LD1117 series Electrical characteristics
13/38
Table 11. Electrical characteristics of LD1117#12C
(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).
Symbol Parameter Test Min. Typ. Max. Unit
V
ref
Reference voltage V
in
- V
O
= 2V, I
O
= 10 mA, T
J
= 25°C 1.176 1.20 1.224 V
V
ref
Reference voltage
I
O
= 10 to 800 mA, V
in
- V
O
= 1.4 to
10 V
1.120 1.20 1.280 V
∆V
O
Line regulation V
in
- V
O
= 1.5 to 13.75 V, I
O
= 10 mA 1 %
∆V
O
Load regulation V
in
- V
O
= 3 V, I
O
= 10 to 800 mA 1 %
∆V
O
Temperature stability 0.5 %
∆V
O
Long term stability 1000 hrs, T
J
= 125°C 0.3 %
V
in
Operating input voltage 15 V
I
adj
Adjustment pin current V
in
≤ 15 V 60 120 µA
∆I
adj
Adjustment pin current change
V
in
- V
O
= 1.4 to 10 V
I
O
= 10 to 800 mA
15µA
I
O(min)
Minimum load current V
in
= 15 V 2 5 mA
I
O
Output current V
in
- V
O
= 5 V, T
J
= 25°C 800 950 1300 mA
eN Output noise (%V
O
) B =10Hz to 10KHz, T
J
= 25°C 0.003 %
SVR Supply voltage rejection
I
O
= 40 mA, f = 120Hz, T
J
= 25°C
V
in
- V
O
= 3 V, V
ripple
= 1 V
PP
60 75 dB
V
d
Dropout voltage
I
O
= 100 mA, T
J
= 0 to 125°C 1 1.1
VI
O
= 500 mA, T
J
= 0 to 125°C 1.05 1.2
I
O
= 800 mA, T
J
= 0 to 125°C 1.10 1.3
Thermal regulation T
a
= 25°C, 30ms Pulse 0.01 0.1 %/W
