claimed as the property of others. NCP5612 High Efficiency Ultra Small Thinnest White LED Driver The NCP5612 product is a dual output LED driver dedicated to the LCD display backlighting. The built−in DC/DC converter is based on a high efficient charge pump structure with operating mode 1x and 1.5x. It provides a peak 87% efficiency together with a 0.2% LED to LED matching. www.onsemi.com MARKING DIAGRAM Features • • • • • • • • • • • Support the Single Wire Serial Link Protocol Peak Efficiency 90% with 1x and 1.5x Mode Programmable Dimming ICON Function Built−in Short Circuit Protection Provides 16 steps Current Control Controlled Start−up Inrush Current Built−in Automatic Open Load Protection Tight 0.2% Matching Tolerance Accurate 1% Output Current Tolerance Smallest Available Package on the Market This is a Pb−Free Device 1 YD = Specific Device Code M = Date Code G = Pb−Free Package (Note: Microdot may be in either location) PIN CONNECTIONS Typical Applications GND C1N • Portable Back Light • Digital Cellular Phone Camera Photo Flash • LCD and Key Board Simultaneous Drive VCC Vbat C5 C3 1 mF/6.3 V 220 nF/10 V 220 nF/10 V 1 mF/6.3 V VCC−cpu 11 Vbat 6 NC 5 I/O pin R1 MCU 4 10k 1 GND Vout LED1 IREF GND 7 GND LWY87S D1 CNTL GND C4 LED/ICON 2 D2 3 LWY87S U1 NCP5612 11 Vbat LED1 2 LED2 3 10 C1P IREF 4 9 C2N CNTL 5 8 C2P NC 6 7 VOUT 1 12 (Top View) 1 mF/10 V C1 C2 12 10 9 8 C1N C1P C2N C2P GND YD M G G LLGA12 (2x2 mm) MU SUFFIX CASE 513AA ORDERING INFORMATION Device Package Shipping† NCP5612MUTBG LLGA12 (Pb−Free) 3000/Tape & Reel †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D. Figure 1. Typical Single Wire White LED Driver © Semiconductor Components Industries, LLC, 2006 August, 2006 − Rev. 0 1 Publication Order Number: NCP5612/D NCP5612 C1 C2 220 nF 220 nF 12 10 9 8 C4 1 mF/10 V Vbat GND C3 CHARGE PUMP DC/DC CONVERTER 11 1 mF/6.3 V 7 Vout GND OVERVOLTAGE CNTL LWY87S 5 Vbat DIGITAL CONTROL 150 k Q1 CURRENT MIRRORS Vbat GND R1 4 10 k GND ANALOG CONTROL 1 GND GND NC 6 OVERTEMPERATURE Figure 2. Simplified Block Diagram www.onsemi.com 2 Q2 D1 2 3 LWY87S D2 NCP5612 PIN FUNCTION DESCRIPTION Pin No. Symbol Function Description 1 GND POWER This pin is the GROUND signal for the power analog blocks and must be connected to the system ground. This pin is the GROUND reference for the DC/DC converter and the output current control. The pin must be connected to the system ground, a ground plane being strongly recommended. 2 LED1 INPUT, POWER This pin sinks to ground and monitors the current flowing into the first LED, intended to be used in backlight application. The current is limited to 30 mA maximum (Note 2). The LED1 is deactivated when the ICON bit of the LED−REG register is High. The LED1 is automatically disconnected when an open load is sensed pin 2 during the operation. 3 LED2 INPUT, POWER This pin sinks to ground and monitors the current flowing into the second LED, intended to be used in backlight application. The current is limited to 30 mA maximum (Note 2). The LED2 fulfills the ICON function, LED1 being deactivated, when the ICON bit of the LED−REG register is High. The LED2 is automatically disconnected when an open load is sensed pin 3 during the operation. 4 IREF INPUT, ANALOG This pin provides the reference current, based on the internal band−gap voltage reference, to control the output current flowing in the LED. A 1% tolerance, or better, resistor shall be used to get the highest accuracy of the LED biases. An external current source can be used to bias this pin to dim the light coming out of the LED. In no case shall the voltage at pin 4 be forced either higher or lower than the 600 mV provided by the internal reference. 