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| LD1117XX Datasheet, PDF (15/42 Pages) STMicroelectronics – Adjustable and fixed low drop positive voltage regulator | |||
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LD1117xx
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C, CO = 10 µF, unless otherwise specified.
Table 10. Electrical characteristics of LD1117 (adjustable)
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
Vref
Vref
ÎVO
ÎVO
ÎVO
ÎVO
Vin
Iadj
ÎIadj
IO(min)
IO
eN
SVR
Vd
Reference voltage
Reference voltage
Line regulation
Load regulation
Temperature stability
Vin - VO = 2 V, IO = 10 mA, TJ = 25 °C 1.238
IO = 10 to 800 mA, Vin - VO = 1.4 to 10 V 1.225
Vin - VO = 1.5 to 13.75 V, IO = 10 mA
Vin - VO = 3 V, IO = 10 to 800 mA
Long term stability
Operating input voltage
1000 hrs, TJ = 125 °C
Adjustment pin current
Vin ⤠15 V
Adjustment pin current change Vin - VO = 1.4 to 10 V, IO = 10 to 800 mA
Minimum load current
Vin = 15 V
Output current
Vin - VO = 5 V, TJ = 25 °C
800
Output noise (%VO)
B = 10 Hz to 10 kHz, TJ = 25 °C
Supply voltage rejection
IO = 40 mA, f = 120 Hz, TJ = 25 °C
Vin - VO = 3 V, Vripple = 1 VPP
60
IO = 100 mA
Dropout voltage
IO = 500 mA
IO = 800 mA
Thermal regulation
Ta = 25 °C, 30 ms Pulse
1.25 1.262
1.275
0.035 0.2
0.1 0.4
0.5
0.3
15
60 120
1
5
2
5
950 1300
0.003
75
1 1.1
1.05 1.15
1.10 1.2
0.01 0.1
V
V
%
%
%
%
V
µA
µA
mA
mA
%
dB
V
%/W
Doc ID 2572 Rev 28
15/42
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