參數(shù)資料
型號: LTC3547BIDDB#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 0.7 A DUAL SWITCHING CONTROLLER, 2700 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 3 X 2 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, M0-229WECD-1, DFN-8
文件頁數(shù): 8/16頁
文件大?。?/td> 248K
代理商: LTC3547BIDDB#PBF
LTC3547B
16
3547bfb
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 0807 REV B PRINTED IN USA
TYPICAL APPLICATIO
U
RELATED PARTS
VIN
RUN2
RUN1
LTC3547B
VFB2
SW2
SW1
VFB1
CF2, 10pF
CF1, 10pF
GND
VIN
2.5V TO 5.5V
VOUT2
1.8V AT 300mA
VOUT1
2.5V AT 300mA
3547b TA02
R3
280k
R1
280k
R4
562k
L2
4.7μH
L1
4.7μH
R2
887k
COUT2
4.7μF
C1
4.7μF
COUT1
4.7μF
C1, COUT1, COUT2: TAIYO YUDEN JMK316BJ475ML
L1, L2: MURATA LQH32CN4R7M33
PART NUMBER
DESCRIPTION
COMMENTS
LTC1877
600mA (IOUT), 550kHz, Synchronous Step-Down
DC/DC Converter
95% Efciency, VIN: 2.7V to 10V, VOUT = 0.8V, IQ = 10μA,
ISD <1μA, MS8 Package
LTC1878
600mA (IOUT), 550kHz, Synchronous Step-Down
DC/DC Converter
95% Efciency, VIN: 2.7V to 6V, VOUT = 0.8V, IQ = 10μA, ISD <1μA,
MS8 Package
LTC1879
1.2A (IOUT), 550kHz, Synchronous Step-Down DC/DC
Converter
95% Efciency, VIN: 2.7V to 10V, VOUT = 0.8V, IQ = 15μA,
ISD <1μA, TSSOP-16 Package
LTC3403
600mA (IOUT), 1.5MHz, Synchronous Step-Down
DC/DC Converter with Bypass Transistor
96% Efciency, VIN: 2.5V to 5.5V, VOUT = Dynamically Adjustable,
IQ = 20μA, ISD <1μA, DFN Package
LTC3404
600mA (IOUT), 1.4MHz, Synchronous Step-Down
DC/DC Converter
95% Efciency, VIN: 2.7V to 6V, VOUT = 0.8V, IQ = 10μA,
ISD <1μA, MS8 Package
LTC3405/LTC3405A 300mA (IOUT), 1.5MHz, Synchronous Step-Down
DC/DC Converter
96% Efciency, VIN: 2.5V to 5.5V, VOUT = 0.8V, IQ = 20μA,
ISD <1μA, ThinSOT Package
LTC3406
600mA (IOUT), 1.5MHz, Synchronous Step-Down
DC/DC Converter
96% Efciency, VIN: 2.5V to 5.5V, VOUT = 0.6V, IQ = 20μA,
ISD <1μA, ThinSOT Package
LTC3409
600mA (IOUT), 1.5MHz/2.25MHz, Synchronous
Step-Down DC/DC Converter
95% Efciency, VIN: 1.6V to 5.5V, VOUT = 0.613V, IQ = 65μA,
DD8 Package
LTC3410
300mA (IOUT), 2.25MHz, Synchronous Step-Down
DC/DC Converter
96% Efciency, VIN: 2.5V to 5.5V, VOUT(MIN) = 0.8V, IQ = 26μA,
ISD <1μA, SC70 Package
LTC3411
1.25A (IOUT), 4MHz, Synchronous Step-Down
DC/DC Converter
95% Efciency, VIN: 2.5V to 5.5V, VOUT = 0.8V, IQ = 60μA,
ISD <1μA, MS Package
LTC3412
2.5A (IOUT), 4MHz, Synchronous Step-Down
DC/DC Converter
95% Efciency, VIN: 2.5V to 5.5V, VOUT = 0.8V, IQ = 60μA,
ISD <1μA, TSSOP-16E Package
LTC3440
600mA (IOUT), 2MHz, Synchronous Buck-Boost
DC/DC Converter
95% Efciency, VIN: 2.5V to 5.5V, VOUT = 2.5V, IQ = 25μA,
ISD <1μA, MS Package
LTC3547
Dual 300mA (IOUT), 2.25MHz, Synchronous
Step-Down DC/DC Converter
96% Efciency, VIN: 2.5V to 5.5V, VOUT = 0.6V, IQ = 40μA,
ISD <1μA, DFN Package
ThinSOT is a trademark of Linear Technology Corporation
Dual 300mA Buck Converter with Pulse Skip Mode
VIN
RUN2
RUN1
LTC3547B-1
VFB2
SW2
SW1
VFB1
GND
VIN
2.5V TO 5.5V
VOUT2
1.2V AT 300mA
VOUT1
1.8V AT 300mA
3547b TA03
L2
4.7μH
L1
4.7μH
COUT2
4.7μF
C1
4.7μF
COUT1
4.7μF
C1, COUT1, COUT2: TAIYO YUDEN JMK316BJ475ML
L1, L2: MURATA LQH32CN4R7M33
1.8V/1.2V Dual 300mA Buck Converter with Pulse Skip Mode
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參數(shù)描述
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