LTC3561
16
3561f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2006
LT 0406 • PRINTED IN USA
PV
IN
LTC3561
SW
SV
IN
V
FB
I
TH
SHDN/R
T
L1
1µH
V
OUT
1.8V
AT 1A
V
IN
2.63V
TO 4.2V
SGND PGND
C4 10pF
R4
154k
R3
10k
R1
200k
R2
294k
3561 TA04
C3
1000pF
C7
47pF
C1
10µF
C1, C2: AVX 08056D106M
L1: TDK VLF3010ATIR5NIRZ
C2
2 x 10µF
1mm Height, 2MHz, Li-Ion to 1.8V Converter
TYPICAL APPLICATIO
U
I
LOAD
(mA)
1
40
EFFICIENCY (%)
80
90
100
10 100 1000
3561 TA05
70
60
50
V
OUT
= 1.8V
2.7V
4.2V
3.6V
Efficiency vs Load Current
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ThinSOT is a trademark of Linear Technology Corporation.
