LTC1470 데이터 시트보기 (PDF) - Linear Technology
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LTC1470 Datasheet PDF : 12 Pages
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LTC1470/LTC1471
TYPICAL APPLICATIONS
VLOGIC
A_VPP_PGM
A_VPP_VCC
B_VPP_PGM
B_VPP_VCC
VPP_VALID
CL-PD6720
A_VCC _3V
A_VCC _5V
B_VCC _3V
B_VCC _5V
13V TO 20V*
51k
AVS
AEN0
AEN1
AVALID
0.1µF
BVS
AVPPOUT +
1µF
ASENSE
LT1313
BEN0
BEN1
BVALID
GND
BVPPOUT +
1µF
BSENSE
GND
3.3V
0.1µF
A3VIN A3VIN B3VIN B3VIN
5V
A5VIN
BOUT
(OFF/3.3V/5V)
0.1µF
B5VIN
BOUT +
1µF 10k
LTC1471
TANT
AEN0
AEN1
BEN0
BEN1
GND
AOUT
AOUT
GND
(OFF/3.3V/5V)
+ 1µF
10k
TANT
* FROM OVERWINDING ON 3.3V OR 5V INDUCTOR IN SYSTEM POWER SUPPLY.
SEE FIGURES 3, 4 FOR FURTHER DETAILS
VPP1
VPP2
VCC
PCMCIA
CARD SLOT
#1
VPP1
VPP2
VCC
PCMCIA
CARD SLOT
#2
1470/71 TA04
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PART NUMBER
LTC3405/LTC3405A
LTC3405A-1.5
LTC3405A-1.8
LTC3406/LTC3406B
LTC3411
LTC3412
LTC3413
LT3430
LTC3440
DESCRIPTION
300mA (IOUT), 1.5MHz, Synchronous Step-Down
DC/DC Converters
600mA (IOUT) 1.5MHz, Synchronous Step-Down
DC/DC Converter
1.25A (IOUT), 4MHz, Synchronous Step-Down
DC/DC Converter
2.5A (IOUT), 4MHz, Synchronous Step-Down
DC/DC Converter
3A (IOUT), Sink/Source, 2MHz, Monolithic Synchronous
Regulator for DDR/QDR Memory Termination
60V, 2.75A (IOUT), 200kHz, High Efficiency Step-Down
DC/DC Converter
600mA (IOUT), 2MHz, Synchronous Buck-Boost
DC/DC Converter
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
COMMENTS
95% Efficiency, VIN = 2.7V to 6V, VOUT = 0.8V, IQ = 20µA
ISD = <1µA, ThinSOT Package
95% Efficiency, VIN = 2.5V to 5.5V, VOUT = 0.6V, IQ = 20µA
ISD = <1µA, ThinSOT Package
95% Efficiency, VIN = 2.5V to 5.5V, VOUT = 0.8V, IQ = 60µA
ISD = <1µA, MS10 Package
95% Efficiency, VIN = 2.5V to 5.5V, VOUT = 0.8V, IQ = 60µA
ISD = <1µA, TSSOP16E Package
90% Efficiency, VIN = 2.25V to 5.5V, VOUT = VREF/2, IQ = 280µA
ISD = <1µA, TSSOP16E Package
90% Efficiency, VIN = 5.5V to 60V, VOUT = 1.20V, IQ = 2.5mA
ISD = 25µA, TSSOP16E Package
95% Efficiency, VIN = 2.5V to 5.5V, VOUT = 2.5V, IQ = 25µA
ISD = <1µA, MS Package
14701fa
LT/LT 0705 REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1995
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