Datasheet

LTC3850/LTC3850-1
8
38501fc
TYPICAL PERFORMANCE CHARACTERISTICS
Shutdown (RUN) Threshold
vs Temperature
Regulated Feedback Voltage
vs Temperature
Oscillator Frequency
vs Temperature
Undervoltage Lockout Threshold
(INTV
CC
) vs Temperature
Oscillator Frequency
vs Input Voltage
Shutdown Current
vs Temperature
Quiescent Current
vs Temperature without EXTV
CC
Shutdown Current
vs Input Voltage
TEMPERATURE (°C)
–50
1.5
1.4
1.3
1.2
1.1
1.0
25 75
38501 G18
–25 0
50 100
RUN PIN VOLTAGE (V)
ON
OFF
TEMPERATURE (°C)
–50
806
804
802
800
798
796
794
25 75
38501 G19
–25 0
50 100
REGULATED FEEDBACK VOLTAGE (mV)
TEMPERATURE (°C)
–50
900
800
700
600
500
400
300
200
25 75
38501 G20
–25 0
50 100
FREQUENCY (kHz)
V
FREQ
= INTV
CC
V
FREQ
= 1.2V
V
FREQ
= 0V
TEMPERATURE (°C)
–50
5
4
3
2
1
0
25 75
38501 G21
–25 0
50 100
INTV
CC
VOLTAGE (V)
RISING
FALLING
INPUT VOLTAGE (V)
FREQUENCY (kHz)
38501 G22
420
410
400
390
380
5
10 15 20 25
INPUT VOLTAGE (V)
INPUT CURRENT (µA)
38501 G23
50
40
30
20
10
0
5
10 15 20 25
TEMPERATURE (°C)
–50
50
40
30
20
10
0
25 75
38501 G24
–25 0
50 100
SHUTDOWN CURRENT (µA)
V
IN
= 15V
TEMPERATURE (°C)
–50
5
4
3
2
1
0
25 75
38501 G25
–25 0
50 100
QUIESCENT CURRENT (mA)