LT1963A Linear Technology, LT1963A Datasheet - Page 3

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

The
PARAMETER
Minimum Input Voltage (Notes 4,12)
Regulated Output Voltage (Note 5)
ADJ Pin Voltage
(Notes 4, 5)
Line Regulation
Load Regulation
Dropout Voltage
V
(Notes 6, 7, 12)
GND Pin Current
V
(Notes 6, 8)
Output Voltage Noise
ADJ Pin Bias Current
Shutdown Threshold
SHDN Pin Current
(Note 10)
Quiescent Current in Shutdown
Ripple Rejection
Current Limit
ELECTRICAL CHARACTERISTICS
IN
IN
= V
= V
OUT(NOMINAL)
OUT(NOMINAL)
denotes specifications which apply over the full operating temperature range, otherwise specifications are T
+ 1V
CONDITIONS
I
I
LT1963A-1.5
LT1963A-1.8
LT1963A-2.5
LT1963A-3.3
LT1963A
LT1963A-1.5
LT1963A-1.8
LT1963A-2.5
LT1963A-3.3
LT1963A (Note 4) DV
LT1963A-1.5
LT1963A-1.8
LT1963A-2.5
LT1963A-3.3
LT1963A (Note 4) V
I
I
I
I
I
I
I
I
I
I
I
I
I
C
(Notes 4, 9)
V
V
V
V
V
V
f
V
V
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
RIPPLE
OUT
OUT
OUT
SHDN
SHDN
IN
IN
IN
IN
= 6V, V
– V
= 7V, V
= V
= 10mF, I
= Off to On
= On to Off
= 0.5A
= 1.5A
= 1mA
= 1mA
= 100mA
= 100mA
= 500mA
= 500mA
= 1.5A
= 1.5A
= 0mA
= 1mA
= 100mA
= 500mA
= 1.5A
= 0V
= 20V
OUT
OUT(NOMINAL)
= 120Hz, I
SHDN
OUT
= 1.5V (Avg), V
LOAD
= 0V
= 0V
LOAD
= 1.5A, BW = 10Hz to 100kHz
V
2.5V < V
V
2.8V < V
V
3.5V < V
V
4.3V < V
V
2.5V < V
DV
DV
DV
DV
V
V
V
V
V
V
V
V
V
+ 1V, DV
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 0.75A
IN
IN
IN
IN
IN
= 2.21V, I
= 2.3V, I
= 3V, I
= 3.8V, I
= 2.21V, I
= 2.5V, DI
= 2.5V, DI
= 2.8V, DI
= 2.8V, DI
= 3.5V, DI
= 3.5V, DI
= 4.3V, DI
= 4.3V, DI
= 2.5V, DI
= 2.5V, DI
= 2.21V to 20V, I
= 2.3V to 20V, I
= 3V to 20V, I
= 3.8V to 20V, I
= 2.21V to 20V, I
RIPPLE
IN
IN
IN
IN
IN
OUT
LOAD
< 20V, 1mA < I
< 20V, 1mA < I
< 20V, 1mA < I
< 20V, 1mA < I
< 20V, 1mA < I
LOAD
LOAD
= 0.5V
= – 0.1V
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
= 1mA
= 1mA
= 1mA
= 1mA
= 1mA
LOAD
= 1mA to 1.5A
= 1mA to 1.5A
= 1mA to 1.5A
= 1mA to 1.5A
= 1mA to 1.5A
= 1mA to 1.5A
= 1mA to 1.5A
= 1mA to 1.5A
= 1mA to 1.5A
= 1mA to 1.5A
P-P
LOAD
LOAD
LOAD
LOAD
,
= 1mA
LOAD
LOAD
LOAD
LOAD
LOAD
= 1mA
= 1mA
= 1mA
= 1mA
< 1.5A
< 1.5A
< 1.5A
< 1.5A
< 1.5A
1.477
1.447
1.773
1.737
2.462
2.412
3.250
3.200
1.192
1.174
0.25
MIN
1.6
55
LT1963A Series
1.500
1.500
1.800
1.800
2.500
2.500
3.300
3.300
1.210
1.210
0.02
0.10
0.19
0.34
0.90
0.75
0.01
0.01
TYP
1.9
2.1
2.0
2.5
3.0
3.5
1.5
2.5
1.0
1.1
3.8
15
80
40
63
2
2
3
2
3
3
2
A
= 25∞C. (Note 2)
1.523
1.545
1.827
1.854
2.538
2.575
3.350
3.400
1.228
1.246
MAX
0.06
0.10
0.17
0.22
0.27
0.35
0.45
0.55
120
2.5
1.5
1.6
5.5
10
10
18
10
20
15
30
20
35
15
25
10
30
6
7
5
9
8
2
1
1
mV
UNITS
1963af
3
RMS
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
mA
mA
mA
mA
mA
mA
dB
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A
A