Diodes AP4310/A - Manual

DUAL OP AMP AND VOLTAGE REFERENCE AP4310/A
1
Jan. 2013 Rev. 1. 8 BCD Semiconductor Manufacturing Limited
Data Sheet
General Description
The AP4310/A is a monolithic IC specifically
designed to regulate the output current and voltage lev-
els of switching battery chargers and power supplies.
The device contains two Op Amps and a 2.5V preci-
sion shunt voltage reference. Op Amp 1 is designed for
voltage control with its non-inverting input internally
connected to the output of the shunt regulator. Op
Amp 2 is for current control with both inputs uncom-
mitted. The IC offers the power converter designer a
control solution that features increased precision with a
corresponding reduction in system complexity and
cost. AP4310A has more strigent reference voltage
tolerance than AP4310.
The AP4310/A is available in standard packages of
DIP-8 and SOIC-8.
Features
Op Amp
· Input Offset Voltage: 0.5mV
· Supply Current: 75 µA per Op Amp at 5.0V Sup-
ply Voltage
· Unity Gain Bandwidth: 1MHz
· Output Voltage Swing: 0 to (V
CC
-1.5) V
· Power Supply Range: 3 to 36V
Voltage Reference
· Fixed Output Voltage Reference: 2.5V
· Reference Voltage Tolerance
AP4310A: ± 0.4%,
AP4310: ± 1%
· Sink Current Capability: 0.05 to 80mA
· Typical Output Impedance: 0.2 Ω
Applications
· Battery Charger
· Switching Power Supply
Figure 1. Package Types of AP4310/A
SOIC-8 DIP-8