5 CNTL INPUT, DIGITAL This pin supports the flow of data between the external MCU and the NCP5612 internal registers. The protocol makes profit of a Single Wire structure associated to a Serial 8 bits format data flow. 6 NC − 7 VOUT OUTPUT, POWER No internal connection 8 C2P POWER One side of the external charge pump capacitor (CFLY) is connected to this pin, associated with C2N (Note 1) 9 C2N POWER One side of the external charge pump capacitor (CFLY) is connected to this pin, associated with C2P (Note 1) 10 C1P POWER One side of the external charge pump capacitor (CFLY) is connected to this pin, associated with C1N (Note 1) 11 VBAT INPUT, POWER 12 C1N POWER This pin provides the output voltage supplied by the DC/DC converter. The Vout pin must be decoupled to ground by a 1 mF ceramic capacitor located as close as possible to the pin. Cares must be observed to minimize the parasitic inductance at this pin. The circuit shall not operate without such bypass capacitor connected across the Vout pin and ground. The output voltage is internally clamped to 5.5 V maximum in the event of no load situation. On the other hand, the output current is limited to 40 mA (typical) in the event of a short circuit to ground. Input Battery voltage to supply the analog and digital blocks. The pin must be decoupled to ground by a 1.0 mF minimum ceramic capacitor. One side of the external charge pump capacitor (CFLY) is connected to this pin, associated with C1P (Note 1) 1. Using low ESR ceramic capacitor, 50 mW maximum, is mandatory to optimize the Charge Pump efficiency. 2. Total DC/DC output current is limited to 60 mA. www.onsemi.com 3 NCP5612 MAXIMUM RATINGS Symbol Value Unit Power Supply Rating VBAT 7.0 V Output Power Supply Vout 7.0 V Digital Input Voltage Digital Input Current CNTL −0.3 < V < VBAT 1.0 V mA Human Body Model: R = 1500 W, C = 100 pF (Note 3) Machine Model ESD 2.0 200 kV V PD RqJC RqJA 200 51 200 mW °C/W °C/W Operating Ambient Temperature Range TA −40 to +85 °C Operating Junction Temperature Range TJ −40 to +125 °C TJmax +150 °C Tstg −65 to +150 °C Latch−up Current Maximum Rating per JEDEC Standard: JESD78 − "100 mA Moisture Sensitivity (Note 5) − 1 LLGA12 Package Power Dissipation @ TA = +85°C (Note 4) Thermal Resistance, Junction−to−Case Thermal Resistance, Junction−to−Air Maximum Junction Temperature Storage Temperature Range Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 3. This device series contains ESD protection and exceeds the following tests: Human Body Model (HBM) "2.0 kV per JEDEC standard: JESD22−A114. Machine Model (MM) "200 V per JEDEC standard: JESD22−A115. 4. The maximum package power dissipation limit must not be exceeded. 5. Moisture Sensitivity Level (MSL): 1 per IPC/JEDEC standard: J−STD−020A. POWER SUPPLY SECTION (Typical values are referenced to TA = +25°C, Min & Max values are referenced −40°C to +85°C ambient temperature, operating conditions 2.85 V < Vbat < 5.5 V, unless otherwise noted.) Rating Pin Symbol Min Typ Max Power Supply 11 Vbat 2.7 − 5.5 Continuous DC Current in the Load @ Vf = 3.8 V, 3.2 V < Vbat < 5.5 V, ICON = L (30 mA per LED) 7 Iout Output ICON Current (ICON bit = H) @ 3.2 V < Vbat < 4.2 V, TA = +25°C 7 Continuous Output Short Circuit Current 7 Unit V mA 60 − − IICONTOL − 450 550 mA Isch − 40 100 mA Output Voltage Compliance (OVP) 7 Vout 4.8 − 5.7 V DC/DC Start Time (Cout = 1.0 mF) from end of the CNTL Tdst delay to full load operation, @ Vbat = 3.6 V 12 Tstart − 150 − ms Output Voltage Turn−off (Cout = 1 mF) From Last Low Level at CNTL pin to Vout = 5% 12 Toff − 500 − ms Standby Current, 0°C < TA < +85°C Vbat = 3.6 V, Iout = 0 mA, ICON = L 11 Istdb − − 1.0 mA Operating Current, @ Iout = 0 mA, ICON = H, Vbat = 3.6 V 11 Iop − 600 − mA Output LED to LED Current Matching, Vbat = 3.6 V, ILED = 10 mA, LED1 & LED2 are