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参数资料
| 型号： | MAX16814AUP+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 6/25页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR HI-BRIGHT 4CH 20TSSOP |
| 标准包装： | 2,500 |
| 恒定电流： | 是 |
| 拓扑： | 回扫，高端，PWM，SEPIC，降压（降压），升压（升压） |
| 输出数： | 4 |
| 内部驱动器： | 无 |
| 类型 - 主要： | 汽车，背光，通用型 |
| 类型 - 次要： | 高亮度 LED（HBLED），白色 LED |
| 频率： | 200kHz ~ 2MHz |
| 电源电压： | 4.75 V ~ 40 V |
| 输出电压： | 40V |
| 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 |
MAX16814
Integrated, 4-Channel, High-Brightness LED
Driver with High-Voltage DC-DC Controller
Typical Operating Characteristics (continued)
(V IN = V EN = 12V, f SW = 300kHz, R SETI = 15k I , C VCC = 1 F F, V CC = V DRV , NDRV = COMP = OUT_ = unconnected, V OVP = V CS =
V LEDGND = V DIM = V PGND = V SGND = 0V, load =4 strings of 7 white LEDs, T A = +25 N C, unless otherwise noted.)
5.08
V CC LINE REGULATION
5.10
V CC LOAD REGULATION
2.00
SWITCHING FREQUENCY vs. 1/RT
5.06
5.04
5.02
5.00
4.98
T A = +125 N C
T A = +25 N C
T A = -40 N C
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
T A = +125 N C
T A = -40 N C
T A = +25 N C
1.80
1.60
1.40
1.20
1.00
0.80
0.60
0.40
4.96
5
10
15
20
25
30
35
40
4.90
0
20
40
60
80
0.20
0.02
0.06
0.10
0.14
0.18
0.22
0.26
0.30
V IN (V)
I VCC (mA)
1/RT (mS)
STARTUP WAVEFORM WITH
DIM ON PULSE WIDTH < t SW
MAX16814 toc12
40ms/div
STARTUP WAVEFORM WITH DIM
CONTINUOUSLY ON
MAX16814 toc14
FIGURE 2
V IN
20V/div
0V
V DIM
5V/div
0V
I OUT_
100mA/div
0A
V LED
20V/div
0V
V IN
20V/div
0V
V DIM
5V/div
0V
I OUT1
100mA/div
0A
V LED
10V/div
0V
1.5
1.3
1.1
0.9
0.7
0.5
STARTUP WAVEFORM WITH DIM
ON PULSE WIDTH = 10t SW
MAX16814 toc13
FIGURE 2
40ms/div
MOSFET DRIVER ON-RESISTANCE
vs. TEMPERATURE
pMOS
nMOS
V IN
20V/div
0V
V DIM
5V/div
0V
I OUT1
100mA/div
0A
V LED
10V/div
0V
40ms/div
-50
-25
0
25
50
75
100
125
TEMPERATURE ( N C)
6
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16814BEUP+ | 功能描述:LED照明驱动器 4Ch HB Drvr w/High-V 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 |
| MAX16814BEUP+T | 功能描述:LED照明驱动器 4Ch HB Drvr w/High-V 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 |
| MAX16814BUTP+ | 制造商:Maxim Integrated Products 功能描述:INTEGRATED, 4-CHANNEL, HIGH-BRIGHTNESS LED DRIVER WITH HIGH- - Rail/Tube |
| MAX16814BUTP+T | 制造商:Maxim Integrated Products 功能描述:INTEGRATED, 4-CHANNEL, HIGH-BRIGHTNESS LED DRIVER WITH HIGH- - Tape and Reel |
| MAX16814BUUP+ | 制造商:Maxim Integrated Products 功能描述:LED DRIVER - Rail/Tube |
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