Datasheet

3
LT1303/LT1303-5
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
SWITCH CURRENT (A)
0.1
V
CESAT
(mV)
150
200
250
225
175
125
75
25
0.8
LT1303 G01
100
50
0
0.21.0 0.3 0.5 0.7 0.9
0.4
0.6
1.0
LT1303 FB Voltage
TEMPERATURE (°C)
–50
100
V
CESAT
(mV)
120
130
140
150
160
170
–25
0
25 50
LT1303 G02
75
180
190
200
110
100
I
SW
= 700mA
LT1303-5 Sense Pin Resistance
to Ground
Low Battery Detect Trip PointLT1303-5 Sense Voltage
TEMPERATURE (˚C)
–50

700
800
900
25 75
LT1303 GO3
600
500
–25 0
50 100
400
300
RESISTANCE (kΩ)
1000
V
CESAT
vs Switch Current
LBI Pin Bias Current
FB Pin Bias Current
Switch Current Limit
TEMPERATURE (°C)
–50
1.200
FEEDBACK VOLTAGE (V)
1.210
1.215
1.220
1.225
1.230
1.235
–25
0
25 50
LT1330 G04
75
1.240
1.245
1.250
1.205
100
TEMPERATURE (°C)
–50
1.200
LBI VOLTAGE (V)
1.210
1.215
1.220
1.225
1.230
1.235
–25
0
25 50
LT1303 G06

75
1.240
1.245
1.250
1.205
100
TEMPERATURE (°C)
–50
4.90
SENSE VOLTAGE (V)
4.94
4.96
4.98
5.00
5.02
5.04
–25
0
25 50
LT1303 G05
75
5.06
5.08
5.10
4.92
100
TEMPERATURE (°C)
–50
0
BIAS CURRENT (nA)
4
6
8
10
12
14
–25
0
25 50
LT1303 G07
75
16
18
20
2
100
TEMPERATURE (°C)
–50 –25 25 75
0.60
SWITCH CURRENT (A)
0.70
0.90
1.00
1.10
50
1.50
LT1303 G09
0.80
0 100
1.20
1.30
1.40
V
IN
= 2V
TEMPERATURE (°C)
–50
0
BIAS CURRENT (nA)
4
6
8
10
12
14
–25
0
25 50
LT1303 G08
75
16
18
20
2
100
V
CESAT
vs Temperature