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参数资料
| 型号： | LT3970EMS-5#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 6/22页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK 5V 0.35A 10MSOP |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 5V |
| 输入电压： | 4.2 V ~ 40 V |
| PWM 型： | 电流模式，Burst Mode? |
| 频率 - 开关： | 200kHz ~ 2.25MHz |
| 电流 - 输出： | 350mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 10-MSOP |
LT3970 Series
TYPICAL PERFORMANCE CHARACTERISTICS T A = 25°C, unless otherwise noted.
Minimum
Switch On-Time/Switch Off-Time
Switch V CESAT (I SW = 200mA)
vs Temperature
Switch V CESAT
200
180
160
140
120
100
80
60
40
LOAD CURRENT = 175mA
MINIMUM OFF-TIME
MINIMUM ON-TIME
250
200
150
400
300
200
100
20
0
–50 –25
0
25
50
75
100 125 150
100
–50 –25
0
25 50
75 100 125 150
0
0
100
200
300
400
500
TEMPERATURE (°C)
3970 G16
TEMPERATURE (°C)
3970 G17
SWITCH CURRENT (mA)
3970 G18
16
14
12
10
8
BOOST Pin Current
5.0
4.5
4.0
3.5
Minimum Input Voltage,
V OUT = 3.3V
FRONT PAGE APPLICATION
V OUT = 3.3V
TO START/RUN
6.5
6.0
5.5
5.0
Minimum Input Voltage,
V OUT = 5V
FRONT PAGE APPLICATION
V OUT = 5V
TO START
TO RUN
6
4
3.0
4.5
2
0
100
200
300
400
500
2.5
0
50
100
150
200
250
300
350
4.0
0
50
100
150
200
250
300
350
SWITCH CURRENT (mA)
3970 G19
LOAD CURRENT (mA)
3970 G20
LOAD CURRENT (mA)
3970 G21
1.2
Boost Diode Forward Voltage
1.0
Catch Diode Forward Voltage
20
Catch Diode Leakage
V R = 12V
1.0
0.8
0.6
0.4
0.8
0.6
0.4
16
12
8
0.2
0
0
50 100 150
BOOST DIODE CURRENT (mA)
–50°C
25°C
125°C
150°C
200
0.2
0
0
100 200 300
CATCH DIODE CURRENT (mA)
–50°C
25°C
125°C
150°C
400
4
0
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
6
3970 G22
3970 G23
3970 G24
3970fc
相关PDF资料 |
PDF描述 |
|---|---|
| LT3970EMS-3.3#TRPBF | IC REG BUCK 3.3V 0.35A 10MSOP |
| 16MS56.8MEFCT54X5 | CAP ALUM 6.8UF 16V 20% RADIAL |
| 16MS56.8MEFCTZ4X5 | CAP ALUM 6.8UF 16V 20% RADIAL |
| 16MS54.7MEFCT54X5 | CAP ALUM 4.7UF 16V 20% RADIAL |
| 16MS54.7MEFCTZ4X5 | CAP ALUM 4.7UF 16V 20% RADIAL |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3970EMSPBF | 制造商:Linear Technology 功能描述:DC-DC Converter Step-Down 4.2-40V MSOP10 |
| LT3970EMS-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:40V, 350mA Step-Down Regulator with 2.5μA Quiescent Current and Integrated Diodes |
| LT3970EMS-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:40V, 350mA Step-Down Regulator with 2.5μA Quiescent Current and Integrated Diodes |
| LT3970HMS#PBF | 制造商:Linear Technology 功能描述:IC REG BUCK ADJ 0.35A 10MSOP 制造商:Linear Technology 功能描述:IC, STEP DOWN REG, 200KHZ-2.2MHZ, MSOP10 制造商:Linear Technology 功能描述:SWITCHING REG, BUCK, ADJ, 2.2MHZ, MSOP10, Primary Input Voltage:40V, No. of Outputs:1, Output Current:350mA, No. of Pins:10, Operating Temperature Min:-40C, Operating Temperature Max:150C, Package / Case:10-MSOP , RoHS Compliant: Yes |
| LT3970HMS#TRPBF | 制造商:Linear Technology 功能描述:IC REG BUCK ADJ 0.35A 10MSOP 制造商:Linear Technology 功能描述:SWITCHING REG, BUCK, ADJ, 2.2MHZ, MSOP10, Primary Input Voltage:40V, No. of Outputs:1, Output Current:350mA, No. of Pins:10, Operating Temperature Min:-40C, Operating Temperature Max:150C, Package / Case:10-MSOP , RoHS Compliant: Yes |
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