lt3481imse-trpbf Linear Technology Corporation, lt3481imse-trpbf Datasheet - Page 20

• Manufacturer Part Number: lt3481imse-trpbf
• Description: 36v, 2a, 2.8mhz Step-down Switching Regulator With 50?a Quiescent Current
• Manufacturer: Linear Technology Corporation

LT3481
TYPICAL APPLICATIONS
20
SIGNAL UNTIL PGOOD GOES HIGH
3.3V SQ WAVE 300kHz TO 375kHz
NOTE: DO NOT APPLY SYNC
SYNC IN
PGOOD
15V TO 34V
20V TO 34V
10µF
V
IN
4.7µF
V
IN
D: DIODES INC. DFLS240L
L: NEC/TOKIN PLC-0755-100
330pF
D: DIODES INC. DFLS240L
L: NEC/TOKIN PLC-0755-8R2
1000pF
30k
8.2pF
11.8k
60.4k
ON OFF
5V Step-Down Converter with Sync Input
226k
ON OFF
f = 800kHz
12V Step-Down Converter
100k
RUN/SS
V
RT
PG
C
V
OUT
V
f = 250kHz
IN
LT3481
RUN/SS
V
RT
PG
GND
C
V
IN
BD
LT3481
BOOST
GND
BIAS
SW
FB
BD
BOOST
BIAS
SW
FB
100k
0.47µF
0.47µF
D
10k
845k
D
10µH
L
29.4k
3481 TA06
8.2µH
L
75pF
3481 TA07
22µF
V
12V
2A
OUT
47µF
V
5V
2A
OUT
3481f