RT9832 datasheet(1/12 Pages) RICHTEK

номер детали	RT9832

подробное описание детали	PWM Duty Generator with Adjustable Duty Setting

PDF	12 Pages

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производитель	RICHTEK [Richtek Technology Corporation]

домашняя страница	http://www.richtek.com

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RT9832

®

DS9832-00

January 2013

www.richtek.com

1

Copyright

is a registered trademark of Richtek Technology Corporation.

©

PWM Duty Generator with Adjustable Duty Setting

Ordering Information

Note :

Richtek products are :

RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

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

Applications

Cellular Phones

Digital Cameras

Probable Instruments

Pin Configurations

(TOP VIEW)

General Description

The RT9832 is a PWM duty generator with adjustable

duty setting. The PWM frequency is fixed 0.5Hz typically.

The duty cycle can be set by an external resistor between

the RSET and GND pins. When the RSET pin is floating,

the duty cycle is set at 50% typically. An open drain output

is provided and it can be pulled up to a suitable voltage

level with a pull-up resistor.

The device operates over a wide input voltage range from

2.8V to 20V. An active-low enable control pin is used to

reduce shutdown current to 3.5

μA. Input UVLO and thermal

shutdown are provided. The RT9832 is available in the

WL-CSP-6B 0.8x1.2 (BSC) package.

Features

Input Voltage Range : 2.8V to 20V

0.5Hz PWM Frequency

EN Pin with Internal Pull-Low Resistor

Open Drain Output

Adjustable PWM Duty from 1% to 100%

Input Under Voltage Lockout

Thermal Shutdown Protection

Shutdown Current : <3.5

μμμμμA

6-Ball WL-CSP Package

RoHS Compliant and Halogen Free

WL-CSP-6B 0.8x1.2 (BSC)

Marking Information

RT9832

Package Type

WSC : WL-CSP-6B 0.8x1.2 (BSC)

Simplified Application Circuit

0BW

0B : Product Code

W : Date Code

EN

NC

OUT

VCC

RSET

GND

B2

C2

C1

A1

A2

B1

RT9832

GND

VCC

CVIN

EN

OUT

RSET

Rpull-up

PWM

3.3V

VCC

Enable

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