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参数资料
| 型号： | ISL97691IRTZ |
| 厂商： | Intersil |
| 文件页数： | 6/19页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR BACKLIGHT 3D 16TQFN |
| 标准包装： | 100 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 4 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 频率： | 400kHz ~ 1.5MHz |
| 电源电压： | 2.4 V ~ 5.5 V |
| 输出电压： | 26V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN（3x3） |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 85°C |
ISL97691
Electrical Specifications All specifications below are characterized at T A = -40°C to +85°C; V IN = 3.3V, PWMI_1 = 3.3V, R ISET = 26.7k ? ,
unless otherwise noted. Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)
MIN
MAX
PARAMETER
D MIN
DESCRIPTION
Boost Minimum Duty Cycle
CONDITION
FSW = 400kHz
(Note 9)
TYP
(Note 9)
11
UNIT
%
FSW = 1.5MHz
15
%
f SW
Boost Switching Frequency
R FSW = 216k ?
360
400
440
kHz
R FSW = 72.1k ?
1.2
MHz
R FSW = 57.7k ?
1.35
1.5
1.65
MHz
ILX_leakage
LX Leakage Current
LX = 26V
10
μA
REFERENCE
I MATCH
Channel-to-Channel DC Current Matching I LED = 20mA
-2.5
+2.5
%
I ACC
Current Accuracy
I LED = 20mA
-3
+3
%
FAULT DETECTION
V SC
V temp
V OVPlo
OVP fault
Channel Short Circuit Threshold
Over-Temperature Threshold
Overvoltage Limit on OVP Pin
OVP Short Detection Fault Level
6.75
1.18
8
150
1.22
70
9.25
1.245
V
°C
V
mV
CHANNEL CURRENT SINKS
V headroom
I LED(max)
Dominant Channel Current Sink
Headroom at CH Pin
Maximum LED Current per Channel
Maximum Total LED Current For All
Strings Limited to 120mA
Maximum Total LED Current For All
Strings Limited to 110mA
I LED = 20mA
T A = +25°C
2.7V ≤ V IN ≤ 5.5V, V OUT = 21V,
30% of T FRAME , T A ≤ +70°C
2.7V ≤ V IN ≤ 5.5V, V OUT = 21V,
30% of T FRAME , T A ≤ +70°C
2.7V ≤ V IN ≤ 5.5V, V OUT = 24.5V,
31.25% of T FRAME , T A ≤ +70°C
60
60
60
300
mV
mA
mA
mA
1-WIRE INTERFACE
t LOGIC1
t LOGIC1_WAKE
t LOGIC0
t LOGIC0_WAKE
t LOAD
t HI
Timing Range for Logic 1
Timing Range for Logic 1 for First Bit
Transmission During Shutdown
Timing Range for Logic 0
Timing Range for Logic 0 for First Bit
Transmission During Shutdown
Timing Range for Load
Valid 1-Wire_1 or 1-Wire_2 High Time
Device in normal operation
Device in autoshutdown
Device in normal operation
Device in autoshutdown
Device in normal operation
Device in normal operation
15
25
90
100
218
3
45
45
120
120
μs
μs
μs
μs
μs
μs
PWM GENERATOR
V IL
V IH
PWM Input Low Voltage
PWM Input High Voltage
1.5
0.5
V
V
F PWMI
PWMI Input Frequency Range (1/t PWM )
100
30,000
Hz
6
FN7840.1
February 1, 2013
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| ISL97691IRTZ-T | 功能描述:IC LED DRVR BACKLIGHT 3D 16TQFN 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 |
| ISL97691IRTZ-TK | 功能描述:IC LED DRVR BACKLIGHT 3D 16TQFN 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 |
| ISL97692IIZ-T | 制造商:Intersil Corporation 功能描述:4 CH W/12-BIT PWM DIMMING SINGLE CELL LI-ION BATTERY POWERED - Tape and Reel |
| ISL97692IRTZ | 制造商:Intersil Corporation 功能描述:4 CH W/12-BIT PWM DIMMING SINGLE CELL LI-ION BATTERY POWERED - Rail/Tube 制造商:Intersil Corporation 功能描述:IC LED DRVR BACKLIGHT 16TQFN 制造商:Intersil 功能描述:4CH w/12Bit PWM Dim Li-ION LED Driver |
| ISL97692IRTZ-T | 制造商:Intersil Corporation 功能描述:4 CH W/12-BIT PWM DIMMING SINGLE CELL LI-ION BATTERY POWERED - Tape and Reel 制造商:Intersil 功能描述:4CH w/12Bit Dimming Li-Ion LED Driver |
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