Datasheet

LTC3411
20
sn3411 3411fs
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
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www.linear.com  LINEAR TECHNOLOGY CORPORATION 2002
LT/TP 0503 2K • PRINTED IN USA
PV
IN
LTC3411
PGOOD PGOOD
SW
SV
IN
SYNC/MODE
V
FB
I
TH
SHDN/R
T
L1
1µH
V
OUT
1.8V
AT 1.25A
V
IN
2.63V
TO 4.2V
SGND PGND
R5
100k
C4 22pF
R4
154k
R3
15k
R1
698k
R2
887k
3411 TA04
C3
470pF
C7
47pF
C5
1µF
+
C1
33µF
+
C6
1µF
C1, C2: AVX TPSB336K006R0600
C4, C5: TAIYO YUDEN LMK212BJ105MG
L1: COILCRAFT DO1606T-102
C2
33µF
2mm Height, 2MHz, Li-Ion to 1.8V Converter
TYPICAL APPLICATIO
U
LOAD CURRENT (mA)
EFFICIENCY (%)
100
95
90
85
80
75
70
65
60
55
50
1 100 1000 10000
3411 TA05
10
V
OUT
= 1.8V
f
O
= 2MHz
2.5V
3.6V
4.2V
Efficiency vs Load Current
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ThinSOT is a trademark of Linear Technology Corporation.