AN8018SA controller equivalent, 1.8-volt 2-channel step-up/ step-down/ or inverting dc-dc converter controller.
low-voltage operation. This IC can obtain the step-up, step-down and inverting voltages with a small number of external components. The minimum operating voltage is as lo.
* LCD displays, digital still cameras, and PDAs
1
AN8018SA
s Block Diagram
VREF OSC DT1 VCC
Voltage Regulators
9.
Pin No. Symbol 1 OSC Description Pin for oscillation timing resistor and capacitor connection 2 S.C.P. IN+1 IN−1 FB1 DT1 Out1 Pin for connecting the time constant setting capacitor for short-circuit protection 3 Error amplifier 1 block noninverting .
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