Electrical characteristics
LD1117 series
4
Table 3.
Electrical characteristics
Electrical characteristics of LD1117#12
(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).
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 =10Hz to 10KHz, T
J
= 25°C
I
O
= 40 mA, f = 120Hz, T
J
= 25°C
V
in
- V
O
= 3 V, V
ripple
= 1 V
PP
I
O
= 100 mA
V
d
Dropout voltage
I
O
= 500 mA
I
O
= 800 mA
Thermal regulation
T
a
= 25°C, 30ms Pulse
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
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
Symbol
V
O
V
O
∆V
O
∆V
O
∆V
O
∆V
O
V
in
I
adj
∆I
adj
I
O(min)
I
O
eN
SVR
6/38
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