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参数资料
| 型号： | MAX16834ATP+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 4/23页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVR HIGH BRIGHT 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，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-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 ~ 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
Minimum On-Time
Duty Cycle
SYMBOL
t ON(MIN)
CONDITIONS
On-time includes blanking time
(Note 4)
MIN
90
TYP
100
MAX
99.5
UNITS
ns
%
CURRENT PEAK LIMIT COMPARATOR
Trip Threshold Voltage
Propagation Delay
50mV overdrive with respect to NDRV
0.25
0.3
40
0.35
V
ns
OVERVOLTAGE PROTECTION INPUT (OVP+)
OVP+ On Threshold Voltage
V OVP_ON
1.375
1.435
1.495
V
OVP+ Hysteresis
200
mV
OVP+ Input Leakage Current
(V OVP - V LV ) = 1.235V
-1
+1
μA
HIGH-SIDE LED SHORT COMPARATOR
Off Threshold
On Threshold
Error Reject Blankout
V CLV - V LV
V CLV - V LV
f OSC = 500kHz
4.0
4.1
4.3
4.4
256
4.6
4.7
V
V
μs
LOW-SIDE LED SHORT COMPARATOR
Off Threshold
Error Reject Blankout
0.27
0.30
5
0.33
V
μs
HICCUP TIMER
Hiccup Time
f OSC = 500kHz
8.2
ms
GATE-DRIVER OUTPUT (NDRV)
NDRV Peak Pullup Current
NDRV Peak Pulldown Current
V CC = 7V
V CC = 7V
3
3
A
A
p-Channel MOSFET R DSON
n-Channel MOSFET R DSON
(V CC - V NDRV ) = 0.1V
V NDRV = 0.1V
1.2
0.9
1.9
1.7
?
?
DIMOUT
DIMOUT Peak Pullup Current
DIMOUT Peak Pulldown Current
p-Channel MOSFET R DSON
n-Channel MOSFET R DSON
PWMDIM to DIMOUT
Propagation Delay
(V CLV - V LV ) = 5V
(V CLV - V LV ) = 5V
(V CLV - V DIMOUT ) = 0.1V
(V DIMOUT - V LV ) = 0.1V
25
25
50
50
31
25
200
mA
mA
?
?
ns
FAULT FLAG ( FLT )
FLT Pulldown Current
FLT Leakage Current
V FLT = 0.2V
V FLT = 1.0V
2
5
1
10
mA
μA
Thermal Warning On Threshold
Thermal Warning Threshold
Hysteresis
+140
20
°C
°C
Note 2: Dropout voltage is defined as V IN - V CC , when V CC is 100mV below the value of V CC for V IN = 9.5V.
Note 3: Dropout is defined as V HV - V CLV , when V CLV is 100mV below the value of V CLV for V HV = 8V.
Note 4: Not production tested. Guaranteed by design.
4
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16834AUP/V+ | 功能描述:LED照明驱动器 w/Int Hside Crnt Sns & PWM Dim MOSFET 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 |
| MAX16834AUP/V+T | 功能描述:LED照明驱动器 w/Int Hside Crnt Sns & PWM Dim MOSFET 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 |
| MAX16834AUP+ | 功能描述:LED照明驱动器 w/Int Hside Crnt Sns & PWM Dim MOSFET 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 |
| MAX16834AUP+T | 功能描述:LED照明驱动器 w/Int Hside Crnt Sns & PWM Dim MOSFET 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 |
| MAX16834EVKIT+ | 功能描述:LED 照明开发工具 MAX16834 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: |
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