LD1117xx
Electrical characteristics
5
Electrical characteristics
Refer to the test circuits, T
J
= 0 to 125
°C,
C
O
= 10 µF, R = 120
Ω
between GND and OUT
pins, unless otherwise specified.
Table 4.
Symbol
V
O
V
O
ΔV
O
ΔV
O
ΔV
O
ΔV
O
V
in
I
adj
ΔI
adj
I
O(min)
I
O
eN
SVR
Electrical characteristics of LD1117#12
Parameter
Output voltage
Reference voltage
Line regulation
Load regulation
Temperature stability
Long term stability
Operating input voltage
Adjustment pin current
Adjustment pin current change
Minimum load current
Output current
Output noise (%V
O
)
Supply voltage rejection
V
in
≤
15 V
V
in
- V
O
= 1.4 to 10 V
I
O
= 10 to 800 mA
V
in
= 15 V
V
in
- V
O
= 5 V, T
J
= 25 °C
B = 10 Hz to 10 kHz, T
J
= 25 °C
I
O
= 40 mA, f = 120 Hz, T
J
= 25 °C
V
in
- V
O
= 3 V, V
ripple
= 1 V
PP
I
O
= 100 mA
60
800
60
1
2
950
0.003
75
1
1.05
1.10
0.01
1.1
1.15
1.2
0.1
%/W
V
1000 hrs, T
J
= 125 °C
Test condition
V
in
= 3.2 V, I
O
= 10 mA, T
J
= 25 °C
I
O
= 10 to 800 mA
V
in
- V
O
= 1.4 to 10 V
V
in
- V
O
= 1.5 to 13.75 V, I
O
= 10 mA
V
in
- V
O
= 3 V, I
O
= 10 to 800 mA
Min.
1.188
1.140
Typ.
1.20
1.20
0.035
0.1
0.5
0.3
15
120
5
5
1300
Max.
1.212
1.260
0.2
0.4
Unit
V
V
%
%
%
%
V
µA
µA
mA
mA
%
dB
V
d
Dropout voltage
I
O
= 500 mA
I
O
= 800 mA
Thermal regulation
T
a
= 25 °C, 30 ms Pulse
Doc ID 2572 Rev 28
9/42
STMICROELECTRONICS [ STMICROELECTRONICS ]
