LT1963EQ View Datasheet(PDF) - Linear Integrated System
Part Name
Description
Manufacturer
LT1963EQ Datasheet PDF : 16 Pages
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LT1963 Series
TYPICAL APPLICATIO S
Adjustable Current Source
VIN > 2.7V
C1 +
10µF
R5
0.01Ω
R1
1k
LT1004-1.2
R2
80.6k
R4 R6
2.2k 2.2k
LT1963-1.8
IN
OUT
SHDN FB
GND
C3
1µF
LOAD
R8
100k
R3
2k
NOTE: ADJUST R1 FOR
0A TO 1.5A CONSTANT CURRENT
C2
3.3µF
2+
8
1/2
1
LT1366
3–
4
R7
470Ω
1963 TA04
Paralleling of Regulators for Higher Output Current
VIN > 3.7V
+
C1
100µF
R1
0.01Ω
LT1963-3.3
IN
OUT
SHDN FB
GND
3.3V
+ 3A
C2
22µF
R2
0.01Ω
SHDN
LT1963
IN
OUT
SHDN FB
GND
R6
6.65k
R7
4.12k
R3
R4
R5
2.2k 2.2k
1k
3+
8
1/2
1
2
LT1366
–4
C3
0.01µF
1963 TA05
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Burst Mode is a trademark of Linear Technology Corporation.
COMMENTS
Includes 2.5V Reference and Comparator
30µA IQ, SOT-223 Package
50µA Quiescent Current
45µA IQ, 0.26V Dropout Voltage, SOT-223 Package
15µA IQ, Reverse Battery Protection
500mV Dropout Voltage
Up to 94% Efficiency, SOT-23 Package, 100% Duty Cycle
Burst ModeTM Operation, Monolithic, 100% Duty Cycle
20µA Quiescent Current, 20µVRMS Noise, SOT-23 Package
25µA Quiescent Current, 20µVRMS Noise, MSOP Package
30µA Quiescent Current, 20µVRMS Noise, SO-8 Package
340mV Dropout Voltage, 40µVRMS Noise
30µA Quiescent Current, 20µVRMS Noise, MSOP Package
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
1963fa
LT/TP 0602 1.5K REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2000
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