lt1913 Linear Technology Corporation, lt1913 Datasheet - Page 20

• Manufacturer Part Number: lt1913
• Description: 25v, 3.5a, 2.4mhz Step-down Switching Regulator
• Manufacturer: Linear Technology Corporation

LT1913
TYPICAL APPLICATIONS
20
4.8V TO 25V
4V TO 25V
4.7μF
4.7μF
V
V
IN
IN
D1: ON SEMI MBRA340
D2: MBR0540
L: NEC MPLC0730L3R3
D: ON SEMI MBRA340
L: NEC MPLC0730L3R3
680pF
680pF
15.4k
19k
63.4k
63.4k
ON OFF
ON OFF
3.3V Step-Down Converter
2.5V Step-Down Converter
f = 600kHz
f = 600kHz
RUN/SS
V
RT
PG
SYNC
RUN/SS
V
RT
PG
SYNC
C
C
V
V
IN
IN
LT1913
LT1913
GND
GND
BD
BOOST
BD
BOOST
SW
SW
FB
FB
100k
100k
1μF
D1
0.47μF
D
D2
215k
316k
3.3μH
3.3μH
L
L
1913 TA04
1913 TA03
47μF
V
2.5V
3.5A
47μF
V
3.3V
3.5A
OUT
OUT
1913f