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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. AP1234 has more stringent reference voltage tolerance and offset.
Input Offset Voltage: 0.5mV
Supply Current: 75µA per OP Amp at 5.0V Supply Voltage