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参数资料
| 型号： | LT3970EMS-5#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/22页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK 5V 0.35A 10MSOP |
| 标准包装： | 50 |
| 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： | 管件 |
| 供应商设备封装： | 10-MSOP |
LT3970 Series
TYPICAL PERFORMANCE CHARACTERISTICS T A = 25°C, unless otherwise noted.
No-Load Supply Current
No-Load Supply Current
Maximum Load Current
4.0
3.5
3.0
FRONT PAGE APPLICATION
V OUT = 3.3V
R1 = 1M
R2 = 576k
LT3970-5
LT3970-3.3
15
12
9
FRONT PAGE APPLICATION
V IN = 12V
V OUT = 3.3V
R1 = 1M
R2 = 576k
550
500
FRONT PAGE APPLICATION
V OUT = 3.3V
TYPICAL
450
MINIMUM
2.5
6
2.0
3
400
1.5
5
10
15
20
25
30
35
40
0
–50 –25
0
25
50
75
100 125 150
350
5
10
15 20 25
30
35
40
INPUT VOLTAGE (V)
Maximum Load Current
3970 G07
TEMPERATURE (°C)
Maximum Load Current
3970 G08
INPUT VOLTAGE (V)
Load Regulation
3870 G09
600
550
500
450
FRONT PAGE APPLICATION
V OUT = 5V
TYPICAL
MINIMUM
600
500
400
300
200
LIMITED BY CURRENT LIMIT
LIMITED BY MAXIMUM
JUNCTION TEMPERATURE;
θ JA = 76°C/W
H GRADE
0.20
0.15
0.10
0.05
0
–0.05
100
400
350
5
10
15 20 25
30
35
40
0
FRONT PAGE APPLICATION
V IN = 12V
V OUT = 5V
–50 –25 0 25 50 75
100 125 150
–0.10
–0.15 FRONT PAGE APPLICATION
REFERENCED FROM V OUT AT 100mA LOAD
–0.20
0 50 100 150 200 250 300 350
800
INPUT VOLTAGE (V)
Switch Current Limit
3870 G10
800
TEMPERATURE (°C)
Switch Current Limit
SWITCH PEAK CURRENT LIMIT
3970 G11
2.4
2.2
LOAD CURRENT (mA)
Switching Frequency
3970 G12
700
600
SWITCH PEAK
CURRENT LIMIT
700
600
2.0
1.8
1.6
1.4
500
500
1.2
400
C ATCH DIODE VALLEY CURRENT LIMI T
400
C ATCH DIODE VALLEY CURRENT LIMIT
1.0
0.8
0.6
300
300
0.4
0.2
200
0
20
40 60
80
100
200
–50 –25
0
25
50
75
100 125 150
0
–50 –25
0
25 50 75
100 125 150
5
DUTY CYCLE (%)
3970 G13
TEMPERATURE ( ° C)
3970 G14
TEMPERATURE (°C)
3970 G15
3970fc
相关PDF资料 |
PDF描述 |
|---|---|
| LT3970EMS#PBF | IC REG BUCK ADJ 0.35A 10MSOP |
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| GBM36DTBD | CONN EDGECARD 72POS R/A .156 SLD |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3970EMS-5-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 |
| 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 |
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