參數(shù)資料
型號: LT1373
廠商: Linear Technology Corporation
英文描述: 250kHz Low Supply Current High Efficiency 1.5A Switching Regulator(250kHz ,低電源電流1.5A,高效率開關(guān)穩(wěn)壓器)
中文描述: 250kHz至低電源電流高效率1.5A的開關(guān)穩(wěn)壓器(250kHz至,低電源電流1.5A的,高效率開關(guān)穩(wěn)壓器)
文件頁數(shù): 4/12頁
文件大?。?/td> 188K
代理商: LT1373
4
LT1373
Shutdown Delay and Threshold
vs Temperature
Error Amplifier Output Current
vs Feedback Pin Voltage
TEMPERATURE (
°
C)
–50
0
S
μ
s
S
2
6
8
10
20
14
0
50
75
LT1373 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
TEMPERATURE (
°
C)
–50
0
M
P
)
0.5
1.0
1.5
2.0
0
50
100
150
LT1373 G05
2.5
3.0
–25
25
75
125
f
SYNC
= 330kHz
Minimum Synchronization
Voltage vs Temperature
FEEDBACK PIN VOLTAGE (V)
100
E
μ
A
–75
–50
–25
75
25
–0.1
0.1
50
0
–0.3
–0.2
V
REF
–55
°
C
125
°
C
25
°
C
LT1373 G06
S/S Pin Input Current
vs Voltage
S/S PIN VOLTAGE (V)
–1
S
μ
A
1
3
5
7
LT1373 G07
–1
–3
0
2
4
–2
–4
–5
1
3
5
0
8
2
4
6
9
V
IN
= 5V
Error Amplifier Transconductance
vs Temperature
Switching Frequency
vs Feedback Pin Voltage
FEEDBACK PIN VOLTAGE (V)
0
S
70
90
110
0.8
LT1373 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
T
μ
m
200
500
0
50
75
LT1373 G09
100
400
300
–25
25
100 125
150
g
m
=
I (V
C
)
V (FB)
V
C
Pin Threshold and High
Clamp Voltage vs Temperature
Negative Feedback Input
Current vs Temperature
Feedback Input Current
vs Temperature
TEMPERATURE (
°
C)
–50
0.4
V
C
0.6
1.0
1.2
1.4
2.4
1.8
0
50
75
LT1373 G10
0.8
2.0
2.2
1.6
–25
25
100 125
150
V
C
HIGH CLAMP
V
C
THRESHOLD
TEMPERATURE (
°
C)
–50
F
200
250
300
150
LT1373 G11
150
100
0
0
50
100
50
400
350
–25
25
75
125
V
FB
= V
REF
TEMPERATURE (
°
C)
–50
–20
N
μ
A
–12
–14
0
0
50
75
LT1373 G12
–16
–18
–4
–6
–2
–8
–10
–25
25
100 125
150
V
NFB
= V
NFR
TYPICAL PERFOR U
相關(guān)PDF資料
PDF描述
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