LT1963EST LINEAR [Linear Integrated Systems], LT1963EST Datasheet - Page 16
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LT1963EST
Manufacturer Part Number
LT1963EST
Description
1.5A, Low Noise, Fast Transient Response LDO Regulators
Manufacturer
LINEAR [Linear Integrated Systems]
Datasheet
1.LT1963EST.pdf
(16 pages)
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LT
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Part Number:
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LT1963 Series
V
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PART NUMBER
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LT1962 Series
Burst Mode is a trademark of Linear Technology Corporation.
TYPICAL APPLICATIO S
NOTE: ADJUST R1 FOR
0A TO 1.5A CONSTANT CURRENT
IN
> 2.7V
10 F
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507
C1
+
DESCRIPTION
125mA Low Dropout Regulator with 20 A I
150mA Micropower Low Dropout Regulator
700mA Micropower Low Dropout Regulator
500mA Negative Low Dropout Micropower Regulator
300mA Low Dropout Micropower Regulator with Shutdown
3A Low Dropout Regulator with 50 A I
Constant Frequency, Current Mode Step-Down DC/DC Controller
High Efficiency Synchronous Step-Down Switching Regulator
100mA, Low Noise, Low Dropout Micropower Regulators in SOT-23
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
Adjustable Current Source
LT1004-1.2
R3
2k
80.6k
R1
R2
3.3 F
1k
C2
0.01
R5
R4
2.2k
U
R6
2.2k
2
3
–
+
LT1366
1/2
www.linear.com
1 F
IN
SHDN
C3
LT1963-1.8
8
4
GND
OUT
1
Q
FB
Q
R7
470
LOAD
1963 TA04
R8
100k
V
IN
> 3.7V
Paralleling of Regulators for Higher Output Current
COMMENTS
Includes 2.5V Reference and Comparator
30 A I
50 A Quiescent Current
45 A I
15 A I
500mV Dropout Voltage
Up to 94% Efficiency, SOT-23 Package, 100% Duty Cycle
Burst Mode
20 A Quiescent Current, 20 V
25 A Quiescent Current, 20 V
30 A Quiescent Current, 20 V
340mV Dropout Voltage, 40 V
30 A Quiescent Current, 20 V
+
SHDN
C1
100 F
Q
Q
Q
, SOT-223 Package
, 0.26V Dropout Voltage, SOT-223 Package
, Reverse Battery Protection
TM
0.01
R2
Operation, Monolithic, 100% Duty Cycle
2.2k
0.01
R3
R1
2.2k
R4
LINEAR TECHNOLOGY CORPORATION 2000
LT/TP 0602 1.5K REV A • PRINTED IN USA
3
2
RMS
RMS
RMS
RMS
RMS
+
–
IN
SHDN
IN
SHDN
LT1963-3.3
LT1366
LT1963
1/2
GND
GND
Noise, SOT-23 Package
Noise, MSOP Package
Noise, SO-8 Package
Noise, MSOP Package
Noise
8
4
OUT
OUT
FB
FB
R5
1k
1
C3
0.01 F
R6
6.65k
R7
4.12k
+
1963 TA05
1963fa
C2
22 F
3.3V
3A