16
LT1676
LINEAR TECHNOLOGY CORPORATION 1998
1676f LT/TP 0499 4K • PRINTED IN USA
TYPICAL APPLICATION
U
Minimum Inductor Size Application
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear-tech.com
C1: PANASONIC HFQ
C2: AVX D CASE TPSD107M010R0080
C4, C5: X7R OR COG/NPO
C1
12µF
63V
1676 TA02
V
IN
12V TO
48V
+
C2
100µF
10V
+
D1
R1
36.5k
1%
V
OUT
5V
0mA to 150mA
R2
12.1k
1%
R3
22k
5%
L1
220µH
C3
2200pF
X7R
C4
100pF
C5
100pF
D1: MOTOROLA 100V, 1A, SMD SCHOTTKY
MBRS1100 (T3)
L1: COILCRAFT DO1608C-224
FOR 3.3V V
OUT
VERSION:
I
OUT
: 0mA TO 200mA
L1: 150µH, DO1608C-154
R1: 24.3K, R2: 14.7k
V
CC
V
SW
LT1676
FB
V
C
SYNC
2
5
4
3
7
8
1
6
GND
V
IN
SHDN
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