Identical −25°C < TA < 85°C 2, 3 IMAT − "0.2 "1.0 % Output Current Tolerance @ Vbat = 3.6 V, ILED = 10 mA −25°C < Ta < 85°C 2, 3 ITOL − "1.0 − % Charge Pump Operating Frequency − Fpwr − 1.0 − MHz Thermal Shutdown Protection − TSD − 160 − °C Thermal Shutdown Protection Hysteresis − TSDH − 30 − °C Efficiency − LED1 = LED2 = 10 mA, Vf = 3.2 V, Vbat = 3.8 V (Total = 20 mA) Efficiency − LED1 = LED2 = 30 mA, Vf = 3.75 V, Vbat = 3.8 V (Total = 60 mA) − − EPWR − − 87 84 − − % www.onsemi.com 4 NCP5612 ANALOG SECTION (Typical values are referenced to TA = +25°C, Min & Max values are referenced −40°C to +85°C ambient temperature, operating conditions 2.85 V < Vbat < 5.5 V, unless otherwise noted.) Rating Pin Symbol Min Typ Max Unit Reference Current @ Vref = 600 mV (Note 7) 4 IREF 1.0 − 60 mA Reference Voltage (Note 7) 0°C < TA < +85°C 4 VREF −3% 600 +3% mV Base Reference Current (IREF) Current Ratio − ILEDR − 500 − − 6. The overall output current tolerance depends upon the accuracy of the external resistor. Using 1% or better resistor is recommended. 7. The external circuit must not force the IREF pin voltage either higher or lower than the 600 mV specified. DIGITAL PARAMETERS SECTION (Typical values are referenced to TA = +25°C, Min & Max values are referenced −40°C to +85°C ambient temperature, operating conditions 2.85 V < Vbat < 5.5 V, unless otherwise noted.) Note: Digital inputs undershoot < − 0.30 V to ground, Digital inputs overshoot < 0.30 V to VBAT. Rating Pin Symbol Min Typ Max Unit Positive going Input High Voltage Threshold, CNTL signals 5 VIH 1.4 − VBAT V Negative going Input Low Voltage Threshold, CNTL signals 5 VIL − − 0.6 V Pull Down Resistor 5 Rcntl − 150 − kW Delay between two consecutive frame (Note 9) 5 tidle 10 − − ms Wake up delay (Note 9) 5 twkp − − 1.0 ms CNTL signal rise and fall time (Note 9) 5 tr, tf − − 200 ns Clocked CNTL High (Note 9) 5 ton − − 75 ms CNTL Low (Note 9) 5 ton, toff 1.0 − − ms CNTL Store data delay (Note 9) 5 Tdst − 200 300 ms Input CNTL frequency (Note 9) 5 FCNTL − − 400 kHz 8. see Timings Reference 9. Parameter not tested in production, guaranteed by design. www.onsemi.com 5 NCP5612 APPLICATION INFORMATION ton toff twkp tf tr 90% 90% VIH 10% VIL Bit = 1 Bit = 0 Bit = 0 Figure 3. Timings Reference VOH @ Vccio = 3.0 V 2600 mV VOH @ Vccio = 2.6 V 2400 mV 1400 mV VOL @ MOTOROLA: 500 mV VOL @ QUALCOMM: 450 mV VOL @ INTEL: 400 mV VIHsw VIL 600 mV 100 mV/step GROUND Figure 4. Basic Cellular Phone Chip Set Digital Output Levels DC/DC Operation The converter is based on a charge pump technique to generate a DC voltage capable to supply the White LED load. The system regulates the current flowing into each LED by means of internal current mirrors associated with the white diodes. Consequently, the output voltage will be equal to the Vf of the LED, plus the drop voltage (ranging from 150 mV to 400 mV, depending upon the output current and Vbat / Vf ratio) developed across the internal NMOS mirror. Typically, assuming a standard white LED forward biased at 10 mA, the output voltage will be 3.6 V. The built−in OVP circuit continuously monitors the output voltage and stops the converter when the voltage is above 5.0 V typical. The converter resumes to normal operation when the voltage drops below the typical 5.0 V (no latch−up mechanism). Consequently, the chip can operate with no load during any test procedures. external resistor connected across IREF pin and Ground (see Figure 5). In any case, no voltage shall be forced at IREF pin, either downward or upward. The reference current is multiplied by the internal current mirror, associated to the number of pulses as depicted Figure 9, to yield the output load current. Since the reference voltage is based on a temperature