Details, datasheet, quote on part number: AP3302K6TR-G1
CategorySemiconductors => Power Management ICs => Voltage Regulators & Voltage Controllers => Switching Controllers => 8844356
TitleSwitching Controllers ACDC Single Ended Cont
CompanyDiodes, Inc.
DatasheetDownload AP3302K6TR-G1 datasheet
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Product CategorySwitching Controllers
ManufacturerDiodes Incorporated
Number of Outputs1 Output
Switching Frequency120 kHz
Input Voltage10 V to 28 V
Output Current350 mA
Minimum Operating Temperature- 40 C
Maximum Operating Temperature+ 85 C
Mounting StyleSMD/SMT
BrandDiodes Incorporated
Description/FunctionQuasi-resonant PWM controller
Fall Time50 ns
Operating Supply Current1.8 mA
Operating Supply Voltage10 V to 28 V
ProductPWM Controllers
Rise Time140 ns
Factory Pack Quantity4000
Unit Weight112 mg
AP3302K6TR-G1 photo


Features, Applications


The is a Peak-Current control, Quasi-Resonant (QR) PWM controller which is optimized for high performance, low standby power and cost effective offline flyback converters. At no load or light load, the IC will enter the burst mode to minimize standby power consumption. The minimum switching frequency (about 22kHz) is set to avoid the audible noise. When the load increases, the IC will enter valley lock QR mode with frequency foldback to improve system efficiency and EMI performance. The maximum switching frequency (about 120kHz) is set to clamp the QR frequency to reduce switching power loss. Furthermore, the frequency dithering function is built in to reduce EMI emission. Internal piecewise linear line compensation ensures constant output power limit over entire universal line voltage range. Comprehensive protection features are included, such as brown out protection, cycle-by-cycle current limit (OCP), VCC Over Voltage Protection (VOVP), Secondary-side Output OVP (SOVP) and UVP (SUVP), internal OTP, Over Load Protection (OLP) and pins' fault protection.


Very Low Start-Up Current Quasi-Resonant Operation with Valley Lock under All Line and Load Condition Non-Audible-Noise Quasi-Resonant Control Soft Start During Startup Process Frequency Fold Back for High Average Efficiency Constant Over Current Protection Secondary Winding Short Protection with FOCP Frequency Dithering for Reducing EMI VCC Maintain Mode Useful Pin Fault Protection: SENSE Pin Floating FB/Opto-Coupler Open/Short Comprehensive System Protection Feature: VCC Over Voltage Protection (VOVP) Over Load Protection (OLP) Brown Out Protection (BNO) Secondary Side OVP (SOVP) and UVP (SUVP) Mini Size Package of SOT26 Totally Lead-Free & Fully RoHS Compliant (Notes & 2) Halogen and Antimony Free. "Green" Device (Note 3)


Switching AC-DC Adapter/Charger ATX/BTX Auxiliary Power Set -Top Box (STB) Power Supply Open Frame Switching Power Supply

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See for more information about Diodes Incorporated's definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green" products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds.

Pin Number Pin Name GND FB DEM SENSE VCC GATE Function Signal ground. Current return for driver and control circuits Feedback. Directly connected to the opto-coupler Valley detection for QR control, AC line voltage detection for Brown-in/Brown-out, Sample output voltage for SOVP and SUVP, Set OCP line compensation current. Current Sense Supply voltage of driver and control circuits Gate driver output


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