Datasheet

LTC3856
8
3856f
Typical perForMance characTerisTics
Undervoltage Lockout Threshold
(INTV
CC
) vs Temperature
Oscillator Frequency
vs Input Voltage
Shutdown Current
vs Input Voltage
Shutdown Current vs Temperature
Quiescent Current vs Temperature
without EXTV
CC
Shutdown (RUN) Threshold
vs Temperature
Regulated Feedback Voltage
vs Temperature
Oscillator Frequency
vs Temperature
TEMPERATURE (°C)
–50
REGULATED FEEDBACK VOLTAGE (mV)
0.604
0.603
0.602
–25 250 50 75 100 125
0.599
0.598
0.601
0.605
0.600
3856 G16
TEMPERATURE (°C)
–50
FREQUENCY (kHz)
600
700
800
500
400
–25 250 50 75 100 125
100
0
300
900
200
3856 G17
V
FREQ
= INTV
CC
V
FREQ
= GND
V
FREQ
= 1.2V
TEMPERATURE (°C)
–50
SHUTDOWN CURRENT (µA)
60
50
40
–25 250 50 75 100 125
10
0
30
70
20
3856 G21
TEMPERATURE (°C)
–50
QUIESCENT CURRENT (mA)
5
4
–25 250 50 75 100 125
1
0
3
6
2
3856 G22
TEMPERATURE (°C)
–50
RUN PIN VOLTAGE (V)
–25 250 50 75 100 150125
1.15
1.10
1.25
1.20
3856 G15
ON
OFF
TEMPERATURE (°C)
–50
UNDERVOLTAGE LOCKOUT THRESHOLD (INTV
CC
) (V)
3.8
–25 250 50 75 100 125
3.2
3.0
3.6
4.0
3.4
3856 G18
ON
OFF
INPUT VOLTAGE (V)
0
INPUT CURRENT (µA)
40
50
30
20
10 15 25
5
20 30 35 40
10
0
60
3856 G20
INPUT VOLTAGE (V)
5
520
510
500
490
480
25 35
3856 G19
10 15 20 4030
FREQUENCY (kHz)