compensated Band Gap, a tight tolerance resistor will provide a very accurate load current. The resistor is calculated from the Ohm’s law (Rbias = Vref/IREF) and define the maximum current flowing into the LED when 20 pulses have been counted at the CNTL pin. Since the reference current must be between the minimum and maximum specified, the resistor value will range between Rbias = 300/30 mA = 10 kW and Rbias = 300/0.5 mA = 600 kW. Obviously, the tolerance of such a resistor must be 1% or better, with a 100 ppm thermal coefficient, to get the expected overall tolerance. Typical applications will run with Rbias = 10 kW to make profit of the full dynamic range provided by the S−Wire DATA byte. Load Current Calculation The load current is derived from the 600 mV reference voltage provided by the internal Band Gap associated to the www.onsemi.com 6 NCP5612 VBandGap LED Return Pin 2 & 3 600 mV R1 IREF GND Pin 4 Note: the IREF pin must never be biased by an external voltage. GND Figure 5. Basic Reference Current Source Load Connection in the application (see Figure 6). In this case, the two current mirrors can be connected in parallel to drive a single powerful LED, thus yielding 60 mA current capability in a single LED. The NCP5612 is capable to drive the two LED simultaneously, as depicted (see Figure 1), but the load can be arranged to accommodate one or two LED if necessary NCP5612 NCP5612 7 7 LWY87S LWY87S LWY87S D1 D1 C4 D2 1 mF/6.3 V 2 C4 1 mF/6.3 V 2 GND GND 3 3 Figure 6. Typical Single and Double LED Connections Single Wire Serial Link Protocol Finally, an external network can be connected across Vout and ground, but the current through such network will not be regulated by the NCP5612 chip (see Figure 7). On top of that, the total current out of the Vout pin shall be limited to 60 mA. The proposed S−WIRE uses a pulse count technique already existing in the data exchange systems. The protocol supports broken transmission, assuming the hold time is shorter than the maximum 200 ms typical specified in the data sheet. The S−WIRE details are provided in the AND8264 application note. Based on the two examples provided in Figure 8, the CNTL pin supports two digital level: CNTL = Low ³ the system is shut−off and no current flow in either LED1 or LED2. CNTL = High ³ the system is active and the two LED are powered according to the selected sequence. There is no time delay associated with the Low state and the LED are switched Off when the CNTL signal drops to Low. To program a new LED configuration, one shall send the number of pulses on the CNTL pin according to the true table: • The internal counter is reset to zero on the first negative going transient present on the CNTL pin C4 NCP5612 GND 7 D1 20 mA 2 3 1uF/6.3V LWY87S D3 LWY87S 5mA LWY87S LWY87S D2 20 mA R1 220R D4 5mA R2 220R GND Figure 7. Extra Load Connected to Vout www.onsemi.com 7 NCP5612 • The first four positive going pulses are used to control • • • • The system returns to zero if a pulse, delayed by the ICON (LED2): 1. Pulse #1 ³ ICON = 100 mA 2. Pulse #2 ³ ICON = 150 mA 3. Pulse #3 ³ ICON = 250 mA 4. Pulse #4 ³ ICON = 450 mA The fifth positive pulse will clear the ICON and activate the normal operation of LED1 and LED2 The pulses from the fifth to the twentieth will increase the LED current according to a pseudo logarithmic scale (see Figure 9). Any pulses beyond the twentieth will not make change to the LED current if the delay between the pulses is shorter than 75 ms. Start Bit Negative going edge Clear counter Example #1: CNTL LED1= 0 mA LED2 = ICON Pulse count TEL Tdst 2 1 3 ICON = 250 mA Shut down mode LED1=LED0= 0 mA TEHmax 75 ms when clocked Example #2: CNTL LED1= 6 mA LED2 = 6 mA Pulse count 200Ăms – Tdst – , follows the twentieth