AP3417AKTR-G1

PART OBSOLETE - USE AP3417CKTR-G1 AP3417A 1A, 1.4MHZ HIGH EFFICIENCY SYNCHRONOUS DC-DC BUCK CONVERTER OBSOLETE – PART DISCONTINUED Description Pin Assignments The AP3417A is a 1.4MHz fixed frequency, current mode, PWM synchronous buck (step-down) DC-DC converter, capable of driving a 1A load with high efficiency, excellent line and load regulation. The device integrates synchronous P-channel and N-channel power MOSFET switches with low on-resistance. It is ideal for powering portable equipment that runs from a single Li-ion battery. (Top View) A standard series of inductors are available from several different manufacturers optimized for use with the AP3417A. This feature greatly simplifies the design of switch-mode power supplies. The AP3417A is available in SOT-23-5 package. EN 1 GND 2 SW 3 5 FB 4 VIN Features              SOT-23-5 Input Voltage Range: 2.5V to 5.5V Output Voltage: 0.6V to VIN ADJ Output Fixed 1.4MHz Frequency High Efficiency up to 95% Output Current: 1A Current Mode Control 100% Duty Cycle in Dropout Built-In Over Current Protection Built-In Short Circuit Protection Built-In Thermal Shutdown Protection Built-In UVLO Function Built-In Soft-Start Applications     Set-Top Box Datacom Portable Device Smart Phone Typical Applications Circuit R2 1 EN VIN 4 CIN 4.7F AP3417A Document number: DS41418 Rev. 3 - 4 R1 5 FB VIN SW AP3417A-ADJ GND 2 1 of 11 www.diodes.com 3 VOUT L 2.2H COUT 22F October 2018 © Diodes Incorporated AP3417A PART OBSOLETE - USE AP3417CKTR-G1 Pin Descriptions Pin Name Function 1 EN Control input pin. Forcing this pin above 1.5V enables the IC. Forcing this pin below 0.4V shuts down the IC. When the IC is in shutdown mode, all functions are disabled to decrease the supply current below 1µA 2 GND 3 SW Power switch output pin. Inductor connection to drain of the internal PFET and NFET switches 4 VIN Supply input pin. Bypass to GND with a 4.7µF or greater ceramic capacitor 5 FB This is the feedback pin of the device. Connect this pin directly to the output if the fixed output voltage version is used. For the adjustable version, an external resistor divider is connected to this pin Ground pin Functional Block Diagram VIN 4 GND VIN 2 4 1 EN VOLTAGE REFERENCE OSCILLATOR CURRENT SENSE 0.6V 5 FB ERROR AMPLIFIER PWM COMPARATOR MAX CURRENT LIMIT VOCP 3 SW DRIVER OBSOLETE – PART DISCONTINUED Pin Number 0.4V LOGIC CLK SHORT CIRCUIT PROTECTION REVERSE COMPARATOR AP3417A Document number: DS41418 Rev. 3 - 4 2 of 11 www.diodes.com 2 GND October 2018 © Diodes Incorporated AP3417A PART OBSOLETE - USE AP3417CKTR-G1 Absolute Maximum Ratings (Note 1) OBSOLETE – PART DISCONTINUED Symbol Note 1: Parameter Rating Unit -0.3 to 6.0 V VIN Input Voltage VFB Feedback Voltage -0.3 to VIN+0.3 V VEN EN Pin Voltage -0.3 to VIN+0.3 V VSW SW Pin Voltage -0.3 to VIN+0.3 V θJA Thermal Resistance 265 ºC/W TJ Operating Junction Temperature +150 ºC -65 to +150 ºC TSTG Storage Temperature TLEAD Lead Temperature (Soldering, 10sec) +260 ºC – ESD(Machine Model) 200 V – ESD(Human Body Model) 2000 V Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “Recommended Operating Conditions” is not implied. Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability. Recommended Operating Conditions Symbol Parameter Min Max Unit VIN Input Voltage 2.5 5.5 V TA Operating Ambient Temperature -40 +85 ºC AP3417A Document number: DS41418 Rev. 3 - 4 3 of 11 www.diodes.com October 2018 © Diodes Incorporated AP3417A PART OBSOLETE - USE AP3417CKTR-G1 Electrical Characteristics (VIN = 5V, TA = +25ºC, unless otherwise specified.) OBSOLETE – PART DISCONTINUED Symbol Parameter Conditions Min Typ Max Unit 2.5 – 5.5 V VIN Input Voltage – IQ Quiescent Current VFB = 0.65V – 62 100 µA Shutdown Supply Current VEN = GND – 0.1 1 µA Reference Voltage For Adjustable Output Voltage 0.588 0.6 0.612 V VFB = 1V -0.1 – 0.1 VFB = 0V -0.1 – 0.1 ISTBY VREF IFB_H Feedback Bias Current IFB_L µA RDS(ON)_ P PMOSFET RON ISW = 200mA – 0.25 – Ω RDS(ON) _N NMOSFET RON ISW = -200mA – 0.2 – Ω Switch Current Limit VFB = 0.55V 1.3 1.8 – A – 1.5 – – – – – 0.4 ILIM VH EN Pin Threshold VL V VUVLO UVLO Threshold VIN Rising – 2.3 – VHYS UVLO Hysteresis – – 0.2 – fOSC Oscillator Frequency – 1.12 1.40 1.68 DMAX Max. Duty Cycle – 100 – – DMIN Min. Duty Cycle – – – 0 VSW = 0V – 0.1 – VSW = 5V – 0.1 – Soft-Start Time – – 1 – ms TOTSD Thermal Shutdown – – +160 – ºC THYS Thermal Shutdown Hysteresis – – +20 – ºC V MHz % ISW_H SW Leakage Current ISW_L tSS AP3417A Document number: DS41418 Rev. 3 - 4 µA 4 of 11 www.diodes.com October 2018 © Diodes Incorporated AP3417A PART OBSOLETE - USE AP3417CKTR-G1 Performance Characteristics (VIN = 5V, TA = +25ºC, unless otherwise specified.) Efficiency vs. Input Voltage Efficiency vs. Output Current 100 100 95 90 90 80 Efficiency (%) Efficiency (%) 85 75 70 85 80 75 65 70 60 VOUT = 1.8V 55 IOUT = 1.0A 50 2.5 3.0 3.5 4.0 4.5 VIN = 5.0V VOUT =1.8V 65 5.0 60 0.0 5.5 0.2 0.4 Input Voltage (V) 0.8 1.0 Switch Current Limit vs. Temperature 0.64 2.4 0.63 2.3 VIN = 5.0V 2.2 VIN = 5.0V Switch Current Limit (A) 0.62 Reference Voltage (V) 0.6 Output Current (A) Reference Voltage vs. Temperature 0.61 0.60 0.59 0.58 2.1 2.0 1.9 1.8 1.7 1.6 0.57 1.5 0.56 -40 -20 0 20 40 60 80 100 120 1.4 -40 140 -20 0 20 40 60 80 o 100 Temperature ( C) Temperature ( C) Frequency vs. Input Voltage Frequency vs. Temperature 120 140 o 1.70 1.7 1.65 VIN = VEN = 5.0V 1.6 VIN = 5.0V 1.60 1.5 Frequency (MHz) 1.55 Frequency (MHz) OBSOLETE – PART DISCONTINUED 95 1.50 1.45 1.40 1.35 1.4 1.3 1.2 1.30 1.1 1.25 1.20 2.5 3.0 3.5 4.0 4.5 5.0 5.5 Input Voltage (V) AP3417A Document number: DS41418 Rev. 3 - 4 1.0 -40 -20 0 20 40 60 80 100 120 140 o Temperature ( C) 5 of 11 www.diodes.com October 2018 © Diodes Incorporated AP3417A PART OBSOLETE - USE AP3417CKTR-G1 Performance Characteristics (Cont. VIN = 5V, TA = +25ºC, unless otherwise specified.) RDS (ON)_UP vs. Temperature RDS (ON)_DOWN vs. Temperature 0.32 0.38 VIN = 5.0V 