FP5139BWR-LF

FP5139 Asynchronous Boost Controller General Description The FP5139 is a boost topology switching regulator control IC for battery-powered applications. The FP5139 includes a totem-pole single output stage for driving NPN transistor or N-MOS, high precision reference voltage(0.5V) to compare output voltage with feedback amplifier, an internal duty time control for controlling the minimum duty cycle, programmable soft start with short circuit protection function and logic level control for operating mode or standby mode. Features  Wide Supply Voltage Operating Range: 1.8 to 15V  Precision Reference Voltage: 0.5V ±2%  Low Current Consumption: 5.5mA in Operation Mode  Low Current Consumption: 1μA in Standby Mode  High Oscillator Frequency: 1MHz max.  Totem-Pole Output with Adjustable ON / OFF Current (for NPN Transistors or n-Channel MOSFET)  Logic Level Control Stand-by Mode Function  Programmable Soft Start Function (SS)  Short Circuit Protection Function (SCP)  Package: TSSOP-8L Applications  Digital Camera  PDA  Portable Equipment This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product. Rev. 1.2 Website: http://www.feeling-tech.com.tw 1/15 FP5139 Function Block Diagram OSC VCC Reference voltage supply Sawtooth wave oscillator 0.6V 0.1V 1.25V FB - OUT 0.1V PWM - Comp. + + + 36k + Error Amp. 500 0.5V 30k Output drive control circuit DTC 0.6V 0.22V COMP Soft Start SCP GND BR / CTL SCP This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product. Rev. 1.2 Website: http://www.feeling-tech.com.tw 2/15 FP5139 Pin Descriptions TSSOP-8L Name No. I / O FB 1 I SCP 2 I Description VCC 3 P Error Amplifier Inverting Input Soft Start and SCP Function Connect a Capacitor to this pin IC power supply BR / CTL 4 I Output Current Setting and Control OUT 5 O Totem-Pole Output GND 6 P OSC 7 I COMP 8 O IC Ground Oscillator Output: Connect Capacitor and Resistor to this pin for Frequency Adjustment Error Amplifier Compensation Output Marking Information TSSOP-8L FP5139 9Fa-86L Halogen Free Lot Number Internal ID Per-Half Month Year Halogen Free: Halogen free product indicator Lot Number: Wafer lot number’s last two digits For Example: 132386TB  86 Internal ID: Internal Identification Code Per-Half Month: Production period indicated in half month time unit For Example: January → A (Front Half Month), B (Last Half Month) February → C (Front Half Month), D (Last Half Month) Year: Production year’s last digit This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product. Website: http://www.feeling-tech.com.tw Rev. 1.2 3/15 FP5139 Ordering Information Part Number Operating Temperature Package MOQ Description -10°C ~ +85°C TSSOP-8L 2500EA Tape & Reel FP5139BWR-LF Absolute Maximum Ratings Max. Unit 15 V Output Source Current -50 mA Output Sink Current 50 mA SOP-8L, TA≦+25℃ 570 mW MSOP-8L, TA≦+25℃ 400 mW TTSOP-8L, TA≦+25℃ 400 mW +125 ℃ +260 ℃ +260 ℃ +260 ℃ Parameter Symbol Conditions Power Supply Voltage Allowable Power Dissipation Storage Temperature Lead Temperature Min. VIN -55 SOP-8L, (soldering, 10 sec) TSSOP-8L, (soldering, 10 sec) MSOP-8L, (soldering, 10 sec) Typ. Suggested IR Re-flow Soldering Curve This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product. Website: http://www.feeling-tech.com.tw Rev. 1.2 4/15 FP5139 Recommended Operating Conditions Parameter Symbol Conditions Min. Typ. Max. Unit Supply Voltage 1.8 15 V Operating