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參數(shù)資料
| 型號： | LTC3672BEDC-2#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.1 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 2 X 2 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, DFN-8 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 165K |
| 代理商： | LTC3672BEDC-2#PBF |
LTC3672B-2
12
3672b2fa
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 1107 REV A PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER
DESCRIPTION
COMMENTS
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LTC3407A/
LTC3407A-2
Dual 600mA/800mA IOUT, 1.5MHz/2.25MHz, Synchronous
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LTC3410/LTC3410B
300mA IOUT, 2.25MHz, Synchronous Step-Down DC/DC
Converter
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ISD <1μA, SC70 Package
LTC3411
1.25A IOUT, 4MHz, Synchronous Step-Down DC/DC
Converter
95% Efciency, VIN: 2.5V to 5.5V, VOUT(MIN) = 0.8V, IQ = 60μA,
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LTC3419
Dual 600mA Synchronous 2.75MHz Step-Down DC/DC
95% Efciency, VIN: 2.5V to 5.5V, VOUT(MIN) = 0.6V, IQ = 35μA,
ISD < 1μA, 3mm × 3mm DFN, MS10 Package
LTC3445
I2C Controllable 600mA Synchronous Buck Regulator with
Two 50mA LDOs in a 4mm
× 4mm QFN
95% Efciency, VIN: 2.5V to 5.5V, VOUT(MIN) = 0.85V, IQ = 360μA,
ISD <27μA, 4mm × 4mm QFN Package
LTC3446
Synchronous 1A, 2.25MHz Step-Down DC/DC Regulator
with Dual VLDOs
95% Efciency, VIN: 2.7V to 5.5V, VOUT(MIN) = 0.4V, IQ = 140μA,
ISD <1μA, 3mm × 4mm DFN Package
LTC3448
600A IOUT, 1.5MHz/2.25MHz, Synchronous
Step-Down DC/DC Converter with LDO Mode
95% Efciency, VIN: 2.5V to 5.5V, VOUT(MIN) = 0.6V, IQ = 32μA,
ISD <1μA, MS10, DFN Packages
LTC3541/LTC3541-1/
LTC3541-2/LTC3541-3
Synchronous 500mA, 2.25MHz Step-Down DC/DC
Regulator with a 300mA VLDO in a 3mm
× 3mm DFN
95% Efciency, VIN: 2.7V to 5.5V, VOUT(MIN) = 0.4V, IQ = 85μA,
ISD <1μA, 3mm × 3mm DFN Package
LTC3547/ LTC3547B
Dual 300mA IOUT, 2.25MHz, Synchronous Step-Down
DC/DC Converter
95% Efciency, VIN: 2.5V to 5.5V, VOUT(MIN) = 0.6V, IQ = 40μA,
ISD <1μA, DFN-8 Package
LTC3548/LTC3548-1/
LTC3548-2
Dual 800mA/400mA IOUT, 2.25MHz, Synchronous Step-
Down DC/DC Converter
95% Efciency, VIN: 2.5V to 5.5V, VOUT(MIN) = 0.6V, IQ = 40μA,
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Monolithic Fixed-Output 400mA Buck Regulator with Dual
150mA LDOs in a 2mm
× 2mm DFN
95% Efciency, VIN: 2.9V to 5.5V, IQ = 260μA, Buckout = 1.8V,
LD01 = 1.2V, LDO2 = 2.8V, 2mm
× 2mm DFN Package
ThinSOT is a trademark of Linear Technology Corporation
LTC3672B-2 with More LDO Output Capacitance
for Improved Transient Response
LTC3672B-2
GND
ENALL
SW
VOUT2
2.8V, UP TO 150mA
(SUBJECT TO
DROPOUT
LIMITATIONS)
VOUT1
1.2V
400mA
VIN
2.9V TO 5.5V
VOUT3
1.8V
150mA
ENABLE
INPUT
BUCKOUT
VIN
VIN1
LDO1
LDO2
3672B2 TA02
4.7μF
4.7μH
10μF
20μs/DIV
50mV/DIV
AC
COUPLED
VOUT2 AND
VOUT3 LOAD
CURRENT
3672B2 TA02b
VOUT2
VIN = 3.6V
SIMULTANEOUS
LOAD TRANSIENT
ALL OUTPUTS
VOUT3
VOUT1
100mA
10mA
Load Transient Response
50μs/DIV
OUTPUT
VOLTAGES
500mV/DIV
ENALL
3672B2 TA02c
VOUT2
VIN = 3.6V
10mA RESISTIVE
LOAD ON
EACH OUTPUT
VOUT3
0V
1V
0V
VOUT1
Start-Up Transient
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