参数资料
型号: ISL97801ARZ
厂商: Intersil
文件页数: 18/19页
文件大小: 0K
描述: IC LED DRIVER AUTOMOTIVE 20-QFN
标准包装: 75
拓扑: PWM,降压(降压),升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 车载,背光
频率: 850kHz ~ 1.15MHz
电源电压: 2.7 V ~ 16 V
输出电压: 32V
安装类型: 表面贴装
封装/外壳: 20-VFQFN 裸露焊盘
供应商设备封装: 20-QFN(4x4)
包装: 管件
工作温度: -40°C ~ 105°C
ISL97801
Automotive Applications
The LED load and ISL97801 may be protected against load
dumps and other electrical faults in automotive supplies with
a minor addition to the standard application schematic:
? A reverse transient automotive-rated protection power
schottky must be added in series with the input supply
? A 500 Ω current limit resistor must be inserted in series
with the V BAT pin
? The fault protection NFET must be specified to handle
100V VDS conditions.
Automotive Boost Application Diagram
V BAT
The protection circuit is applicable to buck, boost, and
supply-return load applications.
A small reduction in efficiency is caused by the drop in the
power schottky.
Unless alternative transient protection is provided,
minimum BOM automotive applications must include the
circuit changes noted above.
R LIM
500
TEMP
VIN
FAULT
VBAT
VDC
VHI
SWD1
SWD2
OVP
SENSOR
EN
V LEVEL (0V TO 2.5V)
TEMP
TMAX
EN/PWM
MODE
LEVEL
SWS1
SWS2
ENL
FB
GND
BUCK/BOOSTN
FIGURE 39. AUTOMOTIVE BOOST MODE APPLICATION DIAGRAM
Automotive Minimum BOM Boost Application Diagram
V BAT
VIN
FAULT
VBAT
VDC
TEMP
TMAX
VHI
SWD1
SWD2
OVP
SWS1
SWS2
EN
V LEVEL (0V TO 2.5V)
EN/PWM
MODE
LEVEL
ENL
FB
GND
BUCK/BOOSTN
FIGURE 40. AUTOMOTIVE MINIMUM BOM BOOST MODE APPLICATION
18
FN6428.1
April 2, 2007
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相关代理商/技术参数
参数描述
ISL97801ARZ-T 功能描述:IC LED DRIVER AUTOMOTIVE 20-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 恒定电流:- 恒定电压:- 拓扑:升压(升压),切换式电容器(充电泵) 输出数:1 内部驱动器:是 类型 - 主要:背光 类型 - 次要:白色 LED 频率:625kHz ~ 875kHz 电源电压:2.7 V ~ 5.3 V 输出电压:5V 安装类型:表面贴装 封装/外壳:10-TFSOP,10-MSOP(0.118",3.00mm 宽) 供应商设备封装:10-µMAX 包装:带卷 (TR) 工作温度:-40°C ~ 85°C
ISL97801ARZ-TK 功能描述:IC LED DRIVER AUTOMOTIVE 20-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:60 系列:- 恒定电流:- 恒定电压:- 拓扑:线性(LDO),PWM,升压(升压) 输出数:8 内部驱动器:是 类型 - 主要:背光 类型 - 次要:RGB,白色 LED 频率:500kHz ~ 1.5MHz 电源电压:4.75 V ~ 26 V 输出电压:45V 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* 工作温度:-40°C ~ 85°C
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ISL97900CRZ-T 功能描述:LED照明驱动器 High Current RGB Driver/Controller, 28L 4x5 QFN, Commercial RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N