ACT413/ACT413A Rev 5, 24-Dec-15 TM ActivePSR Quasi-Resonant PWM Controller ACT413/ACT413A integrates comprehensive FEATURES protection. In case of over temperature, over Patented Primary Side Regulation voltage, short winding, short current sense resistor, Technology open loop and overload conditions, it would enter auto restart mode including cycle-by-cycle current Quasi-Resonant Operation limiting. Adjustable up to 85kHz Switching Frequency ACT413/ACT413A is to achieve no overshoot and +/-5% Output Voltage Regulation very short rise time even with big capacitive load (4000F) with the built-in fast and soft start process. Accurate OCP/OLP Protection The Quasi-Resonant (QR) operation mode can Integrated Output Cord Compensation effectively improve efficiency, reduce the EMI noise Integrated Line and Primary Inductance and further reduce the components in input filter. Compensation ACT413/ACT413A is idea for application up to 36 Built-in Soft-Start Circuit Watt. Line Under-Voltage, Thermal, Output Over- Figure 1: voltage, Output Short Protections Simplified Application Circuit Current Sense Resistor Short Protection Transformer Short Winding Protection Less than 100mW Standby Power for ACT413 Less than 75mW Standby Power for ACT413A Complies with Global Energy Efficiency and CEC Average Efficiency Standards Tiny SOT23-6 Packages APPLICATIONS AC/DC Adaptors/Chargers for Smart Phones, iPADs, ADSL, PDAs, E-books Adaptors for Portable Media Player, DSCs, and Other GENERAL DESCRIPTION The ACT413/ACT413A is a high performance peak current mode PWM controller which applies TM TM ActivePSR and ActiveQR technology. ACT413/ACT413A achieves accurate voltage regulation without the need of an opto-coupler or reference device. The ACT413/ACT413A is designed to achieve less than 100mW/75mW Standby Power. By applying TM frequency fold back and ActiveQR technology, ACT413/ACT413A exceeds the latest ES2.0 efficiency standard. TM Innovative Power - 1 - www.active-semi.com Copyright 2015 Active-Semi, Inc. ACT413/ACT413A Rev 5, 24-Dec-15 ORDERING INFORMATION MINIMUM TEMPERATURE PACKING PART NUMBER PACKAGE PINS SWITCHING TOP MARK RANGE METHOD FREQUENCY ACT413US-T -40C to 85C SOT23-6 6 TUBE & REEL 1164Hz FRYK ACT413AUS-T -40C to 85C SOT23-6 6 TUBE & REEL 550Hz FRYA PIN CONFIGURATION SOT23-6 SOT23-6 ACT413AUS ACT413US PIN DESCRIPTIONS PIN NAME DESCRIPTION Current Sense Pin. Connect an external resistor (R ) between this pin and ground to set peak CS 1 CS current limit for the primary switch. 2 GND Ground. 3 GATE Gate Drive. Gate driver for the external MOSFET transistor. 4 VDD Power Supply. This pin provides bias power for the IC during startup and steady state operation. 5 FB Feedback Pin. Connect this pin to a resistor divider network from the auxiliary winding. 6 COMP Compensation Pin. TM Innovative Power - 2 - www.active-semi.com Copyright 2015 Active-Semi, Inc.