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AP1604A - PWM/PFM DUAL MODE STEP-DOWN DC/DC CONVERTER

General Description

Input voltage range: 2.2V~5.5V (VOUT type) Oscillator frequency: 600KHz (Typ.) Internal reference: 1.0V (Typ.) High efficiency: 93% (Typ.)

Stand-by capability: ISTB=2µA.

Soft-start time set-up externally type possible Curr

Key Features

  • AP1604A PWM/PFM DUAL MODE STEP-DOWN DC/DC.

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Features AP1604A PWM/PFM DUAL MODE STEP-DOWN DC/DC CONVERTER General Description • Input voltage range: 2.2V~5.5V (VOUT type) • Oscillator frequency: 600KHz (Typ.) • Internal reference: 1.0V (Typ.) • High efficiency: 93% (Typ.) • Stand-by capability: ISTB=2µA. (Typ.) • Soft-start time set-up externally type possible • Current limit and thermal shutdown protection • Lead Free Package: SOT25 • SOT25: Available in “Green” Molding Compound (No Br, Sb) • Lead Free Finish/ RoHS Compliant (Note 1) The AP1604A series are multi-functional step-down DC/DC converters with built-in speed, low ON resistance drivers. It is capable to deliver more than 800mA output current with external coil, diode and capacitor. Output voltage is set-up by the external resistors. (±2.5% accuracy).