- 您现在的位置：买卖IC网 > PDF目录20777 > ISL97635IRZ-T (Intersil)IC LED DRVR WHT/RGB BCKLGT 24QFN PDF资料下载
参数资料
| 型号： | ISL97635IRZ-T |
| 厂商： | Intersil |
| 文件页数： | 16/28页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WHT/RGB BCKLGT 24QFN |
| 标准包装： | 6,000 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 8 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 车载，背光 |
| 类型 - 次要： | RGB，白色 LED |
| 频率： | 600kHz，1.2MHz |
| 电源电压： | 6 V ~ 24 V |
| 输出电压： | 34.5V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-VFQFN 裸露焊盘 |
| 供应商设备封装： | 24-QFN 裸露焊盘（4x4） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页当前第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页
ISL97635
TABLE 1. PROTECTIONS TABLE
VOUT
CASE
1
FAILURE MODE
CH0 Short Circuit
DETECTION MODE
Upper
FAILED CHANNEL ACTION
CH0 ON and burns power
GOOD CHANNELS ACTION
CH1 through CH7 Normal
REGULATED BY
Highest VF of
Over-Temperature
Protection limit (OTP)
not triggered and VIIN0
< VSC
CH1 through CH7
2
CH0 Short Circuit
Upper OTP triggered but CH0 goes off until chip cooled and
VIN0 < VSC
then comes back on with current
Same as CH0
Highest VF of
CH1 through CH7
reduced to 76%. Further OTP
triggers result in reduction to 53%,
then 30%. Thermal event reported
in Fault/Status Register.
3
CH0 Short Circuit
Upper OTP not triggered CH0 doubled after 6ms time-out.
but VIIN0 > VSC
Time-out reduced to 420μs if above
CH1 through CH7 Normal
Highest VF of
CH1 through CH7
lower OTP limit
4
CH0 Open Circuit
with infinite
Upper OTP not triggered V OUT will ramp to OVP. CH0 will
and VIIN0 < VSC
time-out after 6ms (800μs if above
CH1 through CH7 Normal
Highest VF of
CH1 through CH7
resistance
lower OTP limit) and switch off.
V OUT will drop to normal level.
5
CH0 LED Open
Circuit but has
Upper OTP not triggered CH0 remains ON and has highest
and VIIN0 < VSC
VF, thus V OUT increases
CH1 through CH7 ON, Q1
through Q7 burn power
VF of CH0
paralleled Zener
6
CH0 LED Open
Circuit but has
Upper OTP triggered but CH0 goes off until chip cooled and
VIIN0 < VSC
then comes back on with current
Same as CH0
VF of CH0
paralleled Zener
reduced to 76%. Further OTP
triggers result in reduction to 53%,
then 30%. Thermal event reported
in Fault/Status Register.
7
CH0 LED Open
Circuit but has
paralleled Zener
Upper OTP not triggered CH0 OFF
but VIIN0 > VSC
Upper OTP not triggered CH0 remains ON and has highest
but VIINx > VSC
VF, thus V OUT increases.
CH1 through CH7 Normal
V OUT increases then CH-X
switches OFF. This is an
Highest VF of
CH1 through CH7
VF of CH0
unwanted shut off and can be
prevented by setting OVP and/or
VSC at an appropriate level.
8
Channel-to-Channel Lower OTP triggered but Any channel at below 50% of the target current will fault out after
Highest VF of
Δ VF too high
VIINx < VSC
400μs.
CH0 through CH7
Remaining channels driven with normal current.
9
Channel-to-Channel Upper OTP triggered but All channels switched off until chip cooled and then comes back on
Highest VF of
Δ VF too high
VIINx < VSC
with current reduced to 76%. Further OTP triggers result in reduction
CH0 through CH7
to 53%, then 30%. Thermal event reported in Fault/Status Register.
10
Output LED stack
voltage too high
VOUT > VOVP
Driven with normal current. Any channel that is below 50% of the target Highest VF of
current will time-out after 6ms.
CH0 through CH7
11
VOUT/LX shorted to LX current and timing
Fault switch disabled and system shutdown until fault goes away,
GND
are monitored.
V OUT is checked at start-up with a low current from LX to check for
presence of short before the fault switch is enabled.
OVP pin monitored for
excursions below 20% of
OVP threshold
16
FN6434.2
December 22, 2008
相关PDF资料 |
PDF描述 |
|---|---|
| 1N5817-B | DIODE SCHOTTKY 20V 1A DO-41 |
| TAP227M006CCS | CAP TANT 220UF 6.3V 20% RADIAL |
| TH3A685K016E2000 | CAP TANT 6.8UF 16V 10% 1206 |
| TH3A685K016C2000 | CAP TANT 6.8UF 16V 10% 1206 |
| TH3B225M025E3000 | CAP TANT 2.2UF 25V 20% 1411 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL97635IRZ-TK | 功能描述:IC LED DRVR WHT/RGB BCKLGT 24QFN 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 |
| ISL97636AIRZ | 功能描述:LED照明驱动器 6-CH LED DRVR 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 |
| ISL97636AIRZ-T | 功能描述:IC LED DRIVR WHITE BCKLGT 24-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 |
| ISL97636AIRZ-TK | 功能描述:IC LED DRIVR WHITE BCKLGT 24-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 |
| ISL97636IRZ | 功能描述:IC LED DRIVR WHITE BCKLGT 24-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极，PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
发布紧急采购，3分钟左右您将得到回复。