Datasheet

LT4430
4
4430fc
For more information www.linear.com/LT4430
Typical perForMance characTerisTics
Feedback Reference Voltage
vs Temperature
FB Voltage Line Regulation
FB Input Bias Current
vs Temperature
TEMPERATURE (°C)
–75 –50
0.594
0.595
V
FB
(V)
0.596
0.598
0.600
0.602
0 50
100
150
4430 G03
0.604
0.597
0.599
0.601
0.603
0.605
0.606
–25 25
75
125
V
IN
(V)
0
0.5990
V
FB
(V)
0.5995
0.6000
0.6005
4 8
12
20
4430 G04
0.6010
2 6
10
14
16
18
T
A
= 25°C
TEMPERATURE (°C)
–75 –50
–200
–175
FB INPUT BIAS CURRENT (nA)
–150
–100
–50
0
0 50
100
150
4430 G05
–125
–75
–25
25
50
–25 25
75
125
OC Charging Current
vs Input Voltage
OC Charging Current
vs Temperature
OC Clamp Voltage
vs Temperature
OC Amplifier Offset Voltage
vs Temperature
V
IN
(V)
0
OC CHARGING CURRENT (µA)
5 10 15
4430 G06
20
15
13
11
9
7
5
TEMPERATURE (°C)
–75 –50
5
OC CHARGING CURRENT (µA)
7
9
11
13
0 50
100
150
4430 G07
15
–25 25
75
125
V
IN
= 5V
TEMPERATURE (°C)
–75 –50
0.5
OC CLAMP VOLTAGE (V)
0.7
0.9
1.1
1.3
0 50
100
150
4430 G08
1.5
–25 25
75
125
TEMPERATURE (°C)
–75 –50
0
10
V
OC
– V
FB
(mV)
20
40
60
80
0 50
100
150
4430 G09
30
50
70
90
100
–25 25
75
125
Quiescent Current vs Temperature
Undervoltage Lockout Threshold
vs Temperature
TEMPERATURE (°C)
–50–75
1.0
QUIESCENT CURRENT (mA)
1.5
2.0
2.5
3.0
0 50
100
150
4430 G01
3.5
4.0
–25 25
75
125
V
IN
= 3V
V
IN
= 20V
TEMPERATURE (°C)
–75 –50
1.0
V
UVLO
(V)
1.5
2.0
2.5
0 50
100
150
4430 G02
3.0
–25 25
75
125