参数资料
型号: LT1932ES6#TRMPBF
厂商: Linear Technology
文件页数: 3/16页
文件大小: 0K
描述: IC LED DRIVR WHITE BCKLGT TSOT-6
标准包装: 1
恒定电流:
拓扑: PWM,升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 800kHz ~ 1.6MHz
电源电压: 1 V ~ 10 V
输出电压: 36V
安装类型: 表面贴装
封装/外壳: SOT-23-6 细型,TSOT-23-6
供应商设备封装: TSOT-23-5
包装: 标准包装
工作温度: -40°C ~ 85°C
产品目录页面: 1329 (CN2011-ZH PDF)
其它名称: LT1932ES6#TRMPBFDKR
LT1932
TYPICAL PERFOR A CE CHARACTERISTICS
400
Switch Saturation Voltage (V CESAT )
700
Switch Current Limit
2.0
Switching Frequency
350
300
250
200
T J = 125 ° C
T J = 25 ° C
600
500
400
V IN = 10V
V IN = 1.2V
1.8
1.6
1.4
1.2
1.0
V IN = 10V
V IN = 1.2V
150
100
50
T J = –50 ° C
300
200
100
0.8
0.6
0.4
0.2
0
0
100
200
300
400
500
600
0
–50 –25
0
25
50
75
100
125
0
–50 –25
0
25
50
75
100
125
400
SWITCH CURRENT (mA)
LED Pin Voltage
1932 G01
50
TEMPERATURE ( ° C)
LED Current
1932 G02
50
TEMPERATURE ( ° C)
LED Current
1932 G03
350
45
40
R SET = 562 ?
45
40
R SET = 562 ?
300
250
T J = 125 ° C
35
30
R SET = 750 ?
35
30
R SET = 750 ?
200
150
100
50
T J = 2 5 ° C
T J = –50 ° C
25
20
15
10
5
R SET = 1.50k
R SET = 4.53 k
25
20
15
10
5
R SET = 1.50k
R SET = 4.53k
0
0
5
10
15
20
25
30
35
40
0
– 50 – 25
0
25
50
75
100
125
0
0
2
4
6
8
10
2.00
LED CURRENT (mA)
Quiescent Current
1932 G04
50
TEMPERATURE ( ° C)
SHDN Pin Current
1932 G05
INPUT VOLTAGE (V)
Switching Waveforms
1932 G06
1.75
45
T J = –50 ° C
V SW
10V/DIV
1.50
1.25
1.00
V IN = 10V
V IN = 1.2V
40
35
30
25
T J = 25 ° C
I L1
200mA/DIV
V OUT
20mV/DIV
AC COUPLED
I LED
0.75
0.50
20
15
T J = 125 ° C
10mA/DIV
V IN = 3V 0.5 μ s/DIV
4 WHITE LEDs
1093 G09
10
I LED = 15mA
0.25
5
CIRCUIT ON FIRST PAGE
OF THIS DATA SHEET
0
– 50 – 25
0
25
50
75
100
125
0
0
2
4
6
8
10
TEMPERATURE ( ° C)
1932 G07
SHDN PIN VOLTAGE (V)
1932 G08
1932f
3
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