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参数资料
| 型号： | LT1934IS6#TR |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 0.49 A SWITCHING REGULATOR, PDSO6 |
| 封装： | 1 MM HEIGHT, PLASTIC, MO-193, TSOT-6 |
| 文件页数： | 15/20页 |
| 文件大小： | 234K |
| 代理商： | LT1934IS6#TR |
LT1934/LT1934-1
4
1934fe
TYPICAL PERFORMANCE CHARACTERISTICS
LT1934-1 Efciency, VOUT = 3.3V
Current Limit vs Temperature
Off Time vs Temperature
Frequency Foldback
VFB vs Temperature
SHDN Bias Current
vs SHDN Voltage
LT1934 Efciency, VOUT = 5V
LT1934 Efciency, VOUT = 3.3V
LT1934-1 Efciency, VOUT = 5V
LOAD CURRENT (mA)
60
EFFICIENCY
(%)
70
80
90
100
0.1
10
100
1934 G01
50
1
LT1934
VOUT = 5V
L = 47μH
TA = 25°C
VIN = 12V
VIN = 24V
LOAD CURRENT (mA)
60
EFFICIENCY
(%)
70
80
90
100
0.1
10
100
1934 G02
50
1
LT1934
VOUT = 3.3V
L = 47μH
TA = 25°C
VIN = 24V
VIN = 5V
VIN = 12V
LOAD CURRENT (mA)
0.1
50
EFFICIENCY
(%)
80
90
100
1
10
100
1934 G03
70
60
LT1934-1
VOUT = 5V
L = 150μH
TA = 25°C
VIN = 24V
VIN = 12V
LOAD CURRENT (mA)
0.1
50
EFFICIENCY
(%)
80
90
100
1
10
100
1934 G04
70
60
LT1934-1
VOUT = 3.3V
L = 100μH
TA = 25°C
VIN = 24V
VIN = 12V
TEMPERATURE (°C)
–50
–25
0
SWITCH
CURRENT
LIMIT
(mA)
200
500
0
50
75
1934 G05
100
400
300
25
100
125
LT1934
LT1934-1
TEMPERATURE (°C)
–50
OFF
TIME
(
μ
s)
2.0
2.5
3.0
25
75
1934 G06
1.5
1.0
–25
0
50
100
125
0.5
0
FEEDBACK PIN VOLTAGE (V)
0
SWITCH
OFF
TIME
(
μ
s)
6
8
10
0.6
1.0
1934 G07
4
2
0
0.2
0.4
0.8
12
14
16
1.2
TA = 25 C
TEMPERATURE (°C)
–50
–25
1.22
FEEDBACK
VOLTAGE
(V)
1.24
1.27
0
50
75
1934 G08
1.23
1.26
1.25
25
100
125
SHDN PIN VOLTAGE (V)
0
SHDN
PIN
CURRENT
(μA)
0.5
1.0
1.5
2.0
24
6
8
1934 G09
10
12
TA = 25°C
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相关代理商/技术参数 |
参数描述 |
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| LT1935ES5#TR | 功能描述:IC REG BST FLYBK SEPIC TSOT23-5 RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:升压（升压） 输出类型:可调式 输出数:1 输出电压:1.24 V ~ 30 V 输入电压:1.5 V ~ 12 V PWM 型:电流模式，混合 频率 - 开关:600kHz 电流 - 输出:500mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:带卷 (TR) 供应商设备封装:8-SOIC |
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