General Description

The AP4310 is a monolithic IC specifically designed to regulate the output current and voltage levels of switching battery chargers and power supplies.

The device contains two OpAmps and a 2.5V preci-sion shunt voltage reference. Op Amp 1 is designed for voltage control with its non-inverting input internally connects to the output of the shunt regulator.

Op Amp2 is for current control with both inputs uncommitted.The IC offers the power converter designer a control solution that features increased precision with a corre-reduction in system complexity and cost.The AP4310 is available in standard packages of DIP-8 and SOIC-8.

Features

Op Amp

·Input Offset Voltage: 0.5mV

·Supply Current: 75μ A 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 36V Voltage Reference

·Fixed Output Voltage Reference: 2.5V

·Voltage Tolerance: ± 0.4%, ± 1%

·Sink Current Capability: 0.05 to 80mA

·Typical Output Impedance: 0.2Ω

Applications

·Battery Charger

·Switching Power Supply

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