LT1963 Series
ELECTRICAL CHARACTERISTICS
The
q
denotes specifications which apply over the full operating temperature range, otherwise specifications are T
A
= 25°C. (Note 2)
PARAMETER
CONDITIONS
LT1963-2.5
LT1963-3.3
ADJ Pin Voltage
(Notes 4, 5)
Line Regulation
LT1963
LT1963-1.5
LT1963-1.8
LT1963-2.5
LT1963-3.3
LT1963 (Note 4)
LT1963-1.5
LT1963-1.8
LT1963-2.5
LT1963-3.3
V
IN
= 3V, I
LOAD
= 1mA
3.5V < V
IN
< 20V, 1mA < I
LOAD
< 1.5A
V
IN
= 3.8V, I
LOAD
= 1mA
4.3V < V
IN
< 20V, 1mA < I
LOAD
< 1.5A
V
IN
= 2.21V, I
LOAD
= 1mA
2.5V < V
IN
< 20V, 1mA < I
LOAD
< 1.5A
∆V
IN
= 2.21V to 20V, I
LOAD
= 1mA
∆V
IN
= 2.3V to 20V, I
LOAD
= 1mA
∆V
IN
= 3V to 20V, I
LOAD
= 1mA
∆V
IN
= 3.8V to 20V, I
LOAD
= 1mA
∆V
IN
= 2.21V to 20V, I
LOAD
= 1mA
V
IN
= 2.5V,
∆I
LOAD
= 1mA to 1.5A
V
IN
= 2.5V,
∆I
LOAD
= 1mA to 1.5A
V
IN
= 2.8V,
∆I
LOAD
= 1mA to 1.5A
V
IN
= 2.8V,
∆I
LOAD
= 1mA to 1.5A
V
IN
= 3.5V,
∆I
LOAD
= 1mA to 1.5A
V
IN
= 3.5V,
∆I
LOAD
= 1mA to 1.5A
V
IN
= 4.3V,
∆I
LOAD
= 1mA to 1.5A
V
IN
= 4.3V,
∆I
LOAD
= 1mA to 1.5A
q
q
q
q
q
q
q
q
q
MIN
2.462
2.412
3.250
3.200
1.192
1.174
TYP
2.500
2.500
3.300
3.300
1.210
1.210
2.0
2.5
3.0
3.5
1.5
2
2
MAX
2.538
2.575
3.350
3.400
1.228
1.246
10
10
10
10
10
9
18
10
20
15
30
20
35
8
15
0.06
0.10
0.17
0.22
0.27
0.35
0.45
0.55
1.5
1.6
5.5
25
120
10
2
1
30
1
UNITS
V
V
V
V
V
V
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
V
V
V
V
V
V
V
V
mA
mA
mA
mA
mA
µV
RMS
µA
V
V
µA
µA
µA
dB
A
A
Load Regulation
q
2.5
q
3
q
LT1963 (Note 4) V
IN
= 2.5V,
∆I
LOAD
= 1mA to 1.5A
V
IN
= 2.5V,
∆I
LOAD
= 1mA to 1.5A
Dropout Voltage
V
IN
= V
OUT(NOMINAL)
(Notes 6, 7, 12)
I
LOAD
= 1mA
I
LOAD
= 1mA
I
LOAD
= 100mA
I
LOAD
= 100mA
I
LOAD
= 500mA
I
LOAD
= 500mA
I
LOAD
= 1.5A
I
LOAD
= 1.5A
GND Pin Current
V
IN
= V
OUT(NOMINAL)
+ 1V
(Notes 6, 8)
I
LOAD
= 0mA
I
LOAD
= 1mA
I
LOAD
= 100mA
I
LOAD
= 500mA
I
LOAD
= 1.5A
C
OUT
= 10µF, I
LOAD
= 1.5A, BW = 10Hz to 100kHz
(Notes 4, 9)
V
OUT
= Off to On
V
OUT
= On to Off
V
SHDN
= 0V
V
SHDN
= 20V
V
IN
= 6V, V
SHDN
= 0V
V
IN
– V
OUT
= 1.5V (Avg), V
RIPPLE
= 0.5V
P-P
,
f
RIPPLE
= 120Hz, I
LOAD
= 0.75A
V
IN
= 7V, V
OUT
= 0V
V
IN
= V
OUT(NOMINAL)
+ 1V,
∆V
OUT
= – 0.1V
Q, T, S8 Packages V
IN
= – 20V, V
OUT
= 0V
ST Package
V
IN
= – 20V, V
OUT
= 0V
LT1963-1.5
LT1963-1.8
LT1963-2.5
LT1963-3.3
LT1963 (Note 4)
V
OUT
= 1.5V, V
IN
< 1.5V
V
OUT
= 1.8V, V
IN
< 1.8V
V
OUT
= 2.5V, V
IN
< 2.5V
V
OUT
= 3.3V, V
IN
< 3.3V
V
OUT
= 1.21V, V
IN
< 1.21V
2
q
0.02
q
0.10
q
0.19
q
0.34
q
q
q
q
q
q
1.0
1.1
3.8
15
80
40
3
Output Voltage Noise
ADJ Pin Bias Current
Shutdown Threshold
SHDN Pin Current
(Note 10)
Quiescent Current in Shutdown
Ripple Rejection
Current Limit
Input Reverse Leakage Current (Note 13)
Reverse Output Current (Note 11)
q
q
0.25
0.90
0.75
0.01
3
0.01
55
63
2
q
q
q
1.6
1
2
600
600
600
600
300
1200
1200
1200
1200
600
mA
mA
µA
µA
µA
µA
µA
1963fa
3
LINEAR [ LINEAR INTEGRATED SYSTEMS ]
