RT9266BPE RICHTEK [Richtek Technology Corporation], RT9266BPE Datasheet

RT9266BPE

Manufacturer Part Number

RT9266BPE

Description

Tiny Package, High Efficiency, Step-Up DC/DC Converter

Manufacturer

RICHTEK [Richtek Technology Corporation]

Datasheet

1.RT9266BPE.pdf (13 pages)

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Tiny Package, High Efficiency, Step-Up DC/DC Converter

General Description

The RT9266B is a compact, high efficiency, and low

voltage step-up DC/DC converter with an Adaptive

Current Mode PWM control loop, includes an error

amplifier, ramp generator, comparator, switch pass

element and driver in which providing a stable and high

efficient operation over a wide range of load currents. It

operates in stable waveforms without external

compensation.

The low start-up input voltage below 1V makes RT9266B

suitable for 1 to 4 battery cells applications with a 500mA

internal switch. The 550kHz high switching rate minimized

the size of external components. Besides, the 25μA low

quiescent current together with high efficiency maintains

long battery lifetime.

Ordering Information

Note :

RichTek Pb-free and Green products are :

Marking Information

For marking information, contact our sales representative

directly or through a RichTek distributor located in your

area, otherwise visit our website for detail.

DS9266B-09 March 2007

RT9266B

RoHS compliant and compatible with the current require-

Suitable for use in SnPb or Pb-free soldering processes.

100% matte tin (Sn) plating.

ments of IPC/JEDEC J-STD-020.

Package Type

E : SOT-23-6

Operating Temperature Range

P : Pb Free with Commercial Standard

G : Green (Halogen Free with Commer-

cial Standard)

Features

Applications

Pin Configurations

Note : There is no pin1 indicator on top mark for SOT-23-6

type, and pin 1 will be lower left pin when reading top mark

from left to right.

1.0V Low Start-up Input Voltage at 1mA Load

25μ μ μ μ μ A Quiescent (Switch-off) Supply Current

Zero Shutdown Mode Supply Current

90% Efficiency

550kHz Switching Frequency at 3.3V V

Providing Flexibility for Using Internal and External

Power Switches

Small

RoHS Compliant and 100% Lead (Pb)-Free

PDA

DSC

LCD Panel

RF-Tags

MP3

Portable Instrument

Wireless Equipment

SOT-23-6

Package

(TOP VIEW)

SOT-23-6

VDD

EXT GND

RT9266B

www.richtek.com

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