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参数资料
| 型号： | MAX16823ATE/V+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER HIGH BRIGHT 16WQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 恒定电流： | 是 |
| 拓扑： | 线性（LDO），开路漏极，PWM |
| 输出数： | 3 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 车载 |
| 类型 - 次要： | 高亮度 LED（HBLED），RGB |
| 电源电压： | 5.5 V ~ 40 V |
| 输出电压： | 3.41V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（5x5） |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 125°C |
High-Voltage, 3-Channel Linear High-Brightness
LED Driver with Open LED Detection
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 12V, C REG = 0.1μF, I REG = 0, C LGC = 15nF, V DIM1 = V DIM2 = V DIM3 = 3.4V, R CS_ = 2.85 Ω from CS_ to GND, T J = T A = -40°C
to +125°C, unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CURRENT SENSE
Regulated CS_ Voltage
V CS_
5mA ≤ I OUT _ ≤ 70mA
193
203
213
mV
Input Current (CS1, CS2, CS3)
Current out of CS_
+1.2
μA
OVERTEMPERATURE PROTECTION (Note 4)
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
3.4V REGULATOR (REG)
155
23
°C
°C
Output Voltage
V REG
0 ≤ I REG ≤ 4mA
3.275
3.221
3.41
3.38
3.547
3.547
V
REG Short-Circuit Current
V REG = 0V
13
mA
Note 1: All devices 100% production tested at T J = +25°C. Limits over the operating temperature range are guaranteed by design.
Note 2: Dropout is measured as follows: Connect a resistor from OUT_ to CS_. Connect R CS_ = 2.85 ? from CS_ to GND.
Set V IN = V OUT + 3V (record V OUT as V OUTA ). Reduce V IN until V OUT = 0.97 x V OUTA (record as V INB and V OUTB ).
VDO = V INB - V OUTB .
Note 3: Output current rise and fall times are measured with a 62 ? series resistor from OUT_ to CS_.
Note 4: Overtemperature protection does not function if the output of the 3.4V reference (REG) is shorted to ground.
Typical Operating Characteristics
(V IN = 12V, C REG = 0.1μF, I REG = 0, V LGC = unconnected, connect R CS_ = 2.85 Ω from CS_ to GND. Connect OUT_ to CS_ through
a resistor, T J = -40°C to +125°C, unless otherwise noted. Typical values are at T A = +25°C.)
100
90
OUTPUT CURRENT vs. TEMPERATURE
0.210
0.209
V CS_ vs. OUTPUT CURRENT
100
90
OUTPUT CURRENT vs. INPUT VOLTAGE
80
70
60
50
40
30
20
10
0
I LOAD = 70mA
I LOAD = 35mA
I LOAD = 5mA
0.208
0.207
0.206
0.205
0.204
0.203
0.202
0.201
0.200
80
70
60
50
40
30
20
10
0
I OUT = 70mA
I OUT = 5mA
-40 -25 -10 5 20 35 50 65 80 95 110 125
0
10
20 30 40 50
60
70
0
5
10
15 20 25 30
35
40
TEMPERATURE ( ° C )
OUTPUT CURRENT (mA)
INPUT VOLTAGE (V)
_______________________________________________________________________________________
3
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