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参数资料
| 型号： | MAX8631YETI+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/15页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WHITE BCKLGT 28-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 75 |
| 恒定电流： | 是 |
| 拓扑： | 线性（LDO），切换式电容器（充电泵） |
| 输出数： | 8 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光，闪灯/白光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 1MHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 输出电压： | 5V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 供应商设备封装： | 28-TQFN-EP（4x4） |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 85°C |
1x/1.5x/2x White LED Charge Pump with Two
LDOs in 4mm x 4mm Thin QFN
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 3.6V, V GND = V PGND = 0V, ENM1 = ENM2 = ENF = IN, R SETM = R SETF = 6.8k Ω , P1 = P2 = unconnected, C REF = 0.01μF,
T A = -40°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
1x to 1.5x or 1.5x to 2x Mode
Transition Threshold
CONDITIONS
MIN
90
TYP
100
MAX
110
UNITS
mV
Input Voltage-Mode Transition
Hysteresis
150
mV
Charge-Pump Maximum OUT
Current
V IN ≥ 3.15V, V OUT = 3.9V
1x mode, (V IN - V OUT ) / I OUT
580
0.3
1.0
mA
Open-Loop OUT Resistance
Charge-Pump Short-Circuit
Current
Switching Frequency
OUT Pulldown Resistance in
Shutdown
1.5x mode, (1.5V IN - V OUT ) / I OUT
2x mode, (2V IN - V OUT ) / I OUT
V OUT < 1.25V
ENM_ = ENF = GND
1.1
1.5
500
1
5
4.0
4.14
Ω
mA
MHz
k Ω
LED DRIVER
SET_ Bias Voltage
T A = +25°C
0.6
V
SET_ Leakage in Shutdown
ENM_ = ENF = GND
T A = +25°C
T A = +85°C
0.01
0.1
1
μA
SET_ Current Range
SETM-to-Main LED Current Ratio
(I M_ /I SETM )
SETF-to-Flash LED Current Ratio
(I F_ /I SETF )
100% setting, M1–M4
100% setting, F1–F4
10
230
690
145
μA
A/A
A/A
M_, F_ Current Accuracy
Maximum Main LED Sink Current
Maximum Flash LED Sink Current
Current-Derating-Function Start
Temperature
Current-Derating-Function Slope
T A = +25°C
T A = -40°C to current derating start temperature
R SETM = 4.6k Ω , for each M_
R SETF = 4.12k Ω , I F1 + I F2 + I F3 + I F4
T A = +40°C to +85°C
-1.25
-4
30
400
+40
-1.7
+1.25
+4
%
mA
mA
°C
%/°C
Dropout Voltage
1.5x and 2x Regulation Voltage
(Note 2)
40
150
90
mV
mV
M_, F_ Leakage in Shutdown
ENM_ = ENF = GND
T A = +25°C
T A = +85°C
0.01
0.1
1
μA
LDO_
Output Voltage Accuracy
Output Current Range
Current Limit
I LDO_ = 150mA, relative to V OUT(NOM) (Note 3)
V LDO_ = 0V
-1.7
0
280
0
475
+1.7
200
750
%
mA
mA
Soft-Start Current Limit
160
mA
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8631YETI+ | 功能描述:电荷泵 1x/1.5x/2x White LED Charge Pump RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| MAX8631YETI+T | 功能描述:LED照明驱动器 1x/1.5x/2x White LED Charge Pump 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 |
| MAX8631YETI+TW | 功能描述:LED照明驱动器 1x/1.5x/2x White LED Charge Pump 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 |
| MAX8631YETI+W | 功能描述:LED照明驱动器 1x/1.5x/2x White LED Charge Pump 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 |
| MAX8632ETI+ | 功能描述:PMIC 解决方案 DDR Power-Supply Solution RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
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