Temperature -10 +85 ℃ DC Electrical Characteristics (VCC= +2V, TA=25℃, unless otherwise noted) Parameter Symbol Test Conditions Min. Typ. Max. Unit 0.9 V Under Voltage Lock-Out Section (UVLO) Low Threshold Voltage Upper Threshold Voltage VLOW VUPPER 1.1 1.3 1.5 V -1.5 -1.0 -0.7 µA 0.8 0.9 1.0 V -1.5 -1.0 -0.7 μA 0.7 0.8 0.9 V 400 500 600 KHz Δf / ΔV VCC =2V to 15V 2 10 % Δf / ΔT TA = 0℃ to 85℃ 5 % 85 % 10 % Soft Start Section (SS) Input Source Current Soft Start Threshold Voltage ISS VSCP= 0V VSST Short Circuit Protection Section (SCP) Input Source Current ISCP SCP Threshold Voltage VSCP VSCP= 0V Oscillator Section Oscillation Frequency Frequency Change With Voltage Frequency Change With Temperature Idle Period Adjustment Section Maximum Duty Cycle f TDUTY RT =3.0KΩ, CT =270pF RT =3.0kΩ, CT =270pF, VFB =0.8V Maximum Duty Cycle Change With Temperature Total Device Section Δ TDUTY TA = -10℃ to 85℃ / ΔT Standby Current ISTANDBY Pin 4 is open or =VCC Average Current Consumption IAVE 1 μA 5.0 10 mA 500 510 mV VCC =2V to 15V 5 20 mV TA = -10℃ to 85℃ 1 RB =390Ω, VCC =0~15V Error Amplifier Section Input Threshold Voltage VT Change With Voltage VT Change With Temperature VFB ΔVFB / ΔV ΔVFB / ΔT Input Bias Current IB Voltage Gain Av Frequency Bandwidth BW Output Voltage Swing Positive VPOS Output Voltage Swing Negative VNEG Output Source Current Output Sink Current VCOMP =450mV 490 -1.0 AV =0 dB 0.78 ISOURCE VCOMP =450 mV ISINK VCOMP =450 mV 24 -0.2 % 1.0 μA 100 V/V 6 MHz 0.87 V 0.05 0.2 V -40 -24 μA 40 μA This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product. Website: http://www.feeling-tech.com.tw Rev. 1.2 5/15 FP5139 Parameter Symbol Test Conditions Min. Typ. Max. Unit Output Section Output High Voltage Output Saturation Voltage Output Source Current Output Sink Current Internal Pull-Down Resistor VOH1 RB=390Ω, IO=-15mA 1.0 1.2 V VOH2 RB=750Ω, IO=-10mA, VCC= 1.8V 0.8 1.0 V VOL1 RB=390Ω, IO=15mA 0.1 0.2 V VOL2 RB=750Ω, IO=10mA, VCC= 1.8V 0.1 0.2 V -40 -20 mA 30 40 - mA 20 30 40 kΩ 0.15 0.22 0.3 V 0 μA -45 μA -0.1 mA IOSOURCE RB=390Ω, Vo=0.9V IOSINK RB=390Ω, Vo=0.3V RO Output Current Setting / Control Section Pin Voltage VBR Input Off Condition IOFF Input On Condition ION Pin Current Range IBR RB=390Ω -20 -1.8 This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product. Website: http://www.feeling-tech.com.tw Rev. 1.2 6/15 FP5139 Typical Operating Characteristics (VCC=2V, TA= 25°C, unless otherwise noted) Supply Voltage vs. Supply Current Supply Voltage vs. Input Threshold Voltage 12 1.2 T A =25 ℃ R B =390 Ω 10 T A =25 ℃ 1.0 8 0.8 6 0.6 4 0.4 2 0.2 0 0 8 4 12 16 0 20 0 4 8 16 20 Su pply Voltage V cc(V) Su pply Voltage Vcc(V) Figure 1 Figure 2 A mbient te mperature vs. Input threshod voltage variation ratio 30 12 High Level Output 1.2 Vcc =2 V Vcc=2 V R B =390 Ω T A =25 ℃ 10 1.0 5 0.8 0 0.6 -5 0.4 -10 0.2 -15 25 0 25 50 75 100 0 0 -10 -20 -30 -4 0 -50 A m bie nt T e m peratu re T A ( ℃ ) High Level Output Current Iout (m A) Figure 3 Figure 4 Low level output 6 00 B R / C TL pin Current vs. Output Source Current -6 0 Vcc=2V R B=390 T A =25 ℃ 5 00 400 -4 0 3 00 -3 0 20 0 -2 0 100 -10 0 0 20 40 60 80 V cc=2 V V OUT =0.9V T A =25 ℃ -50 0 1 00 0 -0.4 -0.8 -1.2 -1.6 -2.0 B R / CT L pin current IBR (m A ) Lo w level output current Iout ( m A) Figure 6 Figure 5 This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product. Website: