LT3685 LINER [Linear Technology], LT3685 Datasheet - Page 25

• Manufacturer Part Number: LT3685
• Description: 36V, 4A, 1.5MHz Synchronous Step-Down Switching Regulator
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIONS
6.3V TO 36V
4.5V TO 36V
3.9V TO 36V
1nF
1nF
1nF
V
V
V
IN
IN
IN
15k
22k
15k
680pF
680pF
1nF
10µF
10µF
10µF
ON OFF
ON OFF
ON OFF
0.47µF
0.47µF
0.47µF
3.3V Step-Down Converter
2.5V Step-Down Converter
5V Step-Down Converter
(FIXED FREQUENCY AT V
(FIXED FREQUENCY AT V
ƒ = 600kHz
ƒ = 600kHz
ƒ = 600kHz
UVLO
EN
SS
V
V
SYNC
UVLO
EN
SS
V
V
SYNC
UVLO
EN
SS
V
V
SYNC
C
CCINT
C
CCINT
C
CCINT
V
V
V
IN
IN
IN
LT3690
LT3690
LT3690
GND
GND
GND
BIAS
BIAS
BIAS
IN
IN
< 26V)
< 21V)
BST
BST
BST
SW
SW
SW
PG
PG
PG
RT
RT
RT
FB
FB
FB
0.68µF
0.68µF
32.4k
32.4k
32.4k
MBR0540
1µF
3.3µH
3.3µH
4.7µH
102k
75k
102k
L
316k
L
160k
L
536k
3690 TA03
3690 TA04
3690 TA02
100µF
100µF
47µF
V
3.3V
4A
V
2.5V
4A
V
5V
4A
OUT
OUT
OUT
LT3690
25
3690f