lt3580ems8e-trpbf Linear Technology Corporation, lt3580ems8e-trpbf Datasheet - Page 6

• Manufacturer Part Number: lt3580ems8e-trpbf
• Description: Boost/inverting Dc/dc Converter With 2a Switch, Soft-start, And Synchronization
• Manufacturer: Linear Technology Corporation

BLOCK DIAGRAM
LT3580
6
SHDN
V
FB
IN
5
3
1
1.3V
REFERENCE
UVLO
1.215V
–
+
14.6k
14.6k
+
–
+
–
DISCHARGE
DETECT
A1
A2
R
S
SR2
Q
7
Q2
SS
275k
FREQUENCY
FOLDBACK
START
SOFT-
C
SS
VC
I
÷N
SYNC
LIMIT
ADJUSTABLE
OSCILLATOR
GENERATOR
BLOCK
SYNC
2
8
RAMP
VC
R
Σ
C
6
–
+
R
RT
T
A3
C
COMPARATOR
C
R
SR1
S
Q
A4
DRIVER
V
IN
+
–
GND
C
SW
IN
4
9
Q1
0.01Ω
L1
D1
C1
R
FB
V
OUT
3580fa