LT3590
TYPICAL PERFORMANCE CHARACTERISTICS
Sense Voltage (V IN – V LED )
vs V CTRL
Switching Current Limit
vs Duty Cycle
Switching Current Limit
vs Temperature
0.25
0.20
V IN = 48V
I LED = 50mA
T A = 25°C
150
140
T A = 25°C
150
140
130
130
0.15
0.10
0.05
120
110
100
90
120
110
100
90
0
0
0.5
1
1.5
2
80
0
20
40
60
80
100
80
–50 –25
0
25
50
75
100
125
V CTRL (V)
Sense Voltage (V IN – V LED )
vs V IN
3590 G09
DUTY CYCLE (%)
Sense Voltage (V IN – V LED )
vs Temperature
3590 G10
TEMPERATURE (°C)
Switching Frequency over
Temperature
3590 G11
206
I LED = 50mA
206
1000
V IN = 48V
10 WHITE LEDs
204 T A = 25°C
202
200
198
196
204
202
200
198
196
950
900
850
800
750
194
0
10
20
30
40
50
60
194
–50 –25
0
25
50
75
100
125
700
–50 –25
0
25
50
75
100
125
V IN (V)
Internal Regulator
Line Regulation
3590 G12
TEMPERATURE (°C)
Internal Regulator
Load Regulation
3590 G13
TEMPERATURE (°C)
Internal Regulator
V REG vs Temperature
3590 G14
3.40
3.35
T A = 25°C
V CTRL = 0V
I LOAD = 0V
3.40
3.35
T A = 25°C
V CTRL = 0V
I LED = 0V
3.40
3.35
V CTRL = 3.3V
I LOAD = 1mA
3.30
3.25
V CTRL = 3.3V
I LOAD = 1mA
3.30
3.25
V CTRL = 3.3V
I LED = 50mA
3.30
3.25
3.20
0
10
20
30
40
50
60
3.20
0
0.2
0.4
0.6
0.8
1
3.20
–50
–25
0 25 50
75
100
125
V IN (V)
3590 G15
I LOAD (mA)
3590 G16
TEMPERATURE (°C)
3590 G17
3590f
5
相关PDF资料
LT3591EDDB#TRMPBF IC LED DRIVER WHITE BCKLGT 8-DFN
LT3593ES6#TRMPBF IC LED DRIVR WHITE BCKLGT TSOT-6
LT3595AEUHH#TRPBF IC LED DRIVR WHITE BCKLGT 56-QFN
LT3595EUHH#TRPBF IC LED DRIVR WHITE BCKLGT 56-QFN
LT3596EUHG#PBF IC LED DVR 300MA ADJ 52-VQFN
LT3597EUHG#PBF IC LED DRIVER TRPL STP DWN 52QFN
LT3598IUF#PBF IC LED DRIVR WHITE BCKLGT 24-QFN
LT3599IFE#PBF IC LED DRVR WHITE BCKLGT 28TSSOP
相关代理商/技术参数
LT3590ESC8#TRPBF 功能描述:IC LED DRVR WHITE BCKLGT SC-70-8 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
LT3590ESC8-PBF 制造商:LINER 制造商全称:Linear Technology 功能描述:48V Buck Mode LED Driver in SC70 and 2mm x 2mm DFN
LT3590ESC8-TRPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:48V Buck Mode LED Driver in SC70 and 2mm x 2mm DFN
LT3591 制造商:LINER 制造商全称:Linear Technology 功能描述:20mA LED Driver and OLED Driver with Integrated Schottky in 3mm x 2mm DFN
LT3591EDDB#PBF 制造商:Linear Technology 功能描述:LED DRVR 10Segment 3.3V/5V/9V 8-Pin DFN EP 制造商:Linear Technology 功能描述:LED DRIVER BOOST PWM/ANALOGU 制造商:Linear Technology 功能描述:LED DRIVER, BOOST, PWM/ANALOGUE, 1MHZ, DFN-8; Topology:Boost (Step Up); No. of Outputs:1; Output Voltage:42V; Driver Case Style:DFN; Input Voltage Min:2.5V; Input Voltage Max:12V; Dimming Control Type:PWM / Analogue ;RoHS Compliant: Yes
LT3591EDDB#TRMPBF 功能描述:IC LED DRIVER WHITE BCKLGT 8-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:60 系列:- 恒定电流:- 恒定电压:- 拓扑:线性(LDO),PWM,升压(升压) 输出数:8 内部驱动器:是 类型 - 主要:背光 类型 - 次要:RGB,白色 LED 频率:500kHz ~ 1.5MHz 电源电压:4.75 V ~ 26 V 输出电压:45V 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* 工作温度:-40°C ~ 85°C
LT3591EDDB#TRPBF 功能描述:IC LED DRIVER WHITE BCKLGT 8-DFN 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
LT3591EDDBTRMPBF 制造商:Linear Technology 功能描述:LED Driver 10-Seg 3.3/5/9V DFN8EP