0.36 0.28 ISW = 200mA 0.34 NMOS RDS(ON)_DOWN ( PMOS RDS(ON)_UP () OBSOLETE – PART DISCONTINUED 0.40 0.32 0.30 0.28 0.26 0.24 0.24 0.20 0.16 0.12 VIN = 5.0V ISW = 200mA 0.22 0.08 0.20 0.18 -40 -20 0 20 40 60 80 100 120 0.04 -40 140 o 0 20 40 60 80 100 120 140 o Output Ripple (IOUT = 0A) VOUT_AC 10mV/div -20 Temperature ( C) Temperature ( C) Output Ripple (IOUT = 1A) VOUT_AC 10mV/div VSW 2V/div VSW 2V/div IL 1A/div IL 200mA/div Time 1µs/div Time 10ms/div Enable Turn on (IOUT = 1A) Enable Turn off (IOUT = 1A) VEN 5V/div VOUT 1V/div VEN 5V/div VOUT 1V/div VSW 2V/div VSW 2V/div IL 1A/div IL 1A/div Time 200μs/div Time 200μs/div AP3417A Document number: DS41418 Rev. 3 - 4 6 of 11 www.diodes.com October 2018 © Diodes Incorporated AP3417A PART OBSOLETE - USE AP3417CKTR-G1 Performance Characteristics (Cont. VIN = 5V, TA = +25ºC, unless otherwise specified.) OBSOLETE – PART DISCONTINUED Short Circuit Protection (IOUT = 1A) VOUT 1V/div Short Circuit Protection Recovery (IOUT = 1A) VOUT 1V/div VSW 5V/div VSW 5V/div IL 1A/div IL 1A/div Time 10ms/div AP3417A Document number: DS41418 Rev. 3 - 4 Time 10ms/div 7 of 11 www.diodes.com October 2018 © Diodes Incorporated PART OBSOLETE - USE AP3417CKTR-G1 AP3417A Ordering Information OBSOLETE – PART DISCONTINUED AP3417A X X - X Product Name Package K : SOT-23-5 Package Temperature Range SOT-23-5 -40 to +85ºC AP3417A Document number: DS41418 Rev. 3 - 4 Packing RoHS/Green TR : Tape & Reel G1:RoHS Compliant and Green Part Number AP3417AKTR-G1 8 of 11 www.diodes.com Marking ID G4H Packing Tape & Reel October 2018 © Diodes Incorporated AP3417A PART OBSOLETE - USE AP3417CKTR-G1 Package Outline Dimensions (All dimensions in mm(inch).) (1) Package Type: SOT-23-5 0.300(0.012) 0.600(0.024) 0.100(0.004) 0.200(0.008) 1.500(0.059) 1.700(0.067) 3.000(0.118) 2.650(0.104) OBSOLETE – PART DISCONTINUED 2.820(0.111) 3.100(0.122) 0.200(0.008) 0.700(0.028) REF 0.300(0.012) 0.500(0.020) 0° 8° 1.800(0.071) 2.000(0.079) 0.000(0.000) MAX 1.450(0.057) 0.950(0.037) TYP 0.150(0.006) 0.900(0.035) 1.300(0.051) AP3417A Document number: DS41418 Rev. 3 - 4 9 of 11 www.diodes.com October 2018 © Diodes Incorporated AP3417A PART OBSOLETE - USE AP3417CKTR-G1 Suggested Pad Layout Package Type: SOT-23-5 OBSOLETE – PART DISCONTINUED (1) E2 G Z E1 Y X Dimensions Z (mm)/(inch) G (mm)/(inch) X (mm)/(inch) Y (mm)/(inch) E1 (mm)/(inch) E2 (mm)/(inch) Value 3.600/0.142 1.600/0.063 0.700/0.028 1.000/0.039 0.950/0.037 1.900/0.075 AP3417A Document number: DS41418 Rev. 3 - 4 10 of 11 www.diodes.com October 2018 © Diodes Incorporated PART OBSOLETE - USE AP3417CKTR-G1 AP3417A IMPORTANT NOTICE OBSOLETE – PART DISCONTINUED DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 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LIFE SUPPORT Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems. Copyright © 2018, Diodes Incorporated www.diodes.com AP3417A Document number: DS41418 Rev. 3 - 4 11 of 11 www.diodes.com October 2018 © Diodes Incorporated