LTC3600 LINER [Linear Technology], LTC3600 Datasheet - Page 7

• Manufacturer Part Number: LTC3600
• Description: 15V, 1.5A Synchronous Rail-to-Rail Single Resistor
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
5V/DIV
2V/DIV
V
1.60
1.55
1.50
1.45
1.40
RUN
OUT
I
L
–60 –40
MODE = CCM
NO PREBIASED V
V
V
Rising RUN Threshold vs
Temperature
Start-Up Waveform
IN
OUT
= 12V
= 3.3V
–20
0
TEMPERATURE (°C)
5V/DIV
2V/DIV
1A/DIV
V
RUN
OUT
OUT
20
I
1ms/DIV
L
Start-Up Waveform
MODE = DCM
V
V
V
40
OUT
IN
OUT
= 12V
60 80 100 120
IS PREBIASED TO 2V
= 3.3V
1ms/DIV
3600 G18
3600 G21
140
1A/DIV
5V/DIV
2V/DIV
V
RUN
100
OUT
20
10
90
80
70
60
50
40
30
I
0
0.001
L
Start-Up Waveform
Efficiency vs Load Current
V
MODE = DCM
NO PREBIASED V
V
V
3600 G24
IN
OUT
OUT
= 12V
= 3.3V
DCM
= 3.3V, V
0.01
LOAD CURRENT (A)
OUT
1ms/DIV
IN
CCM
0.1
= 12V
10V/DIV
5V/DIV
1V/DIV
V
OUT
SW
V
IN
V
1
V
V
I
V
MODE = CCM
OUT
IN
IN
OUT
IN
= 12V TO 18V TO 12V
RESISTOR = 30Ω
Overvoltage
= 1A
= 3.3V
3600 G22
3600 G19
10
20ms/DIV
1A/DIV
5V/DIV
2V/DIV
V
RUN
100
OUT
20
10
90
80
70
60
50
40
30
0
0.001
I
L
Start-Up Waveform
MODE = CCM
V
V
V
Efficiency vs Load Current
V
OUT
IN
OUT
OUT
= 12V
= 3.3V
IS PREBIASED TO 2V
= 1.2V, V
0.01
3600 G25
DCM
LOAD CURRENT (A)
1ms/DIV
IN
LTC3600
0.1
CCM
= 12V
1
3600 G23
3600fb
3600 G20
7
10