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参数资料
| 型号： | LT3757MPMSE#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | 3 X 3 MM, LEAD FREE, PLASTIC, MSOP-10 |
| 文件页数： | 32/36页 |
| 文件大小： | 436K |
| 代理商： | LT3757MPMSE#PBF |
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LT3757
5
3757fc
Typical perForMance characTerisTics
Switching Frequency
vs Temperature
SENSE Current Limit Threshold
vs Temperature
SENSE Current Limit Threshold
vs Duty Cycle
SHDN/UVLO Threshold
vs Temperature
SHDN/UVLO Current vs Voltage
SHDN/UVLO Hysteresis Current
vs Temperature
Dynamic Quiescent Current
vs Switching Frequency
RT vs Switching Frequency
Normalized Switching Frequency
vs FBX
TA = 25°C, unless otherwise noted.
FBX VOLTAGE (V)
–0.8
0
NORMALIZED
FREQUENCY
(%)
20
40
60
80
120
–0.4
0
0.4
0.8
3757 G06
1.2
1.6
100
–75 –50
0
50 75
–25
25
100
150
125
TEMPERATURE (°C)
100
SENSE
THRESHOLD
(mV)
105
110
115
120
3757 G08
DUTY CYCLE (%)
0
95
SENSE
THRESHOLD
(mV)
105
20
40
80
60
115
100
110
100
3757 G09
SHDN/UVLO VOLTAGE (V)
0
SHDN
/UVLO
CURRENT
(A)
20
10
20
30
40
10
30
40
3757 G11
–75 –50
0
50 75
–25
25
100
150
125
TEMPERATURE (°C)
1.6
I SHDN
/UVLO
(A)
1.8
2.0
2.2
2.4
3757 G12
SWITCHING FREQUENCY (KHz)
0
I Q
(mA)
15
20
35
300
500 600 700
10
5
25
30
100 200
400
900
800
1000
3757 G04
CL = 3300pF
SWITCHING FREQUENCY (KHz)
0
10
R
T
(k) 100
1000
300
500 600 700
100 200
400
900
800
1000
3757 G05
–75 –50
0
50 75
–25
25
100
150
125
TEMPERATURE (°C)
270
SWITCHING
FREQUENCY
(kHz)
280
290
300
310
330
3757 G07
320
RT = 41.2K
–75 –50
0
50 75
–25
25
100
150
125
TEMPERATURE (°C)
1.18
SHDN
/UVLO
VOLTAGE
(V)
1.22
1.24
1.26
1.28
1.20
3757 G10
SHDN/UVLO FALLING
SHDN/UVLO RISING
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3757MPMSE-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Boost, Flyback, SEPIC and Inverting Controller |
| LT3758 | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Input Voltage, Boost, Flyback, SEPIC and Inverting Controller |
| LT3758A | 制造商:LINER 制造商全称:Linear Technology 功能描述:60V Low IQ Inverting DC/DC Controller Wide Operating VIN Range: 3.5V to 60V |
| LT3758AEDD#PBF | 制造商:Linear Technology 功能描述:IC REG CTRLR BST FLYBK INV 10DFN |
| LT3758AEDD#TRPBF | 制造商:Linear Technology 功能描述:IC REG CTRLR BST FLYBK INV 10DFN 制造商:Linear Technology 功能描述:SP-SWREG/Controller, High Input Voltage, Boost, Flyback, SEPIC and Inverting Con |
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