one and the cycle restart from the beginning. Once the expected LED current value is reached, the CNTL pin must stay High to store the new data and maintain the LED active. The contain of the counter is stored into the internal LED registers at the end of the built−in 200 ms typical delay: no action will take place during the end of the last positive going pulse and the end of the Tdst delay. Such a protocol prevent the system for broken transmission. On the other hand, in order to avoid corrupted data transmission, the High level shall be 75 ms maximum during a given data frame. Consequently, the pulse frequency is bounded by a 13 kHz minimum and a 400 kHz maximum. Tdst TEH 1 2 3 4 5 2 3 4 7 8 9 10 LED1=LED2 = 6 mA ICON = disabled Example #3: CNTL LED1= 30 mA LED2 = 30 mA Pulse count 1 6 5 6 7 8 9 Tdst 10 11 12 13 14 15 16 17 18 19 20 ICON = disabled LED1=LED2 = 30 mA LED1=LED2 = 0 mA Note: timings are not scaled. Figure 8. Basic NCP5612 Programming Sequence www.onsemi.com 8 NCP5612 DIMMING The built−in Single Wire Serial Link interface provides a simple way to accurately control the output current flowing in the two LED. Provision have been made, at silicon level, to provide a full dimming of the backlight (NORMAL mode of operation), the ICON current being adjustable in four steps when it is activated. Bit Clock I−LED(mA) 1 2 Table 1. LED Dimming Configuration LED activity Pulse 1 LED#2 = 100 mA, LED#1 de−activated Pulse 2 LED#2 = 150 mA, LED#1 de−activated Pulse 3 LED#2 = 250 mA, LED#1 de−activated Pulse 4 LED#2 = 450 mA, LED#1 de−activated Pulse 5 to Pulse 20 ICON de−activated, NORMAL backlight takes place I−LED(mA) 1 9 12 2 10 14 3 3 11 16 4 4 12 19 5 5 13 22 6 6 14 25 7 8 15 28 8 10 16 31 35 IOUT = F(Bit Clock) (linear scale) 30 25 IOUT (mA) Pulse Count Bit Clock The DC/DC converter is switched OFF and the two LED are disconnected when LED−REG=$00. When the ICON mode is activated, the DC/DC converter is switched OFF, LED#1 is deactivated from the LED current sense and the programmed bias current (powered from the Vbat source) is forced into LED#2. 20 15 10 5.0 0 0 5.0 10 15 BIT CLOCK Figure 9. Typical Output Current Slope Figure 10. Typical Efficiency www.onsemi.com 9 20 NCP5612 Figure 11. Typical LED to LED Current Matching C1 POWER 220 nF/6.3 V 4.7 mF/10 V VBAT J1 2 1 GND C2 12 GND J2 2 4 6 8 10 1 3 5 7 9 11 TP1 DATA 6 5 DATA 4 S−WIRE PORT GND 1 IREFBK R1 Z1 220 nF/6.3 V 10 9 NC U1 NCP5612 Vout CNTL IREF GND C4 8 C1N C1P C2N C2P Vbat LED1 LED/ICON 7 VOUT 2 LED1 GND GND Figure 12. Demo Board Schematic Diagram 10 GND D1 1.0 mF/10 V LWY87S 3 LED2 10 k www.onsemi.com TP2 VOUT C3 LWY87S D2 NCP5612 PACKAGE DIMENSIONS LLGA12 MU SUFFIX CASE 513AA−01 ISSUE O D PIN ONE REFERENCE A B ÇÇÇÇ ÇÇÇÇ ÇÇÇÇ ÇÇÇÇ 2X 0.10 C 2X NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994 . 2. CONTROLLING DIMENSION: MILLIMETERS. 3. DIMENSION b APPLIES TO PLATED TERMINAL AND IS MEASURED BETWEEN 0.15 AND 0.20 MM FROM TERMINAL. 4. COPLANARITY APPLIES TO THE EXPOSED PAD AS WELL AS THE TERMINALS. E DIM A A1 b D D2 E E2 e K L L1 TOP VIEW 0.10 C 0.10 C MILLIMETERS MIN MAX 0.50 0.60 0.00 0.05 0.15 0.25 2.00 BSC 0.80 1.00 2.00 BSC 0.55 0.65 0.40 BSC 0.25 −−− 0.30 0.50 0.40 0.60 A 12X 0.08 C SEATING PLANE SIDE VIEW A1 C D2 SOLDERING FOOTPRINT* L1 6 2 11X e 9X 0.66 2.30 12X 0.23 1 L 0.40 PITCH K 1 E2 e/2 2.06 12 0.93 11 7 12X b 11X 0.10 C A B 0.05 C 0.56 NOTE 3 BOTTOM VIEW 0.91 0.63 DIMENSIONS: MILLIMETERS *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303−675−2176 or 800−344−3867 Toll Free USA/Canada Email: orderlit@onsemi.com N. American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81−3−5773−3850 www.onsemi.com 11 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your loca Sales Representative NCP5612/D