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