Datasheet

LT1763 Series
5
1763fg
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. (Note 2)
PARAMETER CONDITIONS MIN TYP MAX UNITS
ADJ Pin Voltage
(Notes 3, 4)
LT1763 V
IN
= 2.2V, I
LOAD
= 1mA
C, I Grade: 2.3V < V
IN
< 20V, 1mA < I
LOAD
< 500mA
MP Grade: 2.35V < V
IN
< 20V, 1mA < I
LOAD
< 500mA
l
l
1.208
1.190
1.190
1.220
1.220
1.220
1.232
1.250
1.250
V
V
V
Line Regulation LT1763-1.5 C, I Grade: ΔV
IN
= 2V to 20V, I
LOAD
= 1mA
LT1763-1.5 MP Grade: ΔV
IN
= 2.1V to 20V, I
LOAD
= 1mA
LT1763-1.8 ΔV
IN
= 2.3V to 20V, I
LOAD
= 1mA
LT1763-2.5 ΔV
IN
= 3V to 20V, I
LOAD
= 1mA
LT1763-3 ΔV
IN
= 3.5V to 20V, I
LOAD
= 1mA
LT1763-3.3 ΔV
IN
= 3.8V to 20V, I
LOAD
= 1mA
LT1763-5 ΔV
IN
= 5.5V to 20V, I
LOAD
= 1mA
LT1763 (Note 3) C, I Grade: ΔV
IN
= 2V to 20V, I
LOAD
= 1mA
LT1763 (Note 3) MP Grade: ΔV
IN
= 2.1V to 20V, I
LOAD
= 1mA
l
l
l
l
l
l
l
l
l
1
1
1
1
1
1
1
1
1
5
5
5
5
5
5
5
5
5
mV
mV
mV
mV
mV
mV
mV
mV
mV
Load Regulation LT1763-1.5 V
IN
= 2.5V, ΔI
LOAD
= 1mA to 500mA
V
IN
= 2.5V, ΔI
LOAD
= 1mA to 500mA
l
38
15
mV
mV
LT1763-1.8 V
IN
= 2.8V, ΔI
LOAD
= 1mA to 500mA
V
IN
= 2.8V, ΔI
LOAD
= 1mA to 500mA
l
49
18
mV
mV
LT1763-2.5 V
IN
= 3.5V, ΔI
LOAD
= 1mA to 500mA
V
IN
= 3.5V, ΔI
LOAD
= 1mA to 500mA
l
512
25
mV
mV
LT1763-3 V
IN
= 4V, ΔI
LOAD
= 1mA to 500mA
V
IN
= 4V, ΔI
LOAD
= 1mA to 500mA
l
715
30
mV
mV
LT1763-3.3 V
IN
= 4.3V, ΔI
LOAD
= 1mA to 500mA
V
IN
= 4.3V, ΔI
LOAD
= 1mA to 500mA
l
717
33
mV
mV
LT1763-5 V
IN
= 6V, ΔI
LOAD
= 1mA to 500mA
V
IN
= 6V, ΔI
LOAD
= 1mA to 500mA
l
12 25
50
mV
mV
LT1763 (Note 3) V
IN
= 2.3V, ΔI
LOAD
= 1mA to 500mA
C, I Grade: V
IN
= 2.3V, ΔI
LOAD
= 1mA to 500mA
MP Grade: V
IN
= 2.35V, ΔI
LOAD
= 1mA to 500mA
l
l
26
12
12
mV
mV
mV
Dropout Voltage
V
IN
= V
OUT(NOMINAL)
(Notes 5, 6, 11)
I
LOAD
= 10mA
I
LOAD
= 10mA
l
0.13 0.19
0.25
V
V
I
LOAD
= 50mA
I
LOAD
= 50mA
l
0.17 0.22
0.32
V
V
I
LOAD
= 100mA
I
LOAD
= 100mA
l
0.20 0.24
0.34
V
V
I
LOAD
= 500mA
I
LOAD
= 500mA
l
0.30 0.35
0.45
V
V
GND Pin Current
V
IN
= V
OUT(NOMINAL)
(Notes 5, 7)
I
LOAD
= 0mA
I
LOAD
= 1mA
I
LOAD
= 50mA
I
LOAD
= 100mA
I
LOAD
= 250mA
I
LOAD
= 500mA
l
l
l
l
l
l
30
65
1.1
2
5
11
75
120
1.6
3
8
16
μA
μA
mA
mA
mA
mA
Output Voltage Noise C
OUT
= 10μF, C
BYP
= 0.01μF, I
LOAD
= 500mA, BW = 10Hz to 100kHz 20 μV
RMS
ADJ Pin Bias Current (Notes 3, 8) 30 100 nA
Shutdown Threshold V
OUT
= Off to On
V
OUT
= On to Off
l
l
0.25
0.8
0.65
2V
V
SHDN Pin Current
(Note 9)
V
SHDN
= 0V
V
SHDN
= 20V
0.1
1
μA
μA
Quiescent Current in Shutdown V
IN
= 6V, V
SHDN
= 0V 0.1 1 μA
Ripple Rejection V
IN
– V
OUT
= 1.5V (Avg), V
RIPPLE
= 0.5V
P-P
, f
RIPPLE
= 120Hz,
I
LOAD
= 500mA
50 65 dB