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参数资料
| 型号： | MAX16834AUP/V+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/23页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR HIGH BRIGHT 20-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 拓扑： | PWM，SEPIC，降压（降压），升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 无 |
| 类型 - 主要： | 车载，背光 |
| 类型 - 次要： | 高亮度 LED（HBLED），RGB |
| 频率： | 100kHz ~ 1MHz |
| 电源电压： | 4.75 V ~ 28 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽）裸露焊盘 |
| 供应商设备封装： | 20-TSSOP-EP |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 125°C |
MAX16834
High-Power LED Driver with Integrated High-Side LED
Current Sense and PWM Dimming MOSFET Driver
ELECTRICAL CHARACTERISTICS (continued)
(V IN = V HV = 12V, V UVEN = 5V, V LV = V PWMDIM = V SGND , C VCC = 4.7μF, C LCV = 100nF, C REF = 100nF, R SENSE+ = 0.1 ? ,
R RT = 10k ? , T A = T J = -40°C to +125°C, unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
PWMDIM Threshold Voltage
Hysteresis
200
mV
Input Leakage Current
V PWMDIM = 0V
1
μA
OSCILLATOR
Oscillator Frequency
Oscillator Frequency Range
f OSC
R RT/SYNC = 5k ?
R RT/SYNC = 25k ?
(Note 4)
0.9
180
100
1
200
1.1
220
1000
MHz
kHz
kHz
External Sync Input Clock High
Threshold
External Sync Input Clock Low
Threshold
External Sync Input High Pulse
Width
Maximum External Sync Period
(Note 4)
(Note 4)
(Note 4)
2
200
50
0.4
V
V
ns
μs
SLOPE COMPENSATION (SC)
SC Pullup Current
SC Discharge Resistance
I SCPU
R SCD
V SC = 100mV
V SC = 100mV
80
100
8
120
μA
?
REFI
REFI Input Bias Current
V REFI = 1V
1
μA
REFI Input Common-Mode Range
(Note 4)
0
2
V
SENSE+
SENSE+ Input Bias Current
(V SENSE+ - V LV ) = 100mV
250
μA
HIGH-SIDE LED CURRENT-SENSE AMPLIFIER (V SENSE+ - V LV )
Input Offset Voltage
V LV > 5V, (V SENSE+ - V LV ) = 5mV
-2.4
0
+2.4
mV
Voltage Gain
A V
V LV > 5V, (V SENSE+ - V LV ) = 0.2V
9.7
9.9
10.1
V/V
3dB Bandwidth
(V SENSE+ - V LV ) = 0.1V, no load
(V SENSE+ - V LV ) = 0.02V, no load
1.8
600
MHz
kHz
LOW-SIDE LED CURRENT-SENSE AMPLIFIER
Input Offset Voltage
V LV < 1V, (V SENSE+ - V LV ) = 0V
-2
0
+2
mV
Voltage Gain
A V
V LV < 1V, (V SENSE+ - V LV ) = 0.2V
9.7
9.9
10.1
V/V
3dB Bandwidth
CURRENT ERROR AMPLIFIER (TRANSCONDUCTANCE AMPLIFIER)
600
kHz
Transconductance
g m
V COMP = 2V, V PWMDIM = 5V
400
500
600
μS
Open-Loop DC Gain
A V
60
dB
Input Offset Voltage
-10
0
+10
mV
COMP Voltage Range
V COMP
(Note 4)
0.4
2.5
V
PWM COMPARATOR
Input Offset Voltage
0.6
0.65
0.70
V
Propagation Delay
t PD
50mV overdrive
40
ns
Maxim Integrated
3
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| MAX16835ATE+ | 功能描述:LED照明驱动器 350mA Adj Linear HB 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 |
| MAX16835ATE+T | 功能描述:LED照明驱动器 350mA Adj Linear HB 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 |
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