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AP1605

Anachip
Part Number AP1605
Manufacturer Anachip
Description PWM/PFM Dual-mode Step-Down Switching Regulator
Published May 12, 2007
Detailed Description AP1605 PWM/PFM Dual-mode Step-Down Switching Regulator „ Features - Low current consumption: In operation: 100µA max. P...
Datasheet PDF File AP1605 PDF File

AP1605
AP1605

Overview
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 - SOP-8L/TSSOP-8L Package.
„ 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 very the duty ratio linearly 0%~0.
25% (PFM) and 25%~100% (PWM).
With the addition of an internal P-channel Power MOS, a coil, capacitors, and a diode connected externally, these ICs can function as step-down switching regulators.
They serve as ideal power supply units for portable devices when coupled...


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