LTC3780EG Linear Technology, LTC3780EG Datasheet - Page 6

• Manufacturer Part Number: LTC3780EG
• Description: IC,SMPS CONTROLLER,CURRENT-MODE,CMOS,SSOP,24PIN,PLASTIC
• Manufacturer: Linear Technology

100mV/DIV
LTC3780
100mV/DIV
500mV/DIV
6
TYPICAL PERFOR A CE CHARACTERISTICS
10V/DIV
10V/DIV
10V/DIV
10V/DIV
10V/DIV
10V/DIV
1A/DIV
2A/DIV
2A/DIV
V
V
V
SW2
SW1
SW2
SW1
SW2
SW1
OUT
OUT
OUT
I
I
I
L
L
L
Discontinuous Current Mode
(DCM, V
Burst Mode Operation
(V
Discontinuous Current Mode
(DCM, V
V
V
V
V
V
V
IN
OUT
IN
OUT
IN
OUT
IN
= 6V
= 6V
= 6V
= 12V
= 12V
= 6V, V
= 12V
IN
IN
= 6V, V
= 6V, V
OUT
25µs/DIV
5µs/DIV
5µs/DIV
= 12V)
OUT
OUT
= 12V)
= 12V)
W
U
3780 G16
3780 G10
3780 G13
100mV/DIV
100mV/DIV
200mV/DIV
10V/DIV
10V/DIV
10V/DIV
10V/DIV
10V/DIV
10V/DIV
2A/DIV
2A/DIV
2A/DIV
V
V
V
SW2
SW1
SW2
SW1
SW2
SW1
OUT
OUT
OUT
I
I
I
L
L
L
Continuous Current Mode
(CCM, V
Discontinuous Current Mode
(DCM, V
V
V
V
V
Burst Mode Operation
(V
V
V
IN
OUT
IN
OUT
IN
OUT
IN
= 12V
= 12V
= 12V
= 12V
= 12V
= 12V
= 12V, V
IN
IN
= 12V, V
= 12V, V
OUT
10µs/DIV
5µs/DIV
5µs/DIV
= 12V)
OUT
OUT
= 12V)
= 12V)
T
A
3780 G17
3780 G11
3780 G14
= 25°C unless otherwise noted.
100mV/DIV
100mV/DIV
100mV/DIV
10V/DIV
10V/DIV
10V/DIV
10V/DIV
10V/DIV
10V/DIV
1A/DIV
1A/DIV
2A/DIV
V
V
V
SW2
SW1
SW2
SW1
SW2
SW1
OUT
OUT
OUT
I
I
I
L
L
L
Skip Cycle Mode
(V
Discontinuous Current Mode
(DCM, V
Continuous Current Mode
(CCM, V
V
V
V
V
V
V
IN
OUT
IN
OUT
IN
OUT
IN
= 18V
= 18V
= 18V
= 12V
= 12V
= 12V
= 18V, V
IN
IN
= 18V, V
= 18V, V
OUT
2.5µs/DIV
2.5µs/DIV
5µs/DIV
= 12V)
OUT
OUT
= 12V)
= 12V)
3780 G15
3780 G18
3780 G12
3780f