LT1963 Series
U
TYPICAL APPLICATIO S
Adjustable Current Source
Paralleling of Regulators for Higher Output Current
R1
0.01Ω
LT1963-3.3
IN OUT
R5
3.3V
3A
C2
22µF
LT1963-1.8
IN OUT
0.01Ω
+
+
LOAD
C1
100µF
V
IN
> 3.7V
R1
+
C1
10µF
1k
SHDN
GND
FB
V
IN
> 2.7V
SHDN
GND
FB
LT1004-1.2
R4
R6
R8
100k
R2
80.6k
C3
1µF
2.2k 2.2k
R2
0.01Ω
LT1963
R3
2k
IN
OUT
R7
470Ω
R6
2
3
6.65k
8
+
–
SHDN
SHDN
FB
1
1/2
LT1366
GND
R7
4.12k
4
C2
3.3µF
NOTE: ADJUST R1 FOR
0A TO 1.5A CONSTANT CURRENT
1963 TA04
R3
2.2k
R4
2.2k
R5
1k
3
2
8
+
–
1
1/2
LT1366
C3
0.01µF
4
1963 TA05
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PART NUMBER
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DESCRIPTION
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COMMENTS
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Q
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Burst ModeTM Operation, Monolithic, 100% Duty Cycle
LTC1627
LT1761 Series
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LT1764 Series
LT1962 Series
100mA, Low Noise, Low Dropout Micropower Regulators in SOT-23 20µA Quiescent Current, 20µV
Noise, SOT-23 Package
Noise, MSOP Package
Noise, SO-8 Package
Noise
RMS
RMS
RMS
150mA, Low Noise, LDO Micropower Regulators
500mA, Low Noise, LDO Micropower Regulators
3A, Fast Transient Response Low Dropout Regulator
300mA, Low Noise, LDO Micropower Regulator
25µA Quiescent Current, 20µV
30µA Quiescent Current, 20µV
340mV Dropout Voltage, 40µV
RMS
RMS
30µA Quiescent Current, 20µV
Noise, MSOP Package
Burst Mode is a trademark of Linear Technology Corporation.
1963fa
LT/TP 0602 1.5K REV A • PRINTED IN USA
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
16
●
●
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2000
Linear Systems [ Linear Systems ]
