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参数资料
| 型号： | MAX16838AUP+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 5/21页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVR HIGH BRIGHT 20TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 74 |
| 恒定电流： | 是 |
| 拓扑： | 线性（LDO），PWM，SEPIC，递升（升压） |
| 输出数： | 2 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 车载，背光 |
| 类型 - 次要： | 高亮度 LED（HBLED） |
| 频率： | 200kHz ~ 2MHz |
| 电源电压： | 4.75 V ~ 40 V，4.55 V ~ 5.5 V |
| 输出电压： | 4.75 V ~ 5.25 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： | 管件 |
| 工作温度： | -40°C ~ 125°C |
MAX16838
Integrated, 2-Channel, High-Brightness LED Driver
with High-Voltage Boost and SEPIC Controller
ELECTRICAL CHARACTERISTICS (continued)
(V IN = V EN = 12V, R RT = 12.2k I , R ISET = 15k I , C VCC = 1 F F, V CC = V DRV = V CFB , DRAIN, COMP, OUT_, FLT = unconnected, V OV
= V CS = V LEDGND = V DIM = V PGND = V SGND = 0V, V GATE = V NDRV , T A = T J = -40 N C to +125 N C, unless otherwise noted. Typical
values are at T A = 25 N C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
FLT LOGIC
Output-Voltage Low
V OL
V IN = 4.75V and I SIN K = 5mA
0.4
V
Output Leakage Current
V FILT = 5.5V
-300
+300
nA
OVERVOLTAGE PROTECTION
OV Trip Threshold
V OV rising
1.19
1.23
1.265
V
OV Hysteresis
70
mV
OV Input Bias Current
0 P V OV P 1.3V
-100
+100
nA
THERMAL SHUTDOWN
Thermal Shutdown
Thermal Shutdown Hysteresis
165
15
o C
o C
Note 2: All devices are 100% tested at T A = +125 N C. Limits over temperature are guaranteed by design, not production tested.
Note 3: The shutdown current does not include currents in the OV and CFB resistive dividers.
Note 4: Gain = D V COMP / D V CS , 0.05V < V CS < 0.15V.
Typical Operating Characteristics
(V IN = V EN = 12V, R RT = 12.2k I , R ISET = 15k I , C VCC = 1 F F, V CC = V DRV = V CFB, V DRAIN = V COMP = V OUT_ , FLT = unconnected,
V OV = V CS = V LEDGND = V DIM = V PGND = V SGND = 0V, V GATE = V NDRV , T A = +25 N C, unless otherwise noted.)
V LX
SWITCHING WAVEFORM AT 200Hz
(50% DUTY CYCLE)
MAX16838 toc01
10V/div
5.0
4.5
I IN vs. SUPPLY VOLTAGE
0V
4.0
T A = +125°C
I LED
100mA/div
0A
3.5
3.0
T A = +25°C
V OUT
20V/div
0V
2.5
2.0
T A = -40°C
V IN = 12V
1ms/div
4
8
12
16
20
24
28
32
36
40
SUPPLY VOLTAGE (V)
Maxim Integrated
5
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相关代理商/技术参数 |
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|---|---|
| MAX16838AUP/V+ | 功能描述:LED照明驱动器 HB w/High-Voltage DC/DC Controller 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 |
| MAX16838AUP/V+T | 功能描述:LED照明驱动器 HB w/High-Voltage DC/DC Controller 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 |
| MAX16838AUP+ | 功能描述:LED照明驱动器 HB w/High-Voltage DC/DC Controller 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 |
| MAX16838AUP+T | 功能描述:LED照明驱动器 HB w/High-Voltage DC/DC Controller 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 |
| MAX16838EVKIT+ | 功能描述:LED 照明开发工具 MAX16838 evaluation 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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