Datasheet > ISL97634IRT14Z-T

ISL97634IRT14Z-T

更新时间： 2024-11-14 03:44:35

品牌	Logo	应用领域
英特矽尔 - INTERSIL		驱动器接口集成电路
页数	文件大小	规格书
10页	472K
描述
White LED Driver with Wide PWM Dimming Range

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ISL97634IRT14Z-T 数据手册

ISL97634

Data Sheet

April 10, 2007

FN6264.2

White LED Driver with Wide PWM

Dimming Range

Features

• Drives Up to 6 LEDs in Series

The ISL97634 represents an efficient and highly integrated

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

that employ 2 to 6 white LEDs for backlighting. With

integrated Schottky diode, OVP, and wide range of PWM

dimming capability, the ISL97634 provides a simple, reliable,

and flexible solution to the backlight designers.

• OVP (14V, 18V, and 26V for 3, 4 and 6 LEDs Applications)

• PWM Dimming Control From DC to 32kHz

• Output Disconnect Switch

• Integrated Schottky Diode

• 2.4V to 5.5V Input

The ISL97634 features a wide range of PWM dimming

control capability. It allows dimming frequency as low as DC

to 32kHz beyond audible spectrum. The ISL97634 also

features a feedback disconnect switch to prevent the output

from being modulated by the PWM dimming signal that

minimizes system disturbance.

• 85% Efficiency

• 1.4MHz Switching Frequency Allows Small LC

• 1µA Shutdown Current

• Internally Compensated

The ISL97634 is available in the 8 Ld TDFN (2mmx3mm)

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

suitable for 3 LEDS, 4 LEDs, and 6 LEDs backlight

applications respectively. The ISL97634 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 Plus Anneal Available (RoHS Compliant)

Applications

• LED Backlighting for:

- Cell phones

Pinout

- Smartphones

- MP3

ISL97634

(8 LD TDFN)

TOP VIEW

- PMP

- Automotive Navigation Panel

- Portable GPS

GND

VIN

PWM/EN

VOUT

FBSW

Ordering Information

PART

NUMBER

(Note)

TAPE &

REEL

MARKING (QTY)

PART

PACKAGE

(Pb-free)

PKG.

DWG. #

ISL97634IRT14Z-T ELE

ISL97634IRT14Z-TK ELE

ISL97634IRT18Z-T ELF

ISL97634IRT18Z-TK ELF

ISL97634IRT26Z-T ELG

ISL97634IRT26Z-TK ELG

13”

(6k pcs.)

8 Ld 2x3 TDFN L8.2x3A

Typical Application Circuit

13”

(1k pcs.)

10µH or 22µH

VIN

13”

(6k pcs.)

VIN

13”

(1k pcs.)

PWM/EN

VOUT

13”

(6k pcs.)

FBSW

13”

(1k pcs.)

GND

NOTE: Intersil Pb-free plus anneal products employ special Pb-free

material sets; molding compounds/die attach materials and 100% matte

tin plate termination finish, which are 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.

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.

12 3 4 5 6 7...10

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ISL97634IRT14Z-T 替代型号

型号	品牌	替代类型	描述	数据表
ISL97634IRT14Z-TK	INTERSIL	完全替代	White LED Driver with Wide PWM Dimming Range
ISL97632IRT14Z-T	INTERSIL	完全替代	White LED Driver with Digital Dimming

与ISL97634IRT14Z-T相关器件

型号	品牌	获取价格	描述	数据表
ISL97634IRT14Z-TK	INTERSIL	获取价格	White LED Driver with Wide PWM Dimming Range
ISL97634IRT18Z-T	INTERSIL	获取价格	White LED Driver with Wide PWM Dimming Range
ISL97634IRT18Z-TK	INTERSIL	获取价格	White LED Driver with Wide PWM Dimming Range
ISL97634IRT26Z	RENESAS	获取价格	LED Driver, 7-Segment, PDSO8
ISL97634IRT26Z-T	INTERSIL	获取价格	White LED Driver with Wide PWM Dimming Range
ISL97634IRT26Z-TK	INTERSIL	获取价格	White LED Driver with Wide PWM Dimming Range
ISL97635	INTERSIL	获取价格	SMBus 8-Channel LED Driver
ISL97635A	INTERSIL	获取价格	SMBus 6-Channel LED Driver
ISL97635AIRZ	INTERSIL	获取价格	SMBus 6-Channel LED Driver
ISL97635AIRZ-TK	INTERSIL	获取价格	SMBus 6-Channel LED Driver

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