LT1304/LT1304-3.3/LT1304-5
ELECTRICAL CHARACTERISTICS VIN = 2V, VSHDN = 2V unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Switch Saturation Voltage
I
I
= 1A
0.37
0.26
V
V
SW
SW
= 700mA
●
●
0.35
7
Switch Leakage
Switch Off, V = 5V
0.01
µA
SW
The
● denotes specifications which apply over the 0°C to 70°C operating
temperature range.
U W
TYPICAL PERFORMANCE CHARACTERISTICS
Switch Saturation Voltage
Peak Switch Current Limit
On- and Off-Times
500
400
300
200
100
0
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
8
7
6
5
4
3
2
1
0
T
= 25°C
A
MAXIMUM ON-TIME
OFF-TIME
75
0
0.4
0.6
0.8
1.0
1.2
–50
–25
0
25
50
100
0.2
–50
0
25
50
75
100
–25
TEMPERATURE (°C)
SWITCH CURRENT (A)
TEMPERATURE (°C)
1304 G01
1304 G02
1304 G03
Supply Current
Feedback Pin Bias Current
Feedback Voltage
1.250
1.245
1.240
1.235
1.230
1.225
1.220
1.215
1.210
1.205
1.200
300
250
200
150
100
50
20
18
T
A
= 25°C
16
14
12
V
SHDN
= V
IN
NOT SWITCHING
10
8
6
4
2
0
V
= 0V
4
SHDN
0
–50
0
25
50
75
100
0
1
2
3
5
6
7
8
–25
–50 –25
25
50
75
100
0
TEMPERATURE (°C)
INPUT VOLTAGE (V)
TEMPERATURE (°C)
1304 G04
1304 G06
1304 G05
3
Linear [ Linear ]
