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参数资料
| 型号： | MAX1916EZT+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/7页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR WHITE BCKLGT 6TSOT |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 恒定电流： | 是 |
| 拓扑： | 线性（LDO） |
| 输出数： | 3 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 电源电压： | 2.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 细型，TSOT-23-6 |
| 供应商设备封装： | TSOT-23-6 |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 其它名称： | MAX1916EZT+TDKR |
Low-Dropout, Constant-Current
Triple White LED Bias Supply
ABSOLUTE MAXIMUM RATINGS
EN, SET, LED1, LED2, LED3 to GND ..................... -0.3V to +6V
Continuous Power Dissipation (T A = +70 ° C)
6-Pin Thin SOT23 (derate 9.1mW/ ° C above +70 ° C) ... 727mW
Operating Temperature Range ......................... -40 ° C to +85 ° C
Storage Temperature Range ........................... -65 ° C to +150 ° C
Lead Temperature (soldering, 10s)................................... 300 ° C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V EN = 3.3V, V LED1 = V LED2 = V LED3 = 1V, T A = -40 ° C to +85 ° C, unless otherwise noted. Typical values are at T A = +25 ° C.) (Note 1)
PARAMETER
Operating Voltage Range
Undervoltage Lockout
Threshold
SET Input Current Range
SET to LED_ Current Ratio
SET Bias Voltage
SET Leakage Current
in Shutdown
LED_-to-LED_ Current Matching
Maximum LED_ Sink Current
SYMBOL
V EN
V UVLO
I SET
V SET
I LED _
CONDITIONS
EN is the power-supply input
V EN rising
Hysteresis
I LED /I SET , I SET = 42 μ A
I SET = 42 μ A
T A = -40 ° C to +25 ° C
EN = GND,
T A = -40 ° C to +85 ° C
V SET = 3.3V
I SET = 42 μ A
Each LED_
MIN
2.5
2.2
5
207
1.154
60
TYP
85
230
1.215
0.01
0.3
MAX
5.5
2.47
260
253
1.276
1
5
5
UNITS
V
V
mV
μ A
A/A
V
μ A
%
mA
I SET = 22 μ A (Note 2)
100
180
LED_ Dropout Voltage
I SET = 42 μ A (Note 3)
I SET = 84 μ A (Note 3)
200
230
360
410
mV
LED_ Leakage Current
in Shutdown
V LED1 = V LED2 =
V LED3 = 5.5V, EN =
GND, each LED_
T A = +25 ° C
0.01
1
μ A
Input High Voltage
Input Low Voltage
EN Input Bias Current
V IH
V IL
I EN
V EN > V IH for enable
V EN < V IL for disable
V EN = 2.5V to 5.5V, EN is the power-supply
input
T A = +25 ° C
V EN = 0.4V
2.5
40
0.05
2.2
100
1
V
μ A
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
170
10
° C
° C
Note 1: Limits are 100% production tested at T A = +25 ° C. Limits over the operating temperature range are guaranteed through
correlation using statistical quality control (SQC) methods.
Note 2: Dropout Voltage is defined as the LED_ to GND voltage at which current sink into LED_ drops 20% from the value at
V LED = 1V.
Note 3: Dropout Voltage is defined as the LED_ to GND voltage at which current sink into LED_ drops 10% from the value at
V LED = 1V.
2
_______________________________________________________________________________________
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