http://www.feeling-tech.com.tw Rev. 1.2 7/15 FP5139 This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product. Website: http://www.feeling-tech.com.tw Rev. 1.2 8/15 FP5139 Function Description Voltage Reference A 1.25V regulator operating from VCC is used to power the FP5139 internal circuitry. An internal resistive divider provides 0.5V reference for the error amplifier, Soft-start (0.9V typ.) and SCP (0.8V typ.) circuits. Error Amplifier The error amplifier compares a sample of the DC-DC converter output voltage to the 0.5V reference and generates an error signal for the PWM comparator. Output voltage of DC-DC converter is setting with the resistor divider using the following equation (see figure12): R1   VOUT  1    0 .5 R 2  VOUT R1 Error Amplifier 1 36K R2 0.5V 500 FP5139 8 C1 Figure 12 Error Amplifier with Feedback resistance divider Oscillator The oscillator frequency can be set from 20KHz to 1MHz by connecting a resistor and a capacitor at OSC pin of FP5139 to ground. The oscillator frequency can be determined by using the graph shown in Figure 9. The oscillator output is a sawtooth wave with a minimum value of approximately 0.1V and a maximum value of approximately 0.6V. The PWM comparator compares the oscillator voltage with error amplifier output voltage, internal maximum duty control voltage (0.6V typ.) and soft start setting voltage. When the sawtooth wave voltage is lower than all of above three-output voltage, the output of FP5139 is high (Turn on external NPN transistor or NMOS). This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product. Website: http://www.feeling-tech.com.tw Rev. 1.2 9/15 FP5139 Under Voltage Lockout (UVLO) The under voltage lockout circuits turn the output off whenever the supply voltage drops too low (approximately 0.9V at 25℃) for proper operation. A hysteresis voltage of 200mV eliminates false triggering on noise and chattering. Soft Start/ Short-circuit protection (SS / SCP) The soft start is functional after power on. The interval of soft start time is determined by a capacitor connected to SCP pin (pin 2). When soft start function finished, the internal soft start voltage is setting high, but external SCP pin is setting low in order to change to short circuit detection / protection function. The time of soft start is: Tss[mS ] = 0.35 × C[μF] The short circuit protection is triggered when a heavy loading makes output voltage drop and error amplifier output (COMP pin) is larger than VPOS (0.9V typ.). The SS pin capacitor will be charged to the SCP threshold voltage (0.8V typ.), then FP5139 output is disabled (internal pull-low) and the capacitor is discharged to low. The time of short circuit protection is: Tscp[mS ] = 0.8 × C[μF] Output Transistor The FP5139 has a totem-pole transistor with a 40mA source/sink current capability to drive an external NPN transistor or NMOS directly. The driving current capability depends on a resistor R that is connected to BR / CTL pin (Pin4) of FP5139. (see figure 13) Figure 13 Output Transistor Driving Control Circuit This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product. Website: http://www.feeling-tech.com.tw Rev. 1.2 10/15 FP5139 BR / CTL pin can also use to control the output of FP5139 for disable or enable function of system. Control Pin Q1 BR / CTL Pin Output Transistor Function Mode Low Off Open Disable Stand-by High On Bias Current Enable Operation