LT1950 Linear Technology, LT1950 Datasheet - Page 18

• Manufacturer Part Number: LT1950
• Description: Single Switch PWM Controller
• Manufacturer: Linear Technology

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APPLICATIO S I FOR ATIO
LT1950
18
U
10.5k
1.21k
R1
R2
+V
U
OUT
Figure 14. 4V to 36V Input, 12V/1.5A Automotive SEPIC Converter
2200pF
R4
133k
35.7k
C1
R6
W
C2
0.1 F
16.2k
18k
R3
R5
1
2
3
4
5
6
7
8
71.5k
COMP
FB
R
SYNC
SLOPE
V
SHDN
GND
R7
REF
OSC
U
LT1950
V
BOOST
IN
BLANK
I
PGND
SENSE
GATE
V
V
SEC
V
IN2
IN
3.3V BIAS
16
15
14
13
12
11
10
9
47k
R8
C3
4.7 F
16V
C6
0.01 F
R9, 47
*L2, L3 (COUPLED INDUCTORS)
VP5-0155
L1
4.7 H
BAS516
D2
C
10 F
50V
TDK
C4
4.7 F
16V
IN
L2*
Q1
Si7456
R10
0.010
10 F
50V
V
4V TO 36V
C5
L3*
IN
MBRD660CT
D1
C
47 F, 16V
X5R, TDK
+V
12V, 1.5A
OUT
4
OUT
sn1950 1950fs