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LTC3875
TYPICAL PERFORMANCE CHARACTERISTICS
Undervoltage Lockout Threshold
(INTV
) vs Temperature
CC
5.0
4.8
4.6
RISING
4.4
4.2
4.0
FALLING
3.8
3.6
3.4
3.2
3.0
–50
0
50
TEMPERATURE (°C)
Shutdown Current vs Temperature
50
45
40
35
30
25
20
15
10
–50
–30
–10
10
30
50
TEMPERATURE (°C)
8
Oscillator Frequency
vs Input Voltage
900
800
700
600
500
400
300
200
100
0
0
100
150
3875 G18
Quiescent Current vs Input
Voltage without EXTV
8
7
6
5
4
3
2
1
0
70
90
110
130
0
5
3875 G21
For more information
V
= INTV
FREQ
CC
V
= 1.22V
FREQ
V
= GND
FREQ
10
20
30
40
INPUT VOLTAGE (V)
3875 G19
CC
10
15
20
25
30
35
40
INPUT VOLTAGE (V)
3875 G22
www.linear.com/LTC3875
Shutdown Current
vs Input Voltage
50
45
40
35
30
25
20
15
10
5
0
0
5
10
15
20
INPUT VOLTAGE (V)
Very Low Output Voltage Ripple
V
OUT
TYPICAL
FRONT PAGE
10mV/DIV
AC-COUPLED
V
OUT
LOW RIPPLE
FIGURE 20
10mV/DIV
AC-COUPLED
2µs/DIV
V
= 12V
IN
V
= 2.5V
OUT
35
25
30
40
3875 G20
3875 G23
3875fb
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