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AP65452 (NRND)

NRND = Not Recommended for New Design

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Description

The AP65452 is an adaptive constant on-time mode synchronous buck converter providing high efficiency, excellent transient response and high DC output accuracy for low-voltage regulation in digital TV and monitor.

The constant-on-time control scheme handles wide input/output voltage ratios and provides low external component count. The internal proprietary circuit enables the device to adopt both low equivalent series resistance (ESR) output capacitors, such as SP-CAP or POSCAP and ultra-low ESR ceramic capacitors.

The AP65452 features programmable soft-start, UVLO, OTP and OCP to protect the circuit.

This IC is available in SO-8EP package.

Application(s)

Gaming Consoles
Flat Screen TV Sets and Monitors
Set-Top Boxes
Distributed Power Systems
Home Audio
Consumer Electronics
Network Systems
FPGA, DSP and ASIC Supplies
Green Electronics

Product Specifications

Product Parameters

Efficiency (%)	92
Frequency Typ (Hz)	650
HS RDS(ON) (mΩ)	75
LS RDS(ON) (mΩ)	36
MaximumInput Voltage (V)	18
MinimumInput Voltage (V)	4.5
Output Current (mA)	4
Output Voltage (V)	0.76 to 6
Quiescent Current Typ (mA)	0.9
Shutdown Current Typ (µA)	3.6
Type	Buck

Technical Documents

Recommended Soldering Techniques

TN1.pdf