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参数资料
| 型号： | MAX8790AETP+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/23页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WHITE BCKLGT 20-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 6 |
| 内部驱动器： | 无 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 1MHz |
| 电源电压： | 4.5 V ~ 5.5 V，5.5 V ~ 26 V |
| 输出电压： | 5V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-WFQFN 裸露焊盘 |
| 供应商设备封装： | 20-TQFN-EP |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
Six-String White LED Driver with Active
Current Balancing for LCD Panel Applications
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1. V IN = 12V, V SHDN = V IN , CCV = 0.1μF, T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT LEAKAGE
SHDN Leakage Current
SHDN = 26V
+42
μA
CS Leakage Current
OSC Leakage Current
BRT, ENA Leakage Current
FSET, ISET Leakage Current
OV Leakage Current
V CS = GND
FSET = ISET = V CC
-3
-1
-1
-0.1
+40
+50
+3
+1
+1
+0.1
μA
μA
μA
μA
μA
LED CURRENT
ISET = V CC , BRT = 100%
19.40
20.00
20.60
Full-Scale FB_ Output Current
R ISET = 80k
R ISET = 133k
to GND, BRT = 100%
to GND, BRT = 100%
24.25
14.40
25.00
15.00
25.75
15.60
mA
ISET High-Level Threshold
Default setting for 20mA full-scale LED current
V CC -
0.4
V
ISET Voltage
1.12
1.19
1.26
V
20% Output Current
Current Regulation Between
Strings
Minimum FB_ Regulation
Voltage
Maximum FB_ Ripple
FB_ On-Resistance
FB_ Leakage Current
ISET = V CC , BRT = 20%
ISET = V CC , BRT = 100%
ISET = V CC , BRT = 20%
R ISET = 80k to GND, BRT = 100%
ISET = V CC , BRT = 100%
ISET = V CC , 12.5%
ISET = V CC , C OUT = 1μF, OSC = V CC (Note 1)
V FB_ = 50mV
SHDN = GND, V FB_ = 26V
SHDN = V IN , BRT = GND, V FB_ = 15V
3.84
-1.5
-2.0
300
270
150
4.00
500
450
275
120
13
10
4.16
+1.5
+2.0
800
720
500
200
20
1
28
mA
%
%
mV
mV P-P
μA
BRT Input Frequency
Minimum BRT Duty Cycle
PLL active
100
12.5
500
Hz
%
FAULT PROTECTION
OV Threshold Voltage
FB_ Overvoltage Threshold
1.16
V CC +
0.20
1.23
V CC +
0.6
1.30
V CC +
1.45
V
V
FAULT Shutdown Timer
Thermal-Shutdown Threshold
V FB_ > 5.6V (typ)
(Note 1)
50
65
170
80
ms
°C
PHASE-LOCKED LOOP
FSET High-Level Threshold
PLL disabled
V CC -
0.4
V
BRT Frequency Capture Range
R FSET = 500k
R FSET = 250k
150
300
200
400
250
500
Hz
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相关代理商/技术参数 |
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| MAX8790AEVKIT+ | 功能描述:LED 照明开发工具 MAX8790A Eval Kit RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: |
| MAX8790ETP+ | 功能描述:LED照明驱动器 Six-String White LED Driver 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 |
| MAX8790ETP+T | 功能描述:LED照明驱动器 Six-String White LED Driver 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 |
| MAX8790EVKIT+ | 功能描述:LED 照明开发工具 RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: |
| MAX8791AGTA+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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