LT3023 データシートの表示（PDF） - Linear Technology
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LT3023 Datasheet PDF : 16 Pages
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LT3023
TYPICAL APPLICATION
Startup Sequencing
VIN
3.7V TO 20V
1μF
OFF ON
0.47μF
IN
OUT1
LT3023
BYP1
ADJ1
SHDN1 OUT2
SHDN2 BYP2
ADJ2
GND
0.01μF
422k
249k
10μF
35.7k
28k
0.01μF
10μF
261k
249k
3.3V
AT
100mA
2.5V
AT
100mA
3023 TA03a
Turn-On Waveforms
VSHDN1
1V/DIV
VOUT1
1V/DIV
VOUT2
1V/DIV
2ms/DIV
3023 TA03b
Turn-Off Waveforms
VSHDN1
1V/DIV
VOUT1
1V/DIV
VOUT2
1V/DIV
2ms/DIV
3023 TA03c
RELATED PARTS
PART NUMBER
LT1129
LT1175
LT1185
LT1761
LT1762
LT1763
LT1764/LT1764A
LTC1844
LT1962
LT1963/LT1963A
LT1964
LTC3407
DESCRIPTION
COMMENTS
700mA, Micropower, LDO
VIN: 4.2V to 30V, VOUT(MIN) = 3.75V, IQ = 50μA, ISD = 16μA, DD, SOT-223, S8,TO220,
TSSOP20 Packages
500mA, Micropower Negative LDO
3A, Negative LDO
100mA, Low Noise Micropower, LDO
150mA, Low Noise Micropower, LDO
Guaranteed Voltage Tolerance and Line/Load Regulation, VIN: –20V to –4.3V,
VOUT(MIN) = –3.8V, IQ = 45μA, ISD = 10μA, DD,SOT-223, S8 Packages
Accurate Programmable Current Limit, Remote Sense, VIN: –35V to –4.2V, VOUT(MIN)
= –2.40V, IQ = 2.5mA, ISD <1μA, TO220-5 Package
Low Noise < 20μVRMS, Stable with 1μF Ceramic Capacitors, VIN: 1.8V to 20V,
VOUT(MIN) = 1.22V, IQ = 20μA, ISD <1μA, ThinSOT Package
Low Noise < 20μVRMS, VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, IQ = 25μA, ISD <1μA,
MS8 Package
500mA, Low Noise Micropower, LDO
Low Noise < 20μVRMS, VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, IQ = 30μA, ISD <1μA,
S8 Package
3A, Low Noise, Fast Transient Response, LDO
150mA, Very Low Drop-Out LDO
300mA, Low Noise Micropower, LDO
Low Noise < 40μVRMS, "A" Version Stable with Ceramic Capacitors, VIN: 2.7V to 20V,
VOUT(MIN) = 1.21V, IQ = 1mA, ISD <1μA, DD, TO220 Packages
Low Noise < 30μVRMS, Stable with 1μF Ceramic Capacitors, VIN: 1.6V to 6.5V,
VOUT(MIN) = 1.25V, IQ = 40μA, ISD <1μA, ThinSOT Package
Low Noise < 20μVRMS, VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, IQ = 30μA, ISD <1μA,
MS8 Package
1.5A, Low Noise, Fast Transient Response, LDO
200mA, Low Noise Micropower, Negative LDO
Dual 600mA. 1.5MHz Synchronous Step Down
DC/DC Converter
Low Noise < 40μVRMS, "A" Version Stable with Ceramic Capacitors, VIN: 2.1V to 20V,
VOUT(MIN) = 1.21V, IQ = 1mA, ISD <1μA, DD, TO220, SOT-223, S8 Packages
Low Noise < 30μVRMS, Stable with Ceramic Capacitors, VIN: –0.9V to –20V,
VOUT(MIN) = –1.21V, IQ = 30μA, ISD = 3μA, ThinSOT Package
VIN: 2.5V to 5.5V, VOUT(MIN) = 0.6 V, IQ = 40μA, ISD <1μA, MSE Package
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
3023fa
LT 0208 REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2003
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