LT3505
TYPICAL APPLICATIONS
300kHz, 3.3V Step-Down Converter
1N4148
BOOST
V
OUT
V
IN
3.3V
V
IN
4V TO 36V
1A, V > 5V
1.2A, V > 8.5V
IN
IN
0.47µF
22µH
SW
ON OFF
SHDN
LT3505
36.5k
11.3k
100pF
FB
68µF
KEMET
A700D686M010ATE015
R
GND
V
C
T
MBRM140
226k
100k
150pF
2.2µF
3505 TA06
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LT1766
60V, 1.2A (IOUT), 200kHz, High Efficiency Step-Down
DC/DC Converter
VIN: 5.5V to 60V, VOUT(MIN) = 1.2V, IQ = 2.5mA, ISD < 25µA,
TSSOP16/TSSOP16E Packages
LT1767
25V, 1.2A (IOUT), 1.25MHz, High Efficiency Step-Down
DC/DC Converter
VIN: 3V to 25V, VOUT(MIN) = 1.20V, IQ = 1mA, ISD < 6µA,
MS8E Package
LT1933
500mA (IOUT), 500kHz, Step-Down Switching Regulator in VIN: 3.6V to 36V, VOUT(MIN) = 1.25V, IQ = 1.6mA, ISD < 1µA,
SOT-23
TSSOP16/TSSOP16E Packages
LT1936
36V, 1.4A (IOUT), 500kHz, High Efficiency Step-Down
DC/DC Converter
VIN: 3.6V to 36V, VOUT(MIN) = 1.20V, IQ = 1.9mA, ISD < 1µA,
MS8E Package
LT1940
Dual 25V, 1.4A (IOUT), 1.1MHz, High Efficiency Step-Down VIN: 3.6V to 25V, VOUT(MIN) = 1.25V, IQ = 3.8mA, ISD < 30µA,
DC/DC Converter
TSSOP16E Package
LT1976/LT1977
LT3434/LT3435
LT3437
60V, 1.2A (IOUT), 200kHz/500kHz, High Efficiency Step-
Down DC/DC Converters with Burst Mode® Operation
VIN: 3.3V to 60V, VOUT(MIN) = 1.25V, IQ = 100µA, ISD < 1µA,
TSSOP16E Package
60V, 2.4A (IOUT), 200kHz/500kHz, High Efficiency Step-
Down DC/DC Converters with Burst Mode Operation
VIN: 3.3V to 60V, VOUT(MIN) = 1.25V, IQ = 100µA, ISD < 1µA,
TSSOP16E Package
60V, 400mA (IOUT), Micropower Step-Down DC/DC
Converter with Burst Mode Operation
VIN: 3.3V to 60V, VOUT(MIN) = 1.25V, IQ = 100µA, ISD = <1µA,
DFN Package
LT3493
36V, 1.2A (IOUT), 750kHz, High Efficiency Step-Down
DC/DC Converter
VIN: 3.6V to 36V, VOUT(MIN) = 0.78V, IQ = 1.9mA, ISD < 2µA,
DFN Package
Burst Mode is a registered trademark of Linear Technology Corporation.
3505fc
LT 0807 REV C • PRINTED IN USA
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
24
"
#"#
LINEAR TECHNOLOGY CORPORATION 2006
(408)432-1900 FAX: (408) 434-0507 www.linear.com
Linear [ Linear ]
