Datasheet

LT3958
6
3958fa
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INTV
CC
Line Regulation
INTV
CC
Dropout Voltage
vs Current, Temperature
INTV
CC
vs Temperature INTV
CC
Load Regulation
TEMPERATURE (°C)
–50
7.0
INTV
CC
(V)
7.1
7.2
7.3
7.4
0
50
75
–25
25
100
125
3958 G13
INTV
CC
LOAD (mA)
0
6.8
7
7.1
7.2
7.3
10
20 25
6.9
5
15
3958 G14
INTV
CC
VOLTAGE (V)
V
IN
= 8V
V
IN
(V)
0
INTV
CC
VOLTAGE (V)
7.25
7.20
20 30
50
10
40
60 70 80
7.15
7.10
7.30
3958 G15
INTV
CC
LOAD (mA)
0
DROPOUT VOLTAGE (mV)
700
600
800
400
500
200
300
4
2
6 8 10
100
0
900
3958 G16
125°C
25°C
0°C
–40°C
75°C
Internal Switch On-Resistance
vs Temperature
TEMPERATURE (°C)
–50
ON-RESISTANCE (mΩ)
120
140
160
100
80
–25 250 50 75 100 125
20
0
60
180
40
3958 G17
Internal Switch On-Resistance
vs INTV
CC
INTV
CC
(V)
4
ON-RESISTANCE (mΩ)
98
100
96
94
6 7 8 9
5
1110 12
92
90
88
102
3958 G18
Typical perForMance characTerisTics
T
A
= 25°C, unless otherwise noted.
EN/UVLO Threshold
vs Temperature
EN/UVLO Current vs Voltage
EN/UVLO Hysteresis Current
vs Temperature
TEMPERATURE (°C)
–50
1.18
1.22
1.24
1.28
0
50
75
1.20
–25
25
100
125
1.26
3958 G10
EN/UVLO VOLTAGE (V)
EN/UVLO RISING
EN/UVLO FALLING
EN/UVLO VOLTAGE (V)
0
0
EN/UVLO CURRENT (µA)
20
20 6040
40
50
10
30
80
3958 G11
TEMPERATURE (°C)
–50
1.6
I
EN/UVLO
(µA)
1.8
2.0
2.2
2.4
0
50
75
–25
25
100
125
3958 G12
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