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參數(shù)資料
| 型號(hào)： | ISL97632 |
| 廠(chǎng)商： | Intersil Corporation |
| 元件分類(lèi)： | LED驅(qū)動(dòng)器 |
| 英文描述： | White LED Driver with Digital Dimming(白色LED驅(qū)動(dòng)器) |
| 中文描述： | 白光LED與數(shù)字調(diào)光（白色發(fā)光二極管驅(qū)動(dòng)器驅(qū)動(dòng)程序） |
| 文件頁(yè)數(shù)： | 1/9頁(yè) |
| 文件大小： | 175K |
| 代理商： | ISL97632 |
1
FN9239.2
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.
Copyright Intersil Americas Inc. 2006-2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
ISL97632
White LED Driver with Digital Dimming
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 6 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.
The ISL97632 features a simple single-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.
The ISL97632 is available in the 8 Ld DFN (2mmx3mm)
package. There are 14V, 18V, and 26V OVP options that are
suitable for 3, 4, and 6 LEDs 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.
Pinout
ISL97632
(8 LD 2x3 TDFN)
TOP VIEW
Typical Application Circuit
Features
5-Bit Digital Dimming Control
Drives up to 6 LEDs in Series
OVP (14V, 18V and 26V for 3, 4, and 6 LEDs applications)
Integrated Schottky Diode
2.4V to 5.5V input
86% Efficiency
1.4MHz Switching Frequency Allows Small LC
Enable for Shutdown Function or Zero Brightness Setting
1μA Shutdown Current
Internally Compensated
8 Ld DFN (2mmx3mm)
Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
LED backlighting for
- Cell phones
- Smartphones
- MP3
- PMP
- Automotive Navigation Panel
- Portable GPS
2
3
4
1
7
6
5
8
GND
VIN
EN
SDIN
LX
VOUT
FBSW
FB
VIN
LX
FBSW
GND
VIN
EN
FB
VOUT
SDIN
10μH or 22μH
Ordering Information
PART NUMBER
(Note)
PART
MARKING
TAPE &
REEL
(QTY)
PACKAGE
(Pb-Free)
PKG.
DWG.#
ISL97632IRT14Z-T
ELB
13”
(6k pcs.)
8 Ld 2x3 TDFN L8.2x3A
ISL97632IRT14Z-TK ELB
13”
(1k pcs.)
8 Ld 2x3 TDFN L8.2x3A
ISL97632IRT18Z-T
ELC
13”
(6k pcs.)
8 Ld 2x3 TDFN L8.2x3A
ISL97632IRT18Z-TK ELC
13”
(1k pcs.)
8 Ld 2x3 TDFN L8.2x3A
ISL97632IRT26Z-T
ELD
13”
(6k pcs.)
8 Ld 2x3 TDFN L8.2x3A
ISL97632IRT26Z-TK ELD
13”
(1k pcs.)
8 Ld 2x3 TDFN L8.2x3A
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.
Data Sheet
April 10, 2007
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL97632IRT14Z | 制造商:Intersil 功能描述:LED Driver with 1-Wire Dimming(3 LED) |
| ISL97632IRT14Z-T | 功能描述:IC LED DRIVR WHITE BCKLGT 8-TDFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?升壓（升壓），切換式電容器（充電泵） 輸出數(shù):1 內(nèi)部驅(qū)動(dòng)器:是 類(lèi)型 - 主要:背光 類(lèi)型 - 次要:白色 LED 頻率:625kHz ~ 875kHz 電源電壓:2.7 V ~ 5.3 V 輸出電壓:5V 安裝類(lèi)型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-µMAX 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C |
| ISL97632IRT14Z-TK | 功能描述:IC LED DRIVR WHITE BCKLGT 8-TDFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?升壓（升壓），切換式電容器（充電泵） 輸出數(shù):1 內(nèi)部驅(qū)動(dòng)器:是 類(lèi)型 - 主要:背光 類(lèi)型 - 次要:白色 LED 頻率:625kHz ~ 875kHz 電源電壓:2.7 V ~ 5.3 V 輸出電壓:5V 安裝類(lèi)型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-µMAX 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C |
| ISL97632IRT18Z | 制造商:Intersil 功能描述:LED Driver with 1-Wire Dimming(4 LED) |
| ISL97632IRT18Z-T | 功能描述:IC LED DRIVR WHITE BCKLGT 8-TDFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?升壓（升壓），切換式電容器（充電泵） 輸出數(shù):1 內(nèi)部驅(qū)動(dòng)器:是 類(lèi)型 - 主要:背光 類(lèi)型 - 次要:白色 LED 頻率:625kHz ~ 875kHz 電源電壓:2.7 V ~ 5.3 V 輸出電壓:5V 安裝類(lèi)型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-µMAX 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C |
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