參數(shù)資料
型號(hào): LT1105
廠商: Linear Technology Corporation
元件分類: 通用總線功能
英文描述: 4-Bit Synchronous Up/Down Binary Counters 16-SOIC 0 to 70
中文描述: 離線開(kāi)關(guān)穩(wěn)壓器
文件頁(yè)數(shù): 9/32頁(yè)
文件大?。?/td> 452K
代理商: LT1105
9
LT1103/LT1105
C
HARA TERISTICS
U
A
TYPICAL PERFOR
CE
TEMPERATURE (°C)
–75
E
μ
A 350
125
LT1103 G31
250
200
150
–25
25
75
175
–50
0
50
100
150
300
325
275
225
175
Error Amplifier Source Current vs
Temperature
LT1103 Output Switch Leakage
Current vs Temperature
V
C
Switching Threshold Voltage
vs Temperature
Error Amplifier Low Clamp
Voltage vs Temperature
(FB = 4.75V)
TEMPERATURE (°C)
–75
0.3
E
0.4
0.5
0.6
0.7
0.8
0.9
–25
25
75
125
LT1103 G34
175
–50
0
50
100
150
TEMPERATURE (°C)
–75
V
C
1.1
1.3
1.5
125
LT1103 G35
0.9
0.7
0.5
–25
25
75
175
150
100
50
0
–50
TEMPERATURE (°C)
–75
L
μ
A
120
160
200
125
LT1103 G36
80
40
0
–25
25
75
175
150
100
50
0
–50
V
SW
= 45V
V
SW
= 15V
LT1103 V
SW
Current Limit vs
Temperature
TEMPERATURE (°C)
–75
L
S
2.6
2.8
3.0
125
LT1103 G40
2.4
2.2
2.0
–25
25
75
175
2.1
2.3
2.5
2.7
2.9
–50
0
50
100
150
DC = 25%
LT1103 V
SW
Current Limit vs
Duty Cycle
DUTY CYCLE (%)
0
0
L
S
0.5
1.0
1.5
2.0
20
40
60
80
LT1103 G39
2.5
3.0
10
30
50
70
25°C
125°C
–55°C
LT1103 Switch Saturation Voltage
vs Temperature
TEMPERATURE (°C)
–75
0
L
0.2
0.4
0.6
0.8
1.0
1.2
–25
25
75
125
LT1103 G38
175
–50
0
50
100
150
I
SW
= 1.5A
I
SW
= 0.5A
TEMPERATURE (°C)
–75
1.5
E
2.0
2.5
3.0
3.5
4.0
4.5
–25
25
75
125
LT1103 G32
175
–50
0
50
100
150
Error Amplifier Sink Current vs
Temperature
TEMPERATURE (°C)
–75
E
4.3
4.4
4.5
125
LT1103 G33
4.2
4.1
4.0
–25
25
75
175
150
100
50
0
–50
Error Amplifier High Clamp
Voltage vs Temperature
(FB = 4V)
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