Datasheet 搜索 > ADI（亚德诺） > LT1372CS8#TRPBF 数据手册 > LT1372CS8#TRPBF 数据手册 4/12 页
器件3D模型￥ 81.946
LT1372CS8#TRPBF 数据手册 - ADI（亚德诺）
制造商:
ADI（亚德诺）
封装:
SOP
描述:
降压型 升降压型 升压型 Vin=2.7V~30V Vout=1.245V~35V 1.5A
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
典型应用电路图在P7P11P12
技术参数、封装参数在P3
应用领域在P5P7P11P12
电气规格在P3
导航目录
LT1372CS8#TRPBF数据手册
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4
LT1372/LT1377
Error Amplifier Output Current
vs Feedback Pin Voltage
Shutdown Delay and Threshold
vs Temperature
TEMPERATURE (°C)
–50
0
SHUTDOWN DELAY (µs)
SHUTDOWN THRESHOLD (V)
2
6
8
10
20
14
0
50
75
LT1372 • G04
4
16
18
12
0
0.2
0.6
0.8
1.0
2.0
1.4
0.4
1.6
1.8
1.2
–25 25
100
125
150
SHUTDOWN THRESHOLD
SHUTDOWN DELAY
S/S Pin Input Current
vs Voltage
Error Amplifier Transconductance
vs Temperature
Switching Frequency
vs Feedback Pin Voltage
V
C
Pin Threshold and High
Clamp Voltage vs Temperature
FEEDBACK PIN VOLTAGE (V)
400
ERROR AMPLIFIER OUTPUT CURRENT (µA)
–300
–200
–100
300
100
–0.1 0.1
200
0
–0.3 –0.2
V
REF
–55°C
125°C
25°C
LT1372 • G06
Minimum Synchronization
Voltage vs Temperature
TEMPERATURE (°C)
–50
0
MINIMUM SYNCHRONIZATION VOLTAGE (V
P-P
)
0.5
1.0
1.5
2.0
050
100
150
LT1372 • G05
2.5
3.0
–25 25
75
125
f
SYNC
= 700kHz (LT1372)
f
SYNC
= 1.4MHz (LT1377)
LT1377
LT1372
S/S PIN VOLTAGE (V)
–1
S/S PIN INPUT CURRENT (µA)
1
3
5
7
LT1372 • G07
–1
–3
0
2
4
–2
–4
–5
1
3
5
08
2
4
6
9
V
IN
= 5V
FEEDBACK PIN VOLTAGE (V)
0
SWITCHING FREQUENCY (% OF TYPICAL)
70
90
110
0.8
LT1372 • G08
50
30
60
80
100
40
20
10
0.2
0.4
0.6
0.1 0.9
0.3
0.5
0.7
1.0
TEMPERATURE (°C)
–50
0
TRANSCONDUCTANCE (µmho)
200
600
800
1000
2000
1400
0
50
75
LT1372 • G09
400
1600
1800
1200
–25 25
100
125
150
g
m
=
∆I (V
C
)
∆V (FB)
TEMPERATURE (°C)
–50
0.4
V
C
PIN VOLTAGE (V)
0.6
1.0
1.2
1.4
2.4
1.8
0
50
75
LT1372 • G10
0.8
2.0
2.2
1.6
–25 25
100
125
150
V
C
HIGH CLAMP
V
C
THRESHOLD
TEMPERATURE (°C)
–50
FEEDBACK INPUT CURRENT (nA)
400
500
600
150
LT1372 • G11
300
200
0
0
50
100
100
800
700
–25
25
75
125
V
FB
=V
REF
Feedback Input Current
vs Temperature
TEMPERATURE (°C)
–50
–50
NEGATIVE FEEDBACK INPUT CURRENT (µA)
–30
0
0
50
75
LT1372 • G12
–40
–10
–20
–25 25
100
125
150
V
NFB
=V
NFR
Negative Feedback Input Current
vs Temperature
TYPICAL PERFOR A CE CHARACTERISTICS
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