Datasheet

LTC3780
7
Rev G
For more information www.analog.com
Continuous Current Mode
(CCM, V
IN
= 6V, V
OUT
= 12V)
Continuous Current Mode
(CCM, V
IN
= 12V, V
OUT
= 12V)
Continuous Current Mode
(CCM, V
IN
= 18V, V
OUT
= 12V)
Burst Mode Operation
(V
IN
= 6V, V
OUT
= 12V)
Burst Mode Operation
(V
IN
= 12V, V
OUT
= 12V)
Skip-Cycle Mode
(V
IN
= 18V, V
OUT
= 12V)
Discontinuous Current Mode
(DCM, V
IN
= 6V, V
OUT
= 12V)
Discontinuous Current Mode
(DCM, V
IN
= 12V, V
OUT
= 12V)
Discontinuous Current Mode
(DCM, V
IN
= 18V, V
OUT
= 12V)
TYPICAL PERFORMANCE CHARACTERISTICS
SW2
10V/DIV
SW1
10V/DIV
V
OUT
100mV/DIV
5µs/DIVV
IN
= 6V
V
OUT
= 12V
3780 G10
I
L
2A/DIV
SW2
10V/DIV
SW1
10V/DIV
V
OUT
100mV/DIV
5µs/DIVV
IN
= 12V
V
OUT
= 12V
3780 G11
I
L
2A/DIV
SW2
10V/DIV
SW1
10V/DIV
V
OUT
100mV/DIV
5µs/DIVV
IN
= 18V
V
OUT
= 12V
3780 G12
I
L
2A/DIV
SW2
10V/DIV
SW1
10V/DIV
V
OUT
500mV/DIV
25µs/DIVV
IN
= 6V
V
OUT
= 12V
3780 G13
I
L
2A/DIV
SW2
10V/DIV
SW1
10V/DIV
V
OUT
200mV/DIV
10µs/DIVV
IN
= 12V
V
OUT
= 12V
3780 G14
I
L
2A/DIV
SW2
10V/DIV
SW1
10V/DIV
V
OUT
100mV/DIV
2.5µs/DIVV
IN
= 18V
V
OUT
= 12V
3780 G15
I
L
1A/DIV
SW2
10V/DIV
SW1
10V/DIV
V
OUT
100mV/DIV
5µs/DIVV
IN
= 6V
V
OUT
= 12V
3780 G16
I
L
1A/DIV
SW2
10V/DIV
SW1
10V/DIV
V
OUT
100mV/DIV
5µs/DIVV
IN
= 12V
V
OUT
= 12V
3780 G17
I
L
2A/DIV
SW2
10V/DIV
SW1
10V/DIV
V
OUT
100mV/DIV
2.5µs/DIVV
IN
= 18V
V
OUT
= 12V
3780 G18
I
L
1A/DIV
T
A
= 25°C, unless otherwise noted.
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.