RT9261-23CB 查看數據表（PDF） - Richtek Technology

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RT9261-23CB

VFM Step-up DC/DC Converter

Richtek Technology 

RT9261/A

Function Block Diagram

Preliminary

LX

GND

EXT

LXSW

VLX Limiter

Buffer

VFM Control

OSC 100kHz

Vref

_

+

Error Amp.

Chip Enable

VOUT

Notes:

(1) LX Pin .……

(2) EXT Pin ……

(3) CE Pin ……

CE

only for 9261-……CX and 9261-……CB

only for 9261A-……CX and 9261A-……CB

only for 9261-……CB and 9261A-……CB

Pin Description

Pin No.

Pin Name

-xxCX A-xxCX -xxCB A-xxCB

1

1

4

4 GND

2

2

2

2 VOUT

3

--

5

-- LX

--

3

--

5 EXT

--

--

1

1 CE

--

--

3

3 NC

Pin Function

Ground

Output Voltage

Pin for Switching

Drive External Device

Chip Enable (Active High)

No Connected

www.richtek-ic.com.tw

6

DS9261/A-03 January 2002

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