LT3684
TYPICAL APPLICATION
1.265V Step-Down Converter
V
OUT
V
IN
1.265V
2A
3.6V TO 27V
V
IN
BD
RUN/SS
BOOST
ON OFF
L
0.47 F
3.3 H
V
SW
C
LT3648
GND
4.7 F
D
RT
PG
13k
BIAS
FB
105k
f = 500kHz
330pF
47 F
3648 TA08
D: DIODES INC. DFLS240L
L: TAIYO YUDEN NP06DZB3R3M
RELATED PARTS
PART NUMBER DESCRIPTION
COMMENTS
LT1933
LT3437
LT1936
LT3493
500mA (I ), 500kHz Step-Down Switching Regulator in V : 3.6V to 36V, V
= 12V, I = 1.6mA, I < 1µA, ThinSOTTM
Q SD
OUT
IN
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
SOT-23
Package
60V, 400mA (I ), MicroPower Step-Down DC/DC
V : 3.3V to 80V, V
IN
= 1.25V, I = 100µA, I < 1µA, DFN Package
Q SD
OUT
Converter with Burst Mode Operation
36V, 1.4A (I ), 500kHz High Efficiency Step-Down
V : 3.6V to 36V, V
IN
= 1.2V, I = 1.9mA, I < 1µA, MS8E Package
Q SD
OUT
DC/DC Converter
36V, 1.2A (I ), 750kHz High Efficiency Step-Down
V : 3.6V to 40V, V
IN
= 0.8V, I = 1.9mA, I < 1µA, DFN Package
Q SD
OUT
DC/DC Converter
LT1976/LT1977 60V, 1.2A (I ), 200kHz/500kHz, High Efficiency Step-
V : 3.3V to 60V, V
= 1.20V, I = 100µA, I < 1µA, TSSOP16E
Q SD
OUT
IN
Down DC/DC Converter with Burst Mode Operation
Package
LT1767
LT1940
LT1766
25V, 1.2A (I ), 1.1MHz, High Efficiency Step-Down
V : 3V to 25V, V
= 1.20V, I = 1mA, I < 6µA, MS8E Package
OUT(MIN) Q SD
OUT
IN
DC/DC Converter
Dual 25V, 1.4A (I ), 1.1MHz, High Efficiency Step-Down V : 3.6V to 25V, V
= 1.20V, I = 3.8mA, I < 30µA, TSSOP16E
Q SD
OUT
IN
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
DC/DC Converter
Package
60V, 1.2A (I ), 200kHz, High Efficiency Step-Down
V : 5.5V to 60V, V
= 1.20V, I = 2.5mA, I < 25µA, TSSOP16E
Q SD
OUT
IN
DC/DC Converter
Package
LT3434/LT3435 60V, 2.4A (I ), 200/500kHz, High Efficiency Step-Down V : 3.3V to 60V, V
= 1.20V, I = 100µA, I < 1µA, TSSOP16E
Q SD
OUT
IN
DC/DC Converter with Burst Mode Operation
Package
LT3481
36V, 2A (I ), Micropower 2.8MHz, High Efficiency
V : 3.6V to 36V, V
= 1.265V, I = 5µA, I < 1µA, 3mm × 3mm
Q SD
OUT
IN
Step-Down DC/DC Converter
DFN and MS10E Packages
3684f
LT 0207 • PRINTED IN USA
24 LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
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(408) 432-1900 FAX: (408) 434-0507 www.linear.com
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