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AP1605 - PWM/PFM DUAL-MODE STEP-DOWN SWITCHING REGULATOR

General Description

AP1605 consists of CMOS step-down switching regulator with PWM/PFM dual mode control.

These devices include a reference voltage source, oscillation circuit, error amplifier, internal PMOS and etc.

AP1605 provides low-ripple power, high efficiency, and excellent transient characteristics.

Key Features

  • Low current consumption: In operation: 100µA max. Power off: 2µA max. Input voltage: 2.5V to 7V Adjustable version (+2.5%) PWM/PFM dual Mode Oscillation frequency: 300KHz (Typ. ) With a power-off function. Built-in internal SW P-channel MOS Lead Free and Green Package: SOP-8L Lead Free Finish/RoHS Compliant (Note 1) General.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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AP1605 PWM/PFM DUAL-MODE STEP-DOWN SWITCHING REGULATOR Features • • • • • • • • Low current consumption: In operation: 100µA max. Power off: 2µA max. Input voltage: 2.5V to 7V Adjustable version (+2.5%) PWM/PFM dual Mode Oscillation frequency: 300KHz (Typ.) With a power-off function. Built-in internal SW P-channel MOS Lead Free and Green Package: SOP-8L Lead Free Finish/RoHS Compliant (Note 1) General Description AP1605 consists of CMOS step-down switching regulator with PWM/PFM dual mode control. These devices include a reference voltage source, oscillation circuit, error amplifier, internal PMOS and etc. AP1605 provides low-ripple power, high efficiency, and excellent transient characteristics. The PWM/PFM control circuit is able to vary the duty ratio linearly 0%~0.