Datasheet > ISL97632_10

ISL97632_10

更新时间： 2024-09-26 11:53:59

品牌	Logo	应用领域
英特矽尔 - INTERSIL		驱动器
页数	文件大小	规格书
9页	170K
描述
LED Driver with 1-Wire Dimming

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ISL97632_10 数据手册

ISL97632

Data Sheet

March 22, 2010

FN9239.3

LED Driver with 1-Wire Dimming

Features

The ISL97632 represents an efficient and highly integrated

PWM boost LED driver that is suitable for 1.8” to 3.5” LCDs

that employ 2 to 7 white LEDs for backlighting. With

integrated Schottky diode, OVP, and dynamic digital

dimming capability, the ISL97632 provides a simple, reliable,

and flexible solution to the backlight designers.

• 1-Wire 5-Bit Digital Dimming

• Drives Up to 7 LEDs in Series (3.5V/20mA type)

• OVP (14V, 18V and 26V for 3, 4, and 7 LEDs applications)

• Integrated Schottky Diode

• 2.4V to 5.5V input

• 86% Efficiency

The ISL97632 features a simple 1-Wire digital interface that

provides a 5-bit dimming control. The dimming signal adjusts

the FB voltage and therefore the LED brightness in a DC

manner in 32 linear steps. An EN pin can be used to provide

a zero brightness setting or shutdown power saving function.

• 1.4MHz Switching Frequency Allows Small LC

• Enable for Shutdown Function or Zero Brightness Setting

• 1µA Shutdown Current

• Internally Compensated

The ISL97632 is available in the 8 Ld TDFN (2mmx3mm)

package. There are 14V, 18V, and 26V OVP options that are

suitable for 3, 4, and 7 LEDs (3.5V/20mA type) backlight

applications respectively. The ISL97632 is specified for

operation over the -40°C to +85°C ambient temperature at

input voltage from 2.4V to 5.5V.

• 8 Ld TDFN (2mmx3mm)

• Pb-Free (RoHS Compliant)

Applications

• LED backlighting for

- Cell phones

Pinout

- Smartphones

- MP3

ISL97632

(8 LD 2x3 TDFN)

TOP VIEW

- PMP

- Automotive Navigation Panel

- Portable GPS

GND

VIN

VOUT

FBSW

Ordering Information

TEMP

RANGE Tape and Reel DWG.

(°C) (Pb-Free) NO.

PACKAGE

PKG.

SDIN

PART NUMBER

(Note)

PART

MARKING

ISL97632IRT14ZT* ELB

ISL97632IRT14ZTK* ELB

ISL97632IRT18ZT* ELC

ISL97632IRT18ZTK* ELC

ISL97632IRT26ZT* ELD

ISL97632IRT26ZTK* ELD

-40 to +85 8 Ld 2x3 TDFN L8.2x3A

Typical Application Circuit

10µH OR 22µH

VIN

VOUT

* Please refer to TB347 for details on reel specifications.

SDIN

NOTE: These Intersil Pb-free plastic packaged products employ special

Pb-free material sets, molding compounds/die attach materials, and

100% matte tin plate plus anneal (e3 termination finish, which is RoHS

compliant and compatible with both SnPb and Pb-free soldering

operations). Intersil Pb-free products are MSL classified at Pb-free peak

reflow temperatures that meet or exceed the Pb-free requirements of

IPC/JEDEC J STD-020.

FBSW

GND

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

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与ISL97632_10相关器件

型号	品牌	获取价格	描述	数据表
ISL97632IRT14ZT	INTERSIL	获取价格	LED Driver with 1-Wire Dimming
ISL97632IRT14Z-T	INTERSIL	获取价格	White LED Driver with Digital Dimming
ISL97632IRT14ZTK	INTERSIL	获取价格	LED Driver with 1-Wire Dimming
ISL97632IRT14Z-TK	INTERSIL	获取价格	White LED Driver with Digital Dimming
ISL97632IRT18ZT	INTERSIL	获取价格	LED Driver with 1-Wire Dimming
ISL97632IRT18Z-T	INTERSIL	获取价格	White LED Driver with Digital Dimming
ISL97632IRT18ZTK	INTERSIL	获取价格	LED Driver with 1-Wire Dimming
ISL97632IRT18Z-TK	INTERSIL	获取价格	White LED Driver with Digital Dimming
ISL97632IRT26ZT	INTERSIL	获取价格	LED Driver with 1-Wire Dimming
ISL97632IRT26Z-T	INTERSIL	获取价格	White LED Driver with Digital Dimming

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