lt3663 Linear Technology Corporation, lt3663 Datasheet - Page 10

• Manufacturer Part Number: lt3663
• Description: 1.2a, 1.5mhz Step-down Switching Regulator With Output Current Limit
• Manufacturer: Linear Technology Corporation

LT3663
TYPICAL APPLICATIONS
10
7.5V TO 36V
D1: DIODES INC, DFLS260
L: TDK, VLCF5020T-6R8N1R3-1
TRANSIENT
TO 60V
V
IN
4.7μF
ON OFF
R
28.7k
C1
ILIM
5V Step-Down Converter
V
RUN
I
LIM
IN
LT3663
GND
BOOST
I
SENSE
V
3663 TA02
7.5V TO 23V
OUT
SW
D1: DIODES INC, DFLS240
D3: ON SEMI, MBR0540
L: TDK, VLCF5020T-3R3N2R0-1
FB
V
IN
4.7μF
R1
59k
R2
11k
C1
D1
C3
0.1μF
ON OFF
R
28.7k
ILIM
L
6.8μH
1.2V Step-Down Converter
C2
22μF
V
RUN
I
LIM
IN
V
5V
1.2A
OUT
LT3663
GND
D3
BOOST
I
SENSE
V
3663 TA05
OUT
SW
D1: DIODES INC, DFLS260
D3: ON SEMI, MBR0560
L: TDK, VLCF5020T-3R3N2R0-1
7.5V TO 36V
FB
TRANSIENT
TO 60V
V
IN
R1
49.9k
R2
100k
D1
C3
0.22μF
4.7μF
ON OFF
28.7k
R
ILIM
C1
L
3.3μH
C2
22μF
2.5V Step-Down Converter
V
RUN
I
LIM
IN
V
1.2V
1.2A
OUT
LT3663
GND
BOOST
I
SENSE
V
3663 TA04
OUT
SW
FB
R1
210k
R2
100k
D1
C3
1μF
L
3.3μH
C2
22μF
D3
V
2.5V
1.2A
3663fa
OUT