LTC3856 LINER [Linear Technology], LTC3856 Datasheet - Page 8

• Manufacturer Part Number: LTC3856
• Description: 2-Phase Synchronous Step-Down DC/DC Controller with Diffamp
• Manufacturer: LINER [Linear Technology]

LTC3856
Typical perForMance characTerisTics

1.25
1.10
1.20
1.15
3.0
4.0
3.8
3.6
3.4
3.2
–50 –25
–50
Shutdown (RUN) Threshold
vs Temperature
Undervoltage Lockout Threshold
(INTV
–25
CC
) vs Temperature
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
70
60
50
40
30
20
10
25
0
–50
25
Shutdown Current vs Temperature
ON
OFF
ON
OFF
50
–25
50
75
0
75
TEMPERATURE (°C)
100
25
100
125
3856 G15
3856 G18
150
50
125
75
0.605
0.604
0.598
0.603
0.602
0.601
0.600
0.599
520
510
500
490
480
100
–50
5
Regulated Feedback Voltage
vs Temperature
Oscillator Frequency
vs Input Voltage
3856 G21
125
–25
10
15
0
TEMPERATURE (°C)
INPUT VOLTAGE (V)
25
20
50
25
30
75
0
6
5
4
3
2
1
–50
Quiescent Current vs Temperature
without EXTV
100
35
–25
3856
3856 G16
G19
125
40
0
TEMPERATURE (°C)
CC
25
900
800
700
600
500
400
300
200
100
60
40
30
20
50
10
0
0
50
–50
0
Oscillator Frequency
vs Temperature
Shutdown Current
vs Input Voltage
75
–25
5
10
100
V
0
TEMPERATURE (°C)
V
V
INPUT VOLTAGE (V)
FREQ
FREQ
FREQ
3856 G22
15
125
25
= INTV
= 1.2V
= GND
20
50
CC
25
75
30
100
35
3856 G17
3856 G20
3856f
125
40