lt3685emse-trpbf Linear Technology Corporation, lt3685emse-trpbf Datasheet - Page 20

• Manufacturer Part Number: lt3685emse-trpbf
• Description: 38v, 2a, 2.4mhz Step-down Switching Regulator
• Manufacturer: Linear Technology Corporation

LT3685
TYPICAL APPLICATIONS
20
TRANSIENT TO 36V
8.6V TO 22V
TRANSIENT
4V TO 38V
TO 60V*
2.2μF
4.7μF
V
IN
V
IN
D: DIODES INC. DFLS240L
L: SUMIDA CDRH4D22/HP-2R2
470pF
D1: DIODES INC. DFLS240L
D2: MBR0540
L: TAIYO YUDEN NP06DZB4R7M
*USE SCHOTTKY DIODE RATED AT V
330pF
14k
20k
11.5k
56.2k
ON OFF
ON OFF
5V, 2MHz Step-Down Converter
f = 2MHz
2.5V Step-Down Converter
f = 600kHz
RUN/SS
V
R
PG
SYNC
RUN/SS
C
V
R
PG
SYNC
T
C
T
V
IN
V
IN
LT3685
GND
R
LT3685
GND
>45V.
BD
BOOST
BD
BOOST
SW
FB
SW
FB
100k
100k
0.47μF
1μF
D
D1
536k
D2
215k
2.2μH
4.7μH
L
L
3685 TA05
3685 TA04
22μF
V
5V
2A
47μF
OUT
V
2.5V
2A
OUT
3685f