Dual Op AMP and Voltage Reference HM4310, Designed to Regulate the Output Current and Voltage Levels of Switching Battery Chargers and Power Supplies
HONGMAO SEMICON HM4310 Dual op AMP and voltage reference 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 Op Amps and a 2.5V precision 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 uncommitted. The IC offers the power converter designer a control solution that features increased precision with a corresponding reduction in system complexity and cost.
FEATURES
● Op Amp
Input Offset Voltage: 0.5mV
Supply Current: 75μA per Op Amp at 5.0V Supply Voltage
Unity Gain Bandwidth: 1MHz
Output Voltage Swing: 0 to VCC~1.5V
Power Supply Range: 3 to 36V
● Voltage Reference
Fixed Output Voltage Reference: 2.5V
Reference Voltage Tolerance HM4310±0.4%,
Sink Current Capability: 0.05 to 80mA
Typical Output Impedance: 0.2Ω
APPLICATIONS
Battery Charger
Switching Power Supply
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
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