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LD1117 Datasheet(PDF) 6 Page - STMicroelectronics

Part No. LD1117
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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Electrical characteristics
LD1117 series
6/38
4
Electrical characteristics
Table 3.
Electrical characteristics of LD1117#12
(refer to the test circuits, TJ = 0 to 125°C, CO = 10 µF, R = 120 Ω between GND and OUT
pins, unless otherwise specified).
Symbol
Parameter
Test
Min.
Typ.
Max.
Unit
VO
Output voltage
Vin = 3.2 V, IO = 10 mA, TJ = 25°C
1.188
1.20
1.212
V
VO
Reference voltage
IO = 10 to 800 mA
Vin - VO= 1.4 to 10 V
1.140
1.20
1.260
V
∆VO
Line regulation
Vin - VO = 1.5 to 13.75 V, IO = 10 mA
0.035
0.2
%
∆VO
Load regulation
Vin - VO = 3 V, IO = 10 to 800 mA
0.1
0.4
%
∆VO
Temperature stability
0.5
%
∆VO
Long term stability
1000 hrs, TJ = 125°C
0.3
%
Vin
Operating input voltage
15
V
Iadj
Adjustment pin current
Vin ≤15 V
60
120
µA
∆Iadj
Adjustment pin current change
Vin - VO = 1.4 to 10 V
IO = 10 to 800 mA
15
µA
IO(min)
Minimum load current
Vin = 15 V
2
5
mA
IO
Output current
Vin - VO = 5 V, TJ = 25°C
800
950
1300
mA
eN
Output noise (%VO)
B =10Hz to 10KHz, TJ = 25°C
0.003
%
SVR
Supply voltage rejection
IO = 40 mA, f = 120Hz, TJ = 25°C
Vin - VO = 3 V, Vripple = 1 VPP
60
75
dB
Vd
Dropout voltage
IO = 100 mA
1
1.1
V
IO = 500 mA
1.05
1.15
IO = 800 mA
1.10
1.2
Thermal regulation
Ta = 25°C, 30ms Pulse
0.01
0.1
%/W




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