LD1117 series Electrical characteristics
7/38
Table 4. Electrical characteristics of LD1117#18
(refer to the test circuits, T
J
= 0 to 125°C, C
O
= 10 µF, unless otherwise specified).
Symbol Parameter Test Min. Typ. Max. Unit
V
O
Output voltage V
in
= 3.8 V, I
O
= 10 mA, T
J
= 25°C 1.78 1.8 1.82 V
V
O
Output voltage I
O
= 0 to 800 mA, V
in
= 3.3 to 8 V 1.76 1.84 V
∆V
O
Line regulation V
in
= 3.3 to 8 V, I
O
= 0 mA 1 6 mV
∆V
O
Load regulation V
in
= 3.3 V, I
O
= 0 to 800 mA 1 10 mV
∆V
O
Temperature stability 0.5 %
∆V
O
Long term stability 1000 hrs, T
J
= 125°C 0.3 %
V
in
Operating input voltage I
O
= 100 mA 10 V
I
d
Quiescent current V
in
≤ 8 V 5 10 mA
I
O
Output current V
in
= 6.8 V, T
J
= 25°C 800 950 1300 mA
eN Output noise voltage B =10Hz to 10KHz, T
J
= 25°C 100 µV
SVR Supply voltage rejection
I
O
= 40 mA, f = 120Hz, T
J
= 25°C
V
in
= 5.5 V, V
ripple
= 1 V
PP
60 75 dB
V
d
Dropout voltage
I
O
= 100 mA 1 1.1
VI
O
= 500 mA 1.05 1.15
I
O
= 800 mA 1.10 1.2
Thermal regulation T
a
= 25°C, 30ms Pulse 0.01 0.1 %/W
Table 5. Electrical characteristics of LD1117#25
(refer to the test circuits, T
J
= 0 to 125°C, C
O
= 10 µF, unless otherwise specified).
Symbol Parameter Test Min. Typ. Max. Unit
V
O
Output voltage V
in
= 4.5 V, I
O
= 10 mA, T
J
= 25°C 2.475 2.5 2.525 V
V
O
Output voltage I
O
= 0 to 800 mA, V
in
= 3.9 to 10 V 2.45 2.55 V
∆V
O
Line regulation V
in
= 3.9 to 10 V, I
O
= 0 mA 1 6 mV
∆V
O
Load regulation V
in
= 3.9 V, I
O
= 0 to 800 mA 1 10 mV
∆V
O
Temperature stability 0.5 %
∆V
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
≤ 10 V 5 10 mA
I
O
Output current V
in
= 7.5 VT
J
= 25°C 800 950 1300 mA
eN Output noise voltage B =10Hz to 10KHz, T
J
= 25°C 100 µV
SVR Supply voltage rejection
I
O
= 40 mA, f = 120Hz, T
J
= 25°C
V
in
= 5.5 V, V
ripple
= 1 V
PP
60 75 dB
V
d
Dropout voltage
I
O
= 100 mA 1 1.1
VI
O
= 500 mA 1.05 1.15
I
O
= 800 mA 1.10 1.2
Thermal regulation T
a
= 25°C, 30ms Pulse 0.01 0.1 %/W
