LT3027 Просмотр технического описания (PDF) - Linear Technology
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LT3027
Linear Technology
LT3027 Datasheet PDF : 16 Pages
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LT3027
TYPICAL APPLICATIO S
Startup Sequencing
VIN1
3.7V TO 20V
1µF
VIN2
2.9V TO 20V
1µF
OFF ON
0.47µF
IN1
OUT1
BYP1
ADJ1
IN2
LT3027
OUT2
SHDN1
BYP2
SHDN2 ADJ2
GND
0.01µF
422k
249k
10µF
35.7k
28k
0.01µF
261k
10µF
249k
3.3V
AT
100mA
2.5V
AT
100mA
3027 TA03a
Turn-On Waveforms
VSHDN1
1V/DIV
VOUT1
1V/DIV
VOUT2
1V/DIV
Turn-Off Waveforms
VSHDN1
1V/DIV
VOUT1
1V/DIV
VOUT2
1V/DIV
2ms/DIV
3027 TA03b
2ms/DIV
3027 TA03c
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PART NUMBER
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DESCRIPTION
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16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
COMMENTS
Accurate Programmable Current Limit, Remote Sense
VIN: –35V to –4.2V, VOUT(MIN) = –2.40V, Dropout Voltage = 0.8V, IQ = 2.5mA,
ISD = <1µA, VOUT = Adj., TO220-5 Package
Low Noise < 20µVRMS, Stable with 1µF Ceramic Capacitors,
VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, Dropout Voltage = 0.3V, IQ = 20µA,
ISD = <1µA, VOUT = Adj., 1.5, 1.8, 2, 2.5, 2.8, 3, 3.3, 5, ThinSOT Package
Low Noise < 20µVRMS,
VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, Dropout Voltage = 0.3V, IQ = 25µA,
ISD = <1µA, VOUT = Adj., 2.5, 3, 3.3, 5, MS8 Package
Low Noise < 20µVRMS,
VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, Dropout Voltage = 0.3V, IQ = 30µA,
ISD = <1µA, VOUT = 1.5, 1.8, 2.5, 3, 3.3, 5, S8 Package
Low Noise < 40µVRMS, "A" Version Stable with Ceramic Capacitors,
VIN: 2.7V to 20V, VOUT(MIN) = 1.21V, Dropout Voltage = 0.34V, IQ = 1mA,
ISD = <1µA, VOUT = 1.8, 2.5, 3.3, DD, TO220 Packages
Low Noise < 30µVRMS, Stable with 1µF Ceramic Capacitors,
VIN: 1.6V to 6.5V, VOUT(MIN) = 1.25V, Dropout Voltage = 0.08V, IQ = 40µA,
ISD = <1µA, VOUT = Adj., 1.5, 1.8, 2.5, 2.8, 3.3, ThinSOT Package
Low Noise < 20µVRMS,
VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, Dropout Voltage = 0.27V, IQ = 30µA,
ISD = <1µA, VOUT = 1.5, 1.8, 2.5, 3, 3.3, 5, MS8 Package
Low Noise < 40µVRMS, "A" Version Stable with Ceramic Capacitors,
VIN: 2.1V to 20V, VOUT(MIN) = 1.21V, Dropout Voltage = 0.34V, IQ = 1mA,
ISD = <1µA, VOUT = 1.5, 1.8, 2.5, 3.3, DD, TO220, SOT-223, S8 Packages
Low Noise < 30µVRMS, Stable with Ceramic Capacitors,
VIN: –0.9V to –20V, VOUT(MIN) = –1.21V, Dropout Voltage = 0.34V, IQ = 30µA,
ISD = 3µA, VOUT = Adj., –5, ThinSOT Package
Low Noise < 245µVRMS, Stable with 2.2µF Ceramic Capacitors,
VIN: 0.9V to 10V, VOUT(MIN) = 0.2 V, Dropout Voltage = 0.155V, IQ = 140µA,
ISD = <3µA, VOUT = Adj., MS8, DFN Packages
Dual Low Noise < 20µVRMS, Stable with 1µF Ceramic Capacitors,
VIN: 1.8V to 20V, VOUT(MIN) = 1.22 V, Dropout Voltage = 0.3V, IQ = 40µA,
ISD = <1µA, VOUT = Adj., MS10, DFN Packages
Dual Low Noise < 20µVRMS, Stable with 1µF/3.3µF Ceramic Capacitors,
VIN: 1.8V to 20V, VOUT(MIN) = 1.22 V, Dropout Voltage = 0.3V, IQ = 60µA,
ISD = <1µA, VOUT = Adj., TSSOP16, DFN Packages
3027f
LT/TP 0804 1K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2004
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