LT3922
VIN = 12V, TA = 25°C, u nless otherwise noted.
Typical perForMance characTerisTics
EN/UVLO Thresholds
EN/UVLO Pin Cu rrent
OVLO Threshold
1.50
1.45
1.40
1.35
1.30
1.25
1.20
3.00
2.50
2.00
1.50
1.00
0.50
0
1.35
1.30
1.25
1.20
1.15
1.10
1.05
RISING
FALLING
V
= 1.2V
RISING
FALLING
EN/UVLO
–45 –20
5
30 55 80 105 130 155
–45 –20
5
30 55 80 105 130 155
TEMPERATURE (°C)
–45 –20
5
30 55 80 105 130 155
TEMPERATURE (°C)
TEMPERATURE (°C)
3922 G01
3922 G02
3922 G03
VIN Shu tdown Cu rrent
VIN Qu iescent Cu rrent
INTVCC Voltage
2.50
2.00
1.50
1.00
0.50
0
3.60
3.40
3.20
3.00
2.80
2.60
2.40
2.20
2.00
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
V
V
V
= 36V
= 12V
= 2.7V
V
V
V
= 36V
= 12V
= 2.7V
V
V
V
= 36V
= 12V
= 2.7V
IN
IN
IN
IN
IN
IN
IN
IN
IN
–45 –20
5
30 55 80 105 130 155
TEMPERATURE (°C)
–45 –20
5
30 55 80 105 130 155
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
TEMPERATURE (°C)
3922 G04
3922 G05
3922 G06
INTVCC Load Regu lation
VREF Voltage
VREF Load Regu lation
3.10
3.05
3.00
2.95
2.90
2.85
2.80
2.02
2.01
2.00
1.99
1.98
1.97
2.02
2.01
2.00
1.99
1.98
1.97
–40°C
25°C
125°C
150°C
–40°C
25°C
125°C
150°C
0
2
4
6
8
10
12
–50 –25
0
25 50 75 100 125 150
0
200
V
400
LOAD CURRENT (µA)
REF
600
800
1000
INTV LOAD CURRENT (mA)
TEMPERATURE (°C)
CC
3922 G07
3922 G08
3922 G09
3922f
5
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Linear Systems [ Linear Systems ]
