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AP4302

QUAD OP AMP AND VOLTAGE REFERENCE

BCD Semiconductor 

Data Sheet

QUAD OP AMP AND VOLTAGE REFERENCE

General Description

Features

AP4302

The AP4302 is a monolithic IC specifically designed

to regulate the output current and voltage levels of

switching battery chargers and power supplies.

The device contains quad Op Amps and a 2.5V exter-

nally adjusted voltage reference in a 16-pin package.

The four Op Amps feature accurate voltage and current

control. Combining a stable voltage reference with the

four Op Amps makes AP4302 ideal for use in multi-

function charger, power supply voltage monitor, signal

processing and control system.

The IC offers the power converter designer a control

solution that features increased precision with a corre-

sponding reduction in system complexity and cost.

Op Amp

· Input Offset Voltage: 0.5mV

· Supply Current: 250µA per Op Amp at 5.0V Sup-

ply Voltage

· Unity Gain Bandwidth: 1MHz

· Output Voltage Swing: 0 to (VCC-1.5)V

· Power Supply Range: 3 to 18V

Voltage Reference

· Reference Voltage Tolerance: 0.5%, 1%

· Sink Current Capability from 0.1 to 80mA

· Output Dynamic Impedance: 0.2Ω

· Externally Adjusted Voltage Reference: 2.5V

The AP4302 is available in standard packages of DIP-

16 and SOIC-16.

Applications

· Battery Charger

· Switching Power Supply

· Mother Board

SOIC-16

DIP-16

Figure 1. Package Types of AP4302

Jul. 2006 Rev. 1. 2

BCD Semiconductor Manufacturing Limited

1

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