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參數(shù)資料
| 型號： | LTC3672BEDC-1#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> | 167K |
| 代理商： | LTC3672BEDC-1#PBF |
LTC3672B-1
12
3672B1f
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 0607 PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER
DESCRIPTION
COMMENTS
LTC3405/LTC3405A
300mA IOUT, 1.5MHz, Synchronous Step-Down DC/DC
Converter
95% Efciency, VIN: 2.5V to 5.5V, VOUT(MIN) = 0.8V, IQ = 20μA,
ISD <1μA, ThinSOT Package
LTC3406/LTC3406B
600mA IOUT, 1.5MHz, Synchronous Step-Down DC/DC
Converter
96% Efciency, VIN: 2.5V to 5.5V, VOUT(MIN) = 0.6V, IQ = 20μA,
ISD <1μA, ThinSOT Package
LTC3407/LTC3407-2
Dual 600mA/800mA IOUT, 1.5MHz/2.25MHz, Synchronous
Step-Down DC/DC Converter
95% Efciency, VIN: 2.5V to 5.5V, VOUT(MIN) = 0.6V, IQ = 40μA,
ISD <1μA, MS10E Package
LTC3410/LTC3410B
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(MIN) = 0.8V, IQ = 60μA,
ISD <1μA, 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
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,
ISD <1μA, MS10, DFN Packages
LTC3672B-1 with VIN1 Tied to VIN, VOUT1 Capable of 400mA Even
with VOUT2 and VOUT3 Fully Loaded
LTC3672B-1 with VIN1 Tied to Buckout with More LDO Output Capacitance for Improved Transient Response
LTC3672B-1
GND
ENALL
SW
VOUT1
1.8V
400mA
VOUT2
1.2V
150mA
2.2 F
4.7 H
ENABLE
INPUT
BUCKOUT
VIN VIN1
LDO1
LDO2
3672b1 TA02
1 F
10 F
VOUT3
2.8V
UP TO 150mA
(SUBJECT TO DROPOUT
LIMITATIONS)
VIN
2.9V TO 5.5V
LTC3672B-1
GND
ENALL
SW
VOUT1
1.8V
400mA
(250mA IF LDO1
FULLY-LOADED)
VOUT2
1.2V
150mA
10 F
4.7 H
ENABLE
INPUT
VOUT3
2.8V
UP TO 150mA
(SUBJECT TO DROPOUT
LIMITATIONS)
BUCKOUT
VIN1
VIN
LDO1
LDO2
3672b1 TA04
4.7 F
10 F
VIN
2.9V TO 5.5V
LTC3672B-1 with VIN1 Tied to an Independent Supply, VOUT1
Capable of 400mA Even with VOUT2 and VOUT3 Fully Loaded
LTC3672B-1
GND
ENALL
VIN1
SW
VOUT1
1.8V
400mA
(250mA IF LDO1
FULLY-LOADED)
VOUT2
1.2V
150mA
VIN1
1.8V TO VIN
2.2 F
4.7 H
ENABLE
INPUT
BUCKOUT
VIN
LDO1
LDO2
3672b1 TA03
1 F
10 F
VOUT3
2.8V
UP TO 150mA
(SUBJECT TO DROPOUT
LIMITATIONS)
VIN
2.9V TO 5.5V
20μs/DIV
VIN = 3.6V
SIMULTANEOUS LOAD TRANSIENT ON BOTH LDOs
VOUT1 FLOATING
3672b1 TA04b
VOUT2
VOUT3
VOUT1
100mA
10mA
VOUT2 AND VOUT3
LOAD CURRENT
50mV/DIV
AC-COUPLED
Load Transient Response
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