LT1303 查看數據表（PDF） - Linear Technology
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LT1303 Datasheet PDF : 12 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LT1303/LT1303-5
VCESAT vs Switch Current
250
225
200
175
150
125
100
75
50
25
0
0.1 1.0 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
SWITCH CURRENT (A)
LT1303 G01
LT1303 FB Voltage
1.250
1.245
1.240
1.235
1.230
1.225
1.220
1.215
1.210
1.205
1.200
–50 –25 0 25 50
TEMPERATURE (°C)
75 100
LT1330 G04
LBI Pin Bias Current
20
18
16
14
12
10
8
6
4
2
0
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
LT1303 G07
VCESAT vs Temperature
200
ISW = 700mA
190
180
170
160
150
140
130
120
110
100
–50 –25 0
25 50
TEMPERATURE (°C)
LT1303-5 Sense Voltage
5.10
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
–50 –25 0
25 50
TEMPERATURE (°C)
FB Pin Bias Current
20
18
16
14
12
10
8
6
4
2
0
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
LT1303 G02
75 100
LT1303 G05
75 100
LT1303 G08
LT1303-5 Sense Pin Resistance
to Ground
1000
900
800
700
600
500
400
300
–50 –25
0 25 50
TEMPERATURE (˚C)
75 100
LT1303 GO3
Low Battery Detect Trip Point
1.250
1.245
1.240
1.235
1.230
1.225
1.220
1.215
1.210
1.205
1.200
–50 –25 0
25 50 75 100
TEMPERATURE (°C)
LT1303 G06
Switch Current Limit
1.50
VIN = 2V
1.40
1.30
1.20
1.10
1.00
0.90
0.80
0.70
0.60
–50 –25
0 25
50 75 100
TEMPERATURE (°C)
LT1303 G09
3
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