AP3127 Series

NRND = Not Recommended for New Design

Catalog

NRND = Not Recommended for New Design

Part	Package / Case	Mounting Type	Duty Cycle	Fault Protection	Voltage - Start Up	Output Isolation	Internal Switch(s)	Operating Temperature [Max]	Operating Temperature [Min]	Frequency - Switching	Supplier Device Package	Topology
Diodes Inc AP3127KTR-G1	SOT-23-6	Surface Mount	75 %	Current Limiting Over Load Over Voltage	15.8 V	Isolated		150 °C	-40 °C	65 kHz	SOT-26	Flyback

Catalog

NRND = Not Recommended for New Design

Key Features

• Very Low Start-up Current

• Current Mode Control

• Non-audible-noise Green-mode Control

• Internal Slope Compensation

• Soft Start During Startup Process

• Frequency Fold Back for High Average Efficiency

• Secondary Winding Short Protection with FOCP

• Soft Switching for Reducing EMI

• VCCMaintain Mode

• Useful Pin Fault Protection:SENSE Pin FloatingFB/Opto-coupler Open/Short

• SENSE Pin Floating

• FB/Opto-coupler Open/Short

• Comprehensive System Protection Feature:VCCOver Voltage Protection (VOVP)Over Load Protection (OLP)

• VCCOver Voltage Protection (VOVP)

• Over Load Protection (OLP)

• Secondary Side OVP (SOVP) and UVP

• Mini Size Package of SOT26

• Totally Lead-free & Fully RoHS Compliant

• Halogen and Antimony Free. "Green" Device

Description

The AP3127 is a current mode PWM controller which is optimized for high performance, low standby power and cost effective offline flyback converters. The AP3127 coordinating with Diodes’ secondary side controller AP4320 and protocol decoding IC AP4370 provide a Flyback charger/adapter solution compatible to Qualcomm Quick Charge 2.0 protocol.