参数资料
型号: LT1934IS6-1#TRM
厂商: Linear Technology
文件页数: 4/20页
文件大小: 0K
描述: IC REG BUCK ADJ 60MA SOT23-6
标准包装: 500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 1.25 V ~ 28 V
输入电压: 3.2 V ~ 34 V
PWM 型: Burst Mode?
电流 - 输出: 60mA
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: SOT-23-6
包装: 带卷 (TR)
供应商设备封装: SOT-23-6
其它名称: LT1934IS6-1
LT1934IS6-1-ND
LT1934/LT1934-1
TYPICAL PERFORMANCE CHARACTERISTICS
LT1934 Ef?ciency, V OUT = 5V
LT1934 Ef?ciency, V OUT = 3.3V
LT1934-1 Ef?ciency, V OUT = 5V
100
LT1934
100
LT1934
100
LT1934-1
90
80
V OUT = 5V
L = 47 μ H
T A = 25°C
V IN = 12V
V IN = 24V
90
80
V OUT = 3.3V
L = 47 μ H
T A = 25°C
V IN = 12V
V IN = 5V
V IN = 24V
90
80
V OUT = 5V
L = 150 μ H
T A = 25°C
V IN = 12V
V IN = 24V
70
60
50
70
60
50
70
60
50
0.1
1
10 100
0.1
1
10 100
0.1
1
10
100
LOAD CURRENT (mA)
1934 G01
LOAD CURRENT (mA)
1934 G02
LOAD CURRENT (mA)
1934 G03
LT1934-1 Ef?ciency, V OUT = 3.3V
Current Limit vs Temperature
Off Time vs Temperature
100
90
80
LT1934-1
V OUT = 3.3V
L = 100 μ H
T A = 25°C
V IN = 12V
500
400
300
LT1934
3.0
2.5
2.0
70
V IN = 24V
200
1.5
LT1934-1
1.0
60
100
0.5
50
0.1
1
10
100
0
–50
–25
0
25
50
75
100
125
0
–50 –25
0
25
50
75
100
125
LOAD CURRENT (mA)
Frequency Foldback
1934 G04
TEMPERATURE (°C)
V FB vs Temperature
1934 G05
TEMPERATURE (°C)
SHDN Bias Current
vs SHDN Voltage
1934 G06
16
T A = 2 5 C
1.27
2.0
T A = 25°C
14
12
1.26
1.5
10
8
6
1.25
1.24
1.0
4
2
1.23
0.5
0
0
0.2
0.4
0.6
0.8
1.0
1.2
1.22
–50
–25
0
25
50
75
100
125
0
0
2
4 6 8
10
12
FEEDBACK PIN VOLTAGE (V)
1934 G07
TEMPERATURE (°C)
1934 G08
SHDN PIN VOLTAGE (V)
1934 G09
1934fe
4
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