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MAX16814
Integrated, 4-Channel, High-Brightness LED
Driver with High-Voltage DC-DC Controller
FLT
RSDT
MAX16814
V REF
POKD
FAULT FLAG
LOGIC
SHORT LED
DETECTOR
OPEN-LED
DETECTOR
UNUSED
STRING
DETECTOR
SHDN
DRV
NDRV
PGND
PWM
LOGIC
CLK
TSHDN
RT
SLOPE
COMPENSATION
ILIM
MIN STRING
VOLTAGE
OUT_
RAMP/RT OSC
0.425V
( dt = 50 F A x fsw)
di
2.5V
CS
COMP
CS BLANKING
THERMAL
SHUTDOWN
TSHDN
g M
OVP
COMP
LOGIC
R
REF
FB
V BG
IN
UVLO
BANDGAP
V BG = 1.235V
LOGIC
(REF/FB
SELECTOR)
SHDN
LEDGND
DIM
V CC
5V LDO
REGULATOR
SS_REF
SS_DONE
UVLO
TSHDN
V REF
POK
SOFT-START
100ms
POKD
SHDN
V BG
P
EN
SHDN
1.23V
TSHDN
SGND
Figure 1. Simplified Functional Diagram
10
SGND
OVP
SETI
Maxim Integrated
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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
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MAX16814BUUP+T 制造商:Maxim Integrated Products 功能描述:LED DRIVER - Tape and Reel
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