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APW7064

Anpec Electronics Coropration
Part Number APW7064
Manufacturer Anpec Electronics Coropration
Description Synchronous Buck PWM Controller
Published Apr 27, 2016
Detailed Description APW7064 Synchronous Buck PWM Controller Features General Description • Single 12V Power Supply Required • Fast Trans...
Datasheet PDF File APW7064 PDF File

APW7064
APW7064

Overview
APW7064 Synchronous Buck PWM Controller Features General Description • Single 12V Power Supply Required • Fast Transient Response - 0~90% Duty Ratio • 1.
2V Reference with 1% Accuracy • Shutdown Function by Controlling COMP Pin Voltage • Internal Soft-Start (5.
1ms) Function • Voltage Mode PWM Control Design • Under-Voltage Protection • 200kHz Fixed Switching Frequency • SOP-8P Package • Lead Free and Green Devices Available (RoHS Compliant) Applications • Graphics Card • Mother Board • SMPS The APW7064 uses fixed 200kHz switching frequency, voltage mode, synchronous PWM controller which drives dual N-channel MOSFETs.
The device integrates the control, monitoring and protection functions into a single package, provides one controlled power output with under-voltage protection.
The APW7064 provides excellent regulation for output load variation.
The internal 1.
2V temperature-compensated reference voltage is designed to meet the requirement of low output voltage applications.
An built-in digital softstart with fixed soft-start interval prevents the output voltage from overshoot as well as limiting the input current.
The APW7064 with excellent protection functions: POR and UVP.
The Power-On-Reset (POR) circuit can monitor VCC supply voltage exceeds its threshold voltage while the controller is running, and a built-in digital soft-start provides output with controlled voltage rise.
The UnderVoltage Protection (UVP) monitors the voltage of FB pin for short-circuit protection.
When the V is less than FB 50% of VREF (0.
6V), the controller will shutdown the IC directly.
Pin Configuration Typical Application Circuit 12V VIN BOOT 1 UGATE 2 GND 3 LGATE 4 8 PHASE 7 COMP 6 FB 5 VCC APW7064 L VOUT SOP-8P APW7064 = Thermal Pad (connected to GND plane for better heat dissipation) ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain the latest version of relevant information to verify before ...


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