AP22652/AP22653/AP22652A/AP22653ATypical Applications Circuit (Note 4) FAULTEN/EN Note: 4. 120µF output capacitance is a requirement of USB. Available OptionsEnable PinRecommended MaximumCurrent-LimitPart NumberChannelPackage(EN/EN)Continuous Load Current (A)Protection AP22652 1 Active Low W-DFN2020-6 (Type A1) AP22653 1 Active High W-DFN2020-6 (Type A1) Constant-Current AP22652 1 Active Low SOT26 (Type A1) AP22653 1 Active High SOT26 (Type A1) 2.1 AP22652A 1 Active Low W-DFN2020-6 (Type A1) AP22653A 1 Active High W-DFN2020-6 (Type A1) Latch-Off AP22652A 1 Active Low SOT26 (Type A1) AP22653A 1 Active High SOT26 (Type A1) Pin DescriptionsPin NumberPinAP22653W6-7AP22652FDZ-7AP22653FDZ-7 I/OFunctionAP22652W6-7Name AP22652AW6-7 AP22653AW6-7 AP22652AFDZ-7 AP22653AFDZ-7 Input, connect a 0.1µF or greater ceramic capacitor IN 1 1 6 6 I from IN to GND as close to IC as possible. GND 2 2 5 5 — Ground, connect to external exposed pad. EN 3 — 4 — I Enable input, logic low turns on power switch. EN — 3 — 4 I Enable input, logic high turns on power switch. Active-low open-drain output, asserted during over- FAULT 4 4 3 3 O current, over-temperature, or reverse-voltage conditions. Use external resistor to set current-limit threshold; ILIM 5 5 2 2 O recommended 10kΩ ≦ RLIM ≦ 210kΩ Voltage Output Pin, connect a 0.1μF bypass capacitor OUT 6 6 1 1 O and a high-value capacitor to GND, close to IC. (At least 10μF in USB application.) Internal connection to GND; Connect to GND externally Exposed — — Pad Pad — for improved power dissipation. It should not be used Pad as electrical ground conduction path.