Diodes Incorporated — Analog and discrete power solutions
SO 8EP

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AP65552 (Obsolete)

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Description

The AP65552 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 AP65552 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 (%) 94
Frequency Typ (Hz) 650
HS RDS(ON) (mΩ) 65
LS RDS(ON) (mΩ) 36
MaximumInput Voltage (V) 18
MinimumInput Voltage (V) 4.5
Output Current (mA) 5
Output Voltage (V) 0.76 to 6
Quiescent Current Typ (mA) 0.9
Shutdown Current Typ (µA) 3.6
Type Buck

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