This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product. Website: http://www.feeling-tech.com.tw Rev. 1.2 11/15 FP5139 Application Information Vin 3V L1 10uH SM340A IC1 1 2 3 C7 220uF 4 CA1 0.1uF FB COMP SCP OSC VCC GND 7 C1 0.1uF 6 BR/CTL OUT R4 390 Q1 NPN R3 0 5 R2 51k C2 0.1uF Q2 AP2306GN C11 220uF C8 0.1uF PNP Q5 R5 3.9k Q4 NPN ON/OFF Socket R1 20k 8 FP5139 C5 0.1uF Vout 9V/0.5A D2 R6 3k C6 330pF Vin R7 4.7k 1 2 SW1 Figure14 DC 3V to DC 9V Boost Converter Circuit Vin 9~24V L1 1 QA1 NPN 2 3 4 DA1 10V CA1 1uF C5 0.1uF R4 390 FB SCP VCC 1 2 COMP OSC GND BR/CTL OUT D3 22uF SR55 8 7 C1 0.1uF 6 Vout 12V/2A R1 20k Q1 NPN R3 0 5 FP5139 Q4 NPN ON/OFF Socket Cs1 IC1 RA1 3k C7 330uF 22uH L2 Q2 AP9974AGH 22uH R2 46k C2 0.1uF C4 470uF C10 10uF Q5 PNP R5 3.9k R6 2k C6 470pF Vin R7 4.7k SW1 Figure15 DC 9V~24V to DC 12V SEPIC Converter Circuit This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product. Website: http://www.feeling-tech.com.tw Rev. 1.2 12/15 FP5139 3 Q3 1 D2 C3 1uF NPN BEC Vout3 MOSFET P 2 3 R1 R C4 1uF 1 C5 1uF Q1 Q2 2 BAT54S/SOT_0 R2 R R4 R5 R 2 R3 R BAT54S/SOT_0 C2 0.1uF 3 1 D1 C1 0.1uF Vout2 R6 R R7 R C6 1uF 3 2 D3 R8 R 1 D4 1 TL431 C8 1uF 2 3 TL431 R9 L1 Vin 33uH L2 D5 SCD34 Q4 NPN 33uH Vout1 R10 R C9 1uF IC1 2 Vin Socket Vout2 1 2 1 2 CON1 CON2 Vot Socket3 1 2 1 2 CON3 CON4 OSC VCC GND R12 7 51k 1% C10 0.1uF 6 R13 0 Vin C12 4 220uF/6.3V Vot Socket1 Vout3 3 SCP R11 8 COMP C16 0.1uF BR/CTL OUT R14 C7 0.1uF 1k Vout1 C11 Q5 MOSFET N GDS 1 R16 3k C13 C14 100uF FP5139 Q6 NPN 3904 ON/OFF Socket Vin 5 3 Vot Socket2 FB 2 1 C15 0.1uF 100uF R15 C17 3k 1% 470pF R17 4.7k 1 2 SW1 Figure16 Charge Pump DC-DC Converter Circuit R9 R8 56K 1.8K R10 R11 33K 5.1K V2 FB R12 3.3K L1 4 C2 104 C1 R7 + C7 470pF 330uF + C4 0.47uF 3 CTL 4 SCP Cosc VCC GND CTL OUT 7 C5 0.1uF L4 5 1 R6 0 10 CLS12 C6 6 FP5139 R5 220 3 + 33uH C12 100uF/16V +3.3V + BAT54RCLT1 3 2 Q3 AP2304 L5 V4 D5 BAT54HT1 33uH -7.5V C14 100uF/16V C15 47uF/16V + R1 Q2 2N3904 ON / OFF 33K C16 1nF R4 C3 270pF R2 10K R3 3K Figure17 Flyback Multi-Output DC-DC Converter Circuit This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product. Website: http://www.feeling-tech.com.tw Rev. 1.2 13/15 C11 47uF/16V D4 9 V3 COMP + 2 SCP FB 33uH C10 100uF/16V 8 2 COMP 8 C9 47uF/16V BAT54RCLT1 U1 1 L3 7 1 D6 8.2 +15V + D3 6 5 33uH C8 100uF/25V V 5 + FUSE + T1 18uH L2 V1 2 V F1 D2 BAT54HT1 (R9+R8)=17.48*R12 0.66*(R8+R9)=(R10+R11) + VCC V3 C13 47uF/16V FP5139 Timing Waveform COMP pin Voltage Reference input for SCP Comparator Idle period setting voltage Oscillator waveform Soft-start setting voltage OUT pin waveform SS/SCP pin waveform Output Short Circuit Soft-start ts Control pin voltage tpe Output Short Circuit Short Circuit Protection IC Shutdown Figure18 FP5139 Timing Diagram This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product. Website: http://www.feeling-tech.com.tw Rev. 1.2 14/15 FP5139 Package Outline TSSOP-8L UNIT: mm Symbols Min. (mm) Max. (mm) A 1.200 A1 0.050 0.150 A2 0.960 1.060 D 2.900 3.100 E 6.400 BSC E1 4.300 4.500 L 0.450 0.750 θ° 0° 8° Notes: 1. Package dimensions are in compliance with JEDEC outline: MO-153 AA. 2. Dimension “D” does not include molding flash, protrusions or gate burrs. 3. Dimension “E1” does not include inter-lead flash or protrusions. This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product. Website: http://www.feeling-tech.com.tw Rev. 1.2 15/15