參數(shù)資料
型號: 1725
廠商: Linear Technology Corporation
英文描述: General Purpose Isolated Flyback Controller
中文描述: 通用隔離反激式控制器
文件頁數(shù): 4/28頁
文件大?。?/td> 241K
代理商: 1725
4
LT1725
1725f
TYPICAL PERFOR U
TEMPERATURE (
°
C)
–50
16.00
15.75
15.50
15.25
15.00
14.75
14.50
14.25
25
75
1725 G01
–25
0
50
100
125
V
C
TEMPERATURE (
°
C)
–50
6.50
6.25
6.00
5.75
5.50
5.25
5.00
4.75
25
75
1725
G02
–25
0
50
100
125
V
C
TEMPERATURE (
°
C)
–50
S
μ
A
250
200
150
100
50
0
0
50
75
1725 G03
–25
25
100
125
V
CC
Turn-On Voltage vs
Temperature
V
CC
Hysteresis Voltage vs
Temperature
Start-Up Current vs Temperature
TEMPERATURE (
°
C)
–50
S
13
12
11
10
9
8
0
50
75
1725 G04
–25
25
100
125
TEMPERATURE (
°
C)
–50
1
0
–1
–2
–3
–4
–5
–6
25
75
1725
G05
–25
0
50
100
125
U
μ
A
V
UVLO
= 1.3V
V
UVLO
= 1.2V
TEMPERATURE (
°
C)
–50
O
115
110
105
100
95
90
85
25
75
1725 G06
–25
0
50
100
125
I
SINK
(mA)
1
V
G
1.0
0.8
0.6
0.4
0.2
0
10
100
1000
1725 G07
T
A
= 125
°
C
T
A
= –55
°
C
T
A
= 25
°
C
I
SOURCE
(mA)
1
V
G
0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
10
100
1000
1725 G08
T
A
= 125
°
C
T
A
= –55
°
C
T
A
= 25
°
C
TEMPERATURE (
°
C)
–50
V
C
3.0
2.5
2.0
1.5
1.0
0.5
0
25
75
1725 G09
–25
0
50
100
125
CLAMP VOLTAGE
SWITCHING THRESHOLD
Supply Current vs Temperature
UVLO Pin Input Current vs
Temperature
Oscillator Frequency vs
Temperature
V
GATE
vs I
SINK
V
CC
-V
GATE
vs I
SOURCE
V
C
Clamp Voltage, Switching
Threshold vs Temperature
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