LT3008 データシートの表示（PDF） - Linear Technology
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LT3008 Datasheet PDF : 16 Pages
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LT3008
TYPICAL APPLICATION
Low Duty Cycle Applications
VIN
12V
IN
OUT
1μF
LT3008
SHDN
ADJ
GND
3.3V
2.8M
1%
619k
1%
2.2μF
LOW DUTY CYCLE
PULSED LOAD
0 TO 10mA
3008 TA04a
Average Power Savings for Low Duty Cycle Applications
0mA to 10mA Pulsed Load, IN = 12V
100
90
80
70
60
50
100μA IQ
40 30μA IQ
30
20
10
0
0.1
10μA IQ
1
DUTY CYCLE (%)
10
3008 TA04b
RELATED PARTS
PART NUMBER
LT1761
DESCRIPTION
100mA, Low Noise Micropower LDO
LT1762
150mA, Low Noise Micropower LDO
LT1763
500mA, Low Noise Micropower LDO
LT1764/LT1764A
LT1962
3A, Low Noise, Fast Transient
Response LDOs
300mA, Low Noise Micropower LDO
LT1963/LT1963A 1.5A, Low Noise, Fast Transient
Response LDOs
LT3009
LT3020
20mA, 3μA IQ Micropower LDO
100mA, Low Voltage VLDO
LT3021
500mA, Low Voltage VLDO
LT3080/ LT3080-1 1.1A, Parallelable, Low Noise,
Low Dropout Linear Regulator
LT3085
500mA, Parallelable, Low Noise,
Low Dropout Linear Regulator
ThinSOT is a trademark of Linear Technology Corporation.
COMMENTS
VIN: 1.8V to 20V, VOUT = 1.22V, VDO = 0.3V, IQ = 20μA, ISD < 1μA, Low Noise < 20μVRMS,
Stable with 1μF Ceramic Capacitors, ThinSOTTM Package
VIN: 1.8V to 20V, VOUT = 1.22V, VDO = 0.3V, IQ = 25μA, ISD < 1μA, Low Noise < 20μVRMS,
MS8 Package
VIN: 1.8V to 20V, VOUT = 1.22V, VDO = 0.3V, IQ = 30μA, ISD < 1μA, Low Noise < 20μVRMS,
S8 Package
VIN: 2.7V to 20V, VOUT = 1.21V, VDO = 0.34V, IQ = 1mA, ISD < 1μA, Low Noise < 40μVRMS,
“A” Version Stable with Ceramic Capacitors, DD and TO220-5 Packages
VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.27V, IQ = 30μA, ISD < 1μA,
Low Noise: < 20μVRMS, MS8 Package
VIN: 2.1V to 20V, VOUT(MIN) = 1.21V, VDO = 0.34V, IQ = 1mA, ISD < 1μA,
Low Noise: < 40μVRMS, “A” Version Stable with Ceramic Capacitors, DD, TO220-5,
SOT223 and S8 Packages
VIN: 1.6V to 20V, Low IQ: 3μA, VDO = 0.28V, 2mm × 2mm DFN and SC-70-8 Packages
VIN: 0.9V to 10V, VOUT(MIN) = 0.20V, VDO = 0.15V, IQ = 120μA, ISD < 1μA, 3mm × 3mm DFN
and MS8 Packages
VIN: 0.9V to 10V, VOUT(MIN) = 0.20V, VDO = 0.16V, IQ = 120μA, ISD < 3μA, 5mm × 5mm DFN
and SO8 Packages
300mV Dropout Voltage (2-supply operation), Low Noise: 40μVRMS, VIN: 1.2V to 36V,
VOUT: 0V to 35.7V, current-based reference with 1-resistor VOUT set; directly parallelable
(no op amp required), stable with ceramic caps, TO-220, SOT-223, MSOP and 3 × 3 DFN
Packages; “-1” version has integrated internal ballast resistor
275mV Dropout Voltage (2-supply operation), Low Noise: 40μVRMS, VIN: 1.2V to 36V,
VOUT: 0V to 35.7V, current-based reference with 1-resistor VOUT set; directly parallelable
(no op amp required), stable with ceramic caps, MSOP-8 and 2 × 3 DFN packages
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
3008f
LT 1108 • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2007
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