LT3492
BLOCK DIAGRAM
D1
V SENSE
+ –
I LED
M1
LED ARRAY
C2
V IN
L1
R SENSE
C1
ISP1
ISN1
TG1
PWM1
SW1
R3
OVP1
A7
MOSFET
R4
V C1
DRIVER
C C
R C
PWM1
+
V1
+
A1
EAMP
1V
A6
A4
NPN
DRIVER
A5
Q1
V IN
R1 2k
1V
CTRL1
+
+
A8
Q3
V C
A2
SR LATCH
A3
R Q
CTRL
BUFFER
SLOPE
PWM
COMPARATOR
S
ISENSE
+
R2
20k
A10
GND
REPLICATED FOR EACH CHANNEL
V IN
C3
V IN
SHDN
INTERNAL
REGULATOR
AND UVLO
V IN
200μA
VREF
RAMP
GENERATOR
A9
Q2
OSCILLATOR
2V
REFERENCE
FADJ
R5
C4
R6
SHARED COMPONENTS
3492 BD
Figure 1. LT3492 Block Diagram Working in Boost Con?guration
3492fa
8
相关PDF资料
LT3496IUFD#PBF IC LED DRVR WHT/RGB BCKLT 28-QFN
LT3497EDDB#TRMPBF IC LED DRIVR WHITE BCKLGT 10-DFN
LT3498EDDB#TRPBF IC LED DRVR WT/OLED BCKLGT 12DFN
LT3517HUF#PBF IC LED DRIVER AUTOMOTIVE 16-QFN
LT3519EMS-2#PBF IC LED DRVR HP CONST CURR 16MSOP
LT3590ESC8#TRMPBF IC LED DRVR WHITE BCKLGT SC-70-8
LT3591EDDB#TRMPBF IC LED DRIVER WHITE BCKLGT 8-DFN
LT3593ES6#TRMPBF IC LED DRIVR WHITE BCKLGT TSOT-6
相关代理商/技术参数
LT3492IFEPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:Triple Output LED Driver with 3000:1 PWM Dimming
LT3492IFETRPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:Triple Output LED Driver with 3000:1 PWM Dimming
LT3492IUFD 制造商:LINER 制造商全称:Linear Technology 功能描述:Triple Output LED Driver with 3000:1 PWM Dimming
LT3492IUFD#PBF 功能描述:IC LED DRIVER TRIPLE 28QFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极,PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND
LT3492IUFD#TRPBF 功能描述:IC LED DVR TRPL PWM DIM 28TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极,PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND
LT3492IUFDPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:Triple Output LED Driver with 3000:1 PWM Dimming
LT3492IUFDTRPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:Triple Output LED Driver with 3000:1 PWM Dimming
LT3493 制造商:LINER 制造商全称:Linear Technology 功能描述:1.2A, 750kHz Step-Down Switching Regulator in 2mm × 3mm DFN