参数资料
型号: LTC1938IDD#TRPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 4 A SWITCHING REGULATOR, 3300 kHz SWITCHING FREQ-MAX, PDSO10
封装: 3 X 3 MM, LEAD FREE, PLASTIC, MO-229WEED-2, DFN-10
文件页数: 17/24页
文件大小: 272K
代理商: LTC1938IDD#TRPBF
LT1938
24
1938f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2007
LT 1007 PRINTED IN USA
PART NUMBER
DESCRIPTION
COMMENTS
LT1933
500mA (IOUT), 500kHz Step-Down Switching Regulator in
SOT-23
VIN: 3.6V to 36V, VOUT(MIN) = 12V, IQ = 1.6mA, ISD < 1μA, ThinSOT
TM
Package
LT3437
60V, 400mA (IOUT), MicroPower Step-Down DC/DC
Converter with Burst Mode Operation
VIN: 3.3V to 80V, VOUT(MIN) = 1.25V, IQ = 100μA, ISD < 1μA, DFN Package
LT1936
36V, 1.4A (IOUT), 500kHz High Efciency Step-Down
DC/DC Converter
VIN: 3.6V to 36V, VOUT(MIN) = 1.2V, IQ = 1.9mA, ISD < 1μA, MS8E Package
LT3493
36V, 1.2A (IOUT), 750kHz High Efciency Step-Down
DC/DC Converter
VIN: 3.6V to 40V, VOUT(MIN) = 0.8V, IQ = 1.9mA, ISD < 1μA, DFN Package
LT1976/LT1977
60V, 1.2A (IOUT), 200kHz/500kHz, High Efciency Step-
Down DC/DC Converter with Burst Mode Operation
VIN: 3.3V to 60V, VOUT(MIN) = 1.20V, IQ = 100μA, ISD < 1μA, TSSOP16E
Package
LT1767
25V, 1.2A (IOUT), 1.1MHz, High Efciency Step-Down
DC/DC Converter
VIN: 3V to 25V, VOUT(MIN) = 1.20V, IQ = 1mA, ISD < 6μA, MS8E Package
LT1940
Dual 25V, 1.4A (IOUT), 1.1MHz, High Efciency Step-Down
DC/DC Converter
VIN: 3.6V to 25V, VOUT(MIN) = 1.20V, IQ = 3.8mA, ISD < 30μA, TSSOP16E
Package
LT1766
60V, 1.2A (IOUT), 200kHz, High Efciency Step-Down
DC/DC Converter
VIN: 5.5V to 60V, VOUT(MIN) = 1.20V, IQ = 2.5mA, ISD < 25μA, TSSOP16E
Package
LT3434/LT3435
60V, 2.4A (IOUT), 200/500kHz, High Efciency Step-Down
DC/DC Converter with Burst Mode Operation
VIN: 3.3V to 60V, VOUT(MIN) = 1.20V, IQ = 100μA, ISD < 1μA, TSSOP16E
Package
LT3481
36V, 2A (IOUT), Micropower 2.8MHz, High Efciency
Step-Down DC/DC Converter
VIN: 3.6V to 36V, VOUT(MIN) = 1.265V, IQ = 5μA, ISD < 1μA, 3mm × 3mm
DFN and MS10E Packages
1.265V Step-Down Converter
SW
BIAS
FB
VC
PG
RT
VIN
BD
VIN
3.6V TO 25V
VOUT
1.265V
2.2A
4.7
μF
0.47
μF
47
μF
f = 500kHz
D: DIODES INC. DFLS240L
L: TAIYO YUDEN NP06DZB3R3M
D
13k
105k
L
3.3
μH
GND
680pF
ON OFF
LT1938
1938 TA08
RUN/SS
BOOST
TYPICAL APPLICATION
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