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參數(shù)資料
| 型號： | ISL97801 |
| 廠商： | Intersil Corporation |
| 英文描述： | High Power LED Driver |
| 中文描述： | 高功率LED驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 1/19頁 |
| 文件大?。?/td> | 707K |
| 代理商： | ISL97801 |
1
FN6428.1
ISL97801
High Power LED Driver
The ISL97801 is a high-power LED backlight driver with an
integrated 36V FET designed to drive up to 8 high-power
LEDs in series. The PWM converter runs from an internally
generated 1MHz clock. With efficiencies over 90% the
regulator provides tight control of LED current and may be
configured in either boost or buck topologies, allowing from 3
to 8 series diodes to be driven from wide input voltages.
LED light level may be controlled either by:
1. LED DC bias current set via the LEVEL pin, or
2. External low frequency PWM control via the
ENABLE/PWM pin.
In both control modes optional over temperature thermal
protection of the LED reduces the LED DC bias current
above an adjustable set temperature, protecting the LED
from thermal damage. An optional fault monitor drives an
external FET between the input supply and inductor,
providing short circuit current protection for the LED and
inductor as well as load dump protection for automotive
applications. For low cost applications the pass transistor
may be omitted and the fault pin bypassed.
The ISL97801 is packaged in a 20 Ld 4mm x 4mm QFN
package and is specified for operation over the -40°C to
+105°C temperature range.
Features
Drives 3-8 high-power LEDs in series, up to 32V
2.7V to 16V input voltage range
Boost or Buck configurable switch
3A integrated FET
Automotive load dump protection
Light output temperature compensation
LED over-temperature protection
LED disconnect
PWM/analog light level control
Small, 20 Ld 4mm x 4mm QFN package
Pb-free plus anneal available (RoHS compliant)
Applications
Display backlighting
- Automotive
- LCD monitor
- Notebook displays
LED accent lighting
Automotive lighting
Pinout
ISL97801
(20 LD 4X4 QFN)
TOP VIEW
Ordering Information
PART
NUMBER
(Note)
PART
MARKING
TAPE &
REEL/
QTY
PACKAGE
(Pb-free)
PKG.
DWG. #
ISL97801ARZ
978 01ARZ
-
20 Ld 4x4 QFN L20.4x4C
ISL97801ARZ-TK 978 01ARZ
13”/
1,000
20 Ld 4x4 QFN L20.4x4C
ISL97801ARZ-T
978 01ARZ
13”/
6,000
20 Ld 4x4 QFN L20.4x4C
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.
1
2
3
4
15
14
13
12
6
7
8
9
2
1
1
1
VDC
VHI
OVP
SWD1
B
L
T
F
V
F
G
N
ENL
MODE
EN/PWM
SWS1
THERMAL
PAD
5
SWD2
1
T
11 SWS2
1
Data Sheet
April 2, 2007
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. 2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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PDF描述 |
|---|---|
| ISL97801ARZ | High Power LED Driver |
| ISL97801ARZ-T | High Power LED Driver |
| ISL97801ARZ-TK | High Power LED Driver |
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| ISL9R860P2 | 8A, 600V Stealth Diode(8A，600V Stealth二極管) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL97801ARZ | 功能描述:IC LED DRIVER AUTOMOTIVE 20-QFN RoHS:是 類別: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 類型 - 主要:背光 類型 - 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 |
| ISL97801ARZ-T | 功能描述:IC LED DRIVER AUTOMOTIVE 20-QFN RoHS:是 類別: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 類型 - 主要:背光 類型 - 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 |
| ISL97801ARZ-TK | 功能描述:IC LED DRIVER AUTOMOTIVE 20-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 標(biāo)準(zhǔn)包裝:60 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?線性（LDO），PWM，升壓（升壓） 輸出數(shù):8 內(nèi)部驅(qū)動(dòng)器:是 類型 - 主要:背光 類型 - 次要:RGB，白色 LED 頻率:500kHz ~ 1.5MHz 電源電壓:4.75 V ~ 26 V 輸出電壓:45V 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:* 工作溫度:-40°C ~ 85°C |
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| ISL97900CRZ | 功能描述:LED照明驅(qū)動(dòng)器 High Current RGB Driver/Controller, 28L 4x5 QFN, Commercial RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
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