Datasheet

LT3482
12
3482fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2006
LT 0207 REV A • PRINTED IN USA
PART NUMBER DESCRIPTION COMMENTS
LT1930/LT1930A 1A (I
SW
), 1.2MHz/2.2MHz High Effi ciency Step-Up
DC/DC Converters
V
IN
: 2.6V to 16V, V
OUT(MAX)
= 34V, I
Q
= 4.2mA/5.5mA, I
SD
< 1µA,
ThinSOT
TM
Package
LT3460 0.3A (I
SW
), 1.3MHz High Effi ciency Step-Up
DC/DC Converter
V
IN
: 2.5V to 16V, V
OUT(MAX)
= 38V, I
Q
= 2mA, I
SD
< 1µA, ThinSOT
Package
LT3461/LT3461A 0.3A (I
SW
), 1.3MHz/3MHz High Effi ciency Step-Up
DC/DC Converters with Integrated Schottky
V
IN
: 2.5V to 16V, V
OUT(MAX)
= 38V, I
Q
= 2.8mA, I
SD
< 1µA, SC70 and
ThinSOT Package
LT3465/LT3465A Constant Current, 1.2MHz/2.7MHz High Effi ciency White
LED Boost Regulator with Integrated Schottky
V
IN
: 2.7V to 16V, V
OUT(MAX)
= 34V, I
Q
= 1.9mA, I
SD
< 1µA, ThinSOT
Package
ThinSOT is a trademark on Linear Technology Corporation.
RELATED PARTS
U
TYPICAL APPLICATIO
C1
1 F
R3
100
R4
10k
MONINV
IN
f
SET
SHDN
CTRL
GND
V
OUT2
V
OUT1
FB
SW PUMP
LT3482
MON APD
OFF ON
V
IN
3.3V
R2
28k
R1
1M
40V
AT 3mA
3482 TA04a
C2
1 F
C1: MURATA X7R GRM21BR71C105KA01B
C2: MURATA X7R GRM31MR71H105KA88B
C3, C4: AVX 06035C104KAT2A
L1: COILCRAFT ME3220-562ML OR EQUIVALENT
C3
0.1 F
C4
0.1 F
L1
5.6 H
I
MONIN
(mA)
0
EFFICIENCY (%)
40
50
60
3
3482 TA04b
30
20
12
0.5 3.5
1.5 2.5 4
10
0
70
3.3V to 40V APD Bias Power Supply Effi ciency