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LD1117A Datasheet(PDF) 6 Page - STMicroelectronics

Part No. LD1117A
Description  LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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LD1117A Datasheet(HTML) 6 Page - STMicroelectronics

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Electrical characteristics
LD1117A series
6/27
4
Electrical characteristics
Table 3.
Electrical characteristics of LD1117A#12
(refer to the test circuits, TJ = 0 to 125°C, CO = 10 µF, CI = 10 µF, R = 120 Ω between OUT-
GND, unless otherwise specified).
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
VI = 5.3V, IO = 10mA, TJ = 25°C
1.176
1.2
1.224
V
VO
Output voltage
IO = 0 to 1A, VI = 2.75 to 10V
1.152
1.2
1.248
V
∆VO
Line regulation
VI = 2.75 to 8V, IO = 0mA
1
6
mV
∆VO
Load regulation
VI = 2.75V, IO = 0 to 1A
1
10
mV
∆VO
Temperature stability
0.5
%
∆VO
Long term stability
1000 hrs, TJ = 125°C
0.3
%
VI
Operating input voltage
IO = 100mA
10
V
Id
Quiescent current
VI ≤8V, IO = 0mA
5
10
mA
IO
Output current
VI - VO = 5V, TJ = 25°C
1000
1200
mA
eN
Output noise voltage
B =10Hz to 10KHz, TJ = 25°C
100
µV
SVR
Supply voltage rejection
IO = 40mA, f = 120Hz
VI - VO = 3V, Vripple = 1VPP
60
80
dB
VD
Dropout voltage
IO = 100mA
1
1.10
V
IO = 500mA
1.05
1.15
IO = 1A
1.15
1.30
∆VO(pwr) Thermal regulation
Ta = 25°C, 30ms Pulse
0.08
0.2
%/W


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