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AP65251 (Obsolete)

2A, 16V, 500KHz ACOT SYNCHRONOUS DC/DC BUCK CONVERTER

Evaluation Boards and User Guides

AP65251WU-EVM-User-Guide.pdf (372 KB)

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Description

The AP65251 is an aCOT synchronous buck converter providing high efficiency, excellent transient response and high DC output accuracy for low-voltage regulation in digital TV and monitor.

The AP65251 features UVLO, OTP, OVP and OCP to protect the circuit.

This IC is available in TSOT26 package.

Feature(s)

Synchronous Rectification: 150mΩ Internal High-side Switch and 90mΩ Internal Low-side Switch
Wide Input Voltage Range: 4.5V to 16V
Output Voltage Range: adjustable from 0.8V
2A Continuous Output Current
500kHz Switching Frequency
Built-in Over Current Limit, Over Voltage Protect and UVLO
Built-in Thermal Shutdown Protection
Available in smaller package, TSOT26

Application(s)

Point-of-Load Power

Product Specifications

Product Parameters

Compliance(Only Automotive supports PPAP)	Standard
Efficiency (%)	95
Frequency Typ (Hz)	500
Frequency Typ (kHz)	500
HS RDS(ON) (mΩ)	N/A
HS RDS(ON) (mΩ)	N/A
LS RDS(ON) (mΩ)	N/A
LS RDS(ON) (mΩ)	N/A
MaximumInput Voltage (V)	16
Maximum Input Voltage (V)	4.5
Maximum Output Voltage (V)	6
MinimumInput Voltage (V)	4.5
Minimum Input Voltage (V)	16
Minimum Output Voltage (V)	0.6
Output Current (mA)	2
Output Current (A)	2
Output Voltage (V)	0.6 to 6
Quiescent Current Typ (mA)	0.8
Quiescent Current Typ (µA)	800
Shutdown Current Typ (µA)	1
Shutdown Current Typ (µA)	1
Type	Buck