Datasheet

DocID2572 Rev 33 19/44
LD1117 Electrical characteristics
Refer to the test circuits, T
J
= -40 to 125 °C, C
O
= 10 µF, unless otherwise specified.
Table 13. Electrical characteristics of LD1117#50C
Symbol Parameter Test condition Min. Typ. Max. Unit
V
O
Output voltage V
in
= 7 V, I
O
= 10 mA, T
J
= 25 °C 4.9 5 5.1 V
V
O
Output voltage I
O
= 0 to 800 mA, V
in
= 6.5 to 15 V 4.8 5.2 V
ΔV
O
Line regulation V
in
= 6.5 to 15 V, I
O
= 0 mA 1 50 mV
ΔV
O
Load regulation V
in
= 6.5 V, I
O
= 0 to 800 mA 1 50 mV
ΔV
O
Temperature stability 0.5 %
ΔV
O
Long term stability 1000 hrs, T
J
= 125 °C 0.3 %
V
in
Operating input voltage I
O
= 100 mA 15 V
I
d
Quiescent current V
in
≤ 15 V 5 10 mA
I
O
Output current V
in
= 10 V, T
J
= 25 °C 800 950 1300 mA
eN Output noise voltage B = 10 Hz to 10 kHz, T
J
= 25 °C 100 µV
SVR Supply voltage rejection
I
O
= 40 mA, f = 120 Hz, T
J
= 25 °C
V
in
= 8 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 1.15
I
O
= 800 mA, T
J
= 0 to 125 °C 1.10 1.2
V
d
Dropout voltage
I
O
= 100 mA 1.1
VI
O
= 500 mA 1.2
I
O
= 800 mA 1.3
Thermal regulation T
a
= 25 °C, 30 ms Pulse 0.01 0.1 %/W