SC46166S datasheet(1/10 Pages) SILAN

tên linh kiện	SC46166S

Giải thích chi tiết về linh kiện	300mA ,500KHZ HIGH EFFICIENCY STEP-UP DC/DC CONVERTER

PDF	10 Pages

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nhà sản xuất	SILAN [Silan Microelectronics Joint-stock]

Trang chủ	http://www.silan.com.cn

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SC46166

300mA ,500KHZ HIGH EFFICIENCY STEP-UP DC/DC CONVERTER

SOT-89-5

SOT-23-6

DESCRIPTION

The SC46166 is a compact, high efficiency, and low voltage

step-up DC/DC converter, includes an error amplifier, ramp

generator, current comparator, slope compensation, current sense

and driver. Peak current mode PWM control with internal

compensation reduces external parts count and provides a stable

and high efficient operation over a wide range of load currents.

The low start-up input voltage below 0.85V makes SC46166

suitable for 1 to 4 battery cells applications. A high switching

frequency of 500kHz minimizes overall solution footprint by allowing

the use of tiny, low profile inductors and ceramic capacitors. The

SC46166 shifts automatically to Power Saving Mode operation at

light loads, the 20uA low quiescent current together with high

efficiency maintains long battery lifetime. The device also features

low shutdown current of under 1

μA.

FEATURES

* 0.85V Low Start-up Input Voltage

* High Supply Capability to Deliver 3.3V 100mA with 1 Alkaline

Cell

* Automatic Power Saving Mode Operation with 20μA Quiescent

Supply Current

* Up to 90% Efficiency

* Output Range: 2.5V to 6V

* Shutdown Mode Supply Current : <1uA

* 500kHz Fixed Switching Frequency

* Over Temperature Protection

* 4KV HBM ESD

* Small SOT-23-6 & SOT-89-5 Package

APPLICATIONS

* MP3 Players

* Digital Cameras

* PDA

* LCD Bias Supplies

* Portable Instrument

* Wireless Equipment

ORDERING INFORMATION

Package

Seal

Device

SC46166

SOT-23-6

46166

SC46166S

SOT-89-5

46166S

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

REV:1.2

2008.07.04

Http://www.silan.com.cn

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Số phần tương tự - SC46166S

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