LT1963A Linear Technology, LT1963A Datasheet - Page 20

• Manufacturer Part Number: LT1963A
• Description: 1.5A/ Low Noise/ Fast Transient Response LDO Regulators
• Manufacturer: Linear Technology

LT1963A Series
V
RELATED PARTS
20
PART NUMBER
LT1120
LT1121
LT1129
LT1175
LT1521
LT1529
LT1772
LTC1627
LT1761 Series
LT1762 Series
LT1763 Series
LT1764A Series
LT1962 Series
LT1964
Burst Mode is a registered trademark of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
TYPICAL APPLICATIO S
NOTE: ADJUST R1 FOR
0A TO 1.5A CONSTANT CURRENT
IN
> 2.7V
10µF
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
C1
+
DESCRIPTION
125mA Low Dropout Regulator with 20mA 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 50mA 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
200mA, Low Noise, Negative LDO Micropower Regulator
Adjustable Current Source
LT1004-1.2
R3
2k
80.6k
R1
R2
3.3µF
1k
C2
0.01Ω
R5
R4
2.2k
U
R6
2.2k
2
3
–
+
LT1366
1/2
www.linear.com
1µF
IN
SHDN
C3
LT1963A-1.8
8
4
GND
OUT
1
Q
FB
Q
R7
470Ω
LOAD
1963 TA04
R8
100k
V
IN
> 3.7V
Paralleling of Regulators for Higher Output Current
COMMENTS
Includes 2.5V Reference and Comparator
30mA I
50mA Quiescent Current
45mA I
15mA I
500mV Dropout Voltage
Up to 94% Efficiency, SOT-23 Package, 100% Duty Cycle
Burst Mode
20mA Quiescent Current, 20mV
25mA Quiescent Current, 20mV
30mA Quiescent Current, 20mV
340mV Dropout Voltage, 40mV
30mA Quiescent Current, 20mV
30mA Quiescent Current, 30mV
+
SHDN
C1
100µF
Q
Q
Q
, SOT-223 Package
, 0.26V Dropout Voltage, SOT-223 Package
, Reverse Battery Protection
TM
0.01Ω
R2
Operation, Monolithic, 100% Duty Cycle
2.2k
0.01Ω
R3
R1
2.2k
R4
„ LINEAR TECHNOLOGY CORPORATION 2002
3
2
RMS
RMS
RMS
RMS
RMS
RMS
+
–
IN
SHDN
IN
SHDN
LT1963A-3.3
LT1366
LT1963A
1/2
LT/TP 0602 2K • PRINTED IN USA
GND
GND
Noise, ThinSOT
Noise, MSOP Package
Noise, SO-8 Package
Noise, MSOP Package
Noise, ThinSOT Package
Noise
8
4
OUT
OUT
FB
FB
R5
1k
1
C3
0.01µF
R6
6.65k
R7
4.12k
TM
Package
+
1963 TA05
1963af
C2
22µF
3.3V
3A