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APW7065C

Anpec Electronics Coropration
Part Number APW7065C
Manufacturer Anpec Electronics Coropration
Description Synchronous Buck PWM Controller
Published May 22, 2014
Detailed Description APW7065C Synchronous Buck PWM Controller Features • • • • • • • • • • • Single 12V Power Supply Required Fast Transient...
Datasheet PDF File APW7065C PDF File

APW7065C
APW7065C

Overview
APW7065C Synchronous Buck PWM Controller Features • • • • • • • • • • • Single 12V Power Supply Required Fast Transient Response - 0~90% Duty Ratio 0.
8V Reference with 1% Accuracy Shutdown Function by Controlling COMP Pin Voltage Internal Soft-Start (1.
7ms) Function Voltage Mode PWM Control Design Under-Voltage Protection Over-Current Protection - Sense Low Side MOSFET’ s RDS(ON) 300kHz Fixed Switching Frequency SOP-8 Package Lead Free and Green Devices Available (RoHS Compliant) General Description The APW7065C uses fixed 300kHz switching f requency, voltage mode, synchronous PWM controller which drives dual N-channel MOSFE Ts.
The device integrates the control, monitoring and protection functions into a singl e package, provides one controlled power outp with under-voltage and over-current protections.
The AP W7065C provides excellent regulation for output load variation.
The internal 0.
8V temperature-compensated reference voltage is designed to meet the requirement of low output voltage applications.
An built-in digital soft-start with fixed soft-start interval prevents the output voltage from overshoot as well as limiting the input current.
The AP W70 65C with excellent protection functions: POR, OCP 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 Over-Current Protection (OCP) monitors the output current by using the voltage drop across the lower MOSFET’ s R DS(ON), comparing with internal VOCP (0.
29V), when the output current reaches the trip point, the IC shuts off the converter and initiates a new soft-start process.
After two over-current events are counted, ut Simplified Application Circuit 12V VIN APW7065C L VOUT the device turns off both high-side and low-side MOSFE Ts and the converter's output is latched to be floating.
It requires a POR of VCC to restart.
The Under Voltage Pro...


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