lt1913 Linear Technology Corporation, lt1913 Datasheet - Page 8

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

BLOCK DIAGRAM
LT1913
8
V
IN
R
C1
T
10
4
5
6
7
V
RUN/SS
RT
PG
SYNC
IN
SOFT-START
GND
11
INTERNAL 0.79V REF
+
–
R2
0.7V
8
FB
R1
ERROR AMP
+
–
∑
200kHz TO 2.4MHz
SLOPE COMP
OSCILLATOR
–
+
V
R
S
SWITCH
C
LATCH
CLAMP
Q
BOOST
SW
BD
V
C
1
2
3
9
R
D1
C
C
C3
C
L1
C
F
C2
1913 BD
1913f
V
OUT