Datasheet

LT3493
20
3493fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2006
LT 1108 REV B • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
12V Step-Down Converter
V
IN
14.5V TO 36V
0.1μF
22μH
1k*
0.25W
* FOR CONTINUOUS OPERATION ABOVE 30V
USE TWO 2k, 0.25Ω RESISTORS IN PARALLEL.
D1: CMDZ5235B
1N4148
D1
6V
MBRM140
71.5k
4.7μF
3493 TA07
1μF
4.99k
V
OUT
12V
1A
V
IN
BOOST
GND FB
SHDN
SW
LT3493
ON OFF
PART NUMBER DESCRIPTION COMMENTS
LT1766 60V, 1.2A I
OUT
, 200kHz, High Effi ciency Step-Down
DC/DC Converter
V
IN
: 5.5V to 60V, V
OUT(MIN)
= 1.2V, I
Q
= 2.5mA, I
SD
= 25μA,
TSSOP16/TSSOP16E Packages
LT1933 36V, 600mA I
OUT
, 500kHz, High Effi ciency Step-Down
DC/DC Converter
LT1936 36V, 1.4A I
OUT
, 500kHz, High Effi ciency Step-Down
DC/DC Converter
LT1940 25V, Dual 1.4A I
OUT
, 1.1MHz, High Effi ciency Step-Down
DC/DC Converter
V
IN
: 3.6V to 25V, V
OUT(MIN)
= 1.25V, I
Q
= 3.8mA, I
SD
< 30μA,
TSSOP16E Package
LT1976 60V, 1.2A I
OUT
, 200kHz, High Effi ciency Step-Down
DC/DC Converter with Burst Mode
®
Operation
V
IN
: 3.3V to 60V, V
OUT(MIN)
= 1.2V, I
Q
= 100μA, I
SD
< 1μA,
TSSOP16E Package
LT3010 80V, 50mA, Low Noise Linear Regulator V
IN
: 1.5V to 80V, V
OUT(MIN)
= 1.28V, I
Q
= 30μA, I
SD
< 1μA,
MS8E Package
LTC3407 Dual 600mA I
OUT
, 1.5MHz, Synchronous Step-Down
DC/DC Converter
V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 40μA, I
SD
< 1μA,
MS10E Package
LT3430/LT3431 60V, 2.75A I
OUT
, 200kHz/500kHz, High Effi ciency Step-Down
DC/DC Converter
V
IN
: 5.5V to 60V, V
OUT(MIN)
= 1.2V, I
Q
= 2.5mA, I
SD
= 30μA,
TSSOP16E Package
LT3470 40V, 200mA I
OUT
, 26μA I
Q
, Step-Down DC/DC Converter
Burst Mode is a registered trademark of Linear Technology Corporation.
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