ltc3853euj Linear Technology Corporation, ltc3853euj Datasheet - Page 7

• Manufacturer Part Number: ltc3853euj
• Description: Triple Output, Multiphase Synchronous Step-down Controller
• Manufacturer: Linear Technology Corporation

TYPICAL PERFORMANCE CHARACTERISTICS
1.75
1.65
1.55
1.45
1.35
1.25
900
800
700
600
500
400
200
300
60
50
40
30
20
–50
–50
5
Shutdown Current
vs Input Voltage
TK/SS Pull-Up Current
vs Temperature
Oscillator Frequency
vs Temperature
–25
–25
10
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
V
FREQ
V
V
FREQ
25
25
FREQ
= INTV
15
= 1.2V
= 0V
50
50
CC
75
75
20
100
100
3853 G23
3853 G17
3853 G20
125
125
25
4.25
4.00
3.75
3.50
3.25
3.00
1.3
1.1
1.0
1.4
1.2
50
70
60
40
30
20
–50
–50
–50
Undervoltage Lockout Threshold
(INTV
Shutdown Current
vs Temperature
Shutdown (RUN) Threshold
vs Temperature
V
IN
–25
–25
= 12V
–25
CC
) vs Temperature
0
0
TEMPERATURE (°C)
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
FALLING
25
RISING
OFF
ON
50
50
50
75
75
75
100 125
100
100
3853 G21
3853 G18
3853 G24
125
150
125
806
804
802
800
798
796
794
500
450
400
350
300
6
4
3
5
–50
–50
5
Regulated Feedback Voltage
vs Temperature
Oscillator Frequency
vs Input Voltage
Quiescent Current
vs Temperature Without EXTV
–25
–25
10
0
TEMPERATURE (°C)
INPUT VOLTAGE (V)
TEMPERATURE (˚C)
0
25
25
15
LTC3853
50
50
75
20
75
100
CC
3853 G25
3853 G19
3853 G22
7
100
3853f
125
25