Datasheet

LT3481
24
3481fc
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2006
LT 0809 REV C • PRINTED IN USA
SW
BIAS
FB
V
C
PG
RT
V
IN
BD
V
IN
3.6V TO 27V
V
OUT
1.265V
2A
4.7μF
0.47μF
47μF
f = 500kHz
D: DIODES INC. DFLS240L
L: TAIYO YUDEN NP06DZB3R3M
D
13k
105k
L
3.3μH
GND
330pF
ON OFF
LT3481
3481 TA10
RUN/SS BOOST
1.265V Step-Down Converter
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LT1933 500mA (I
OUT
), 500kHz Step-Down Switching
Regulator in SOT-23
V
IN
: 3.6V to 36V, V
OUT(MIN)
= 1.2V, I
Q
= 1.6mA, I
SD
<1μA, ThinSOT™ Package
LT3437 60V, 400mA (I
OUT
), MicroPower Step-Down
DC/DC Converter with Burst Mode Operation
V
IN
: 3.3V to 80V, V
OUT(MIN)
= 1.25V, I
Q
= 100μA, I
SD
<1μA, DFN Package
LT1936 36V, 1.4A (I
OUT
), 500kHz High Effi ciency
Step-Down DC/DC Converter
V
IN
: 3.6V to 36V, V
OUT(MIN)
= 1.2V, I
Q
= 1.9mA, I
SD
<1μA, MS8E Package
LT3493 36V, 1.2A (I
OUT
), 750kHz High Effi ciency
Step-Down DC/DC Converter
V
IN
: 3.6V to 40V, V
OUT(MIN)
= 0.8V, I
Q
= 1.9mA, I
SD
<1μA, DFN Package
LT1976/LT1977 60V, 1.2A (I
OUT
), 200kHz/500kHz, High Effi ciency
Step-Down DC/DC Converter with Burst Mode
Operation
V
IN
: 3.3V to 60V, V
OUT(MIN)
= 1.20V, I
Q
= 100μA, I
SD
<1μA, TSSOP16E Package
LT1767 25V, 1.2A (I
OUT
), 1.1MHz, High Effi ciency
Step-Down DC/DC Converter
V
IN
: 3.0V to 25V, V
OUT(MIN)
= 1.20V, I
Q
= 1mA, I
SD
<6μA, MS8E Package
LT1940 Dual 25V, 1.4A (I
OUT
), 1.1MHz, High Effi ciency
Step-Down DC/DC Converter
V
IN
: 3.6V to 25V, V
OUT(MIN)
= 1.20V, I
Q
= 3.8mA, I
SD
<30μA, TSSOP16E Package
LT1766 60V, 1.2A (I
OUT
), 200kHz, High Effi ciency
Step-Down DC/DC Converter
V
IN
: 5.5V to 60V, V
OUT(MIN)
= 1.20V, I
Q
= 2.5mA, I
SD
= 25μA, TSSOP16E Package
LT3434/LT3435 60V, 2.4A (I
OUT
), 200/500kHz, High Effi ciency
Step-Down DC/DC Converter with Burst Mode
Operation
V
IN
: 3.3V to 60V, V
OUT(MIN)
= 1.20V, I
Q
= 100μA, I
SD
<1μA, TSSOP16E Package
ThinSOT is a trademark of Linear Technology Corporation.
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.