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LD1117AXX25 数据表(PDF) 11 Page - STMicroelectronics

部件名 LD1117AXX25
功能描述  Low drop fixed and adjustable positive voltage regulators
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LD1117AXX25 数据表(HTML) 11 Page - STMicroelectronics

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LD1117Axx
Electrical characteristics
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Table 8.
Electrical characteristics of LD1117A (Adjustable)
(refer to the test circuits, TJ = 0 to 125 °C, CO = 10 µF, CI = 10 µF unless otherwise
specified).
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
VI = 5.3V, IO = 10mA, TJ = 25°C
1.225
1.25
1.275
V
VO
Output voltage
IO = 0 to 1A, VI = 2.75 to 10V
1.2
1.3
V
ΔVO
Line regulation
VI = 2.75 to 8V, IO = 0mA
1
6
mV
ΔVO
Load regulation
VI = 2.75V, IO = 0 to 1A
1
10
mV
ΔVO
Temperature stability
0.5
%
ΔVO
Long term stability
1000 hrs, TJ = 125°C
0.3
%
VI
Operating input voltage
IO = 100mA
10
V
Iadj
Adjustment pin current
Vin ≤ 10 V
60
120
µA
ΔIadj
Adjustment pin current
change
Vin - VO = 1.4 to 10 V, IO = 10mA to 1A
1
5
µA
IO(min)
Minimum load current
Vin = 10 V
2
5
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
ΔVO(pwr) Thermal regulation
Ta = 25°C, 30ms Pulse
0.08
0.2
%/W


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