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LDO518 Datasheet(PDF) 3 Page - STMicroelectronics

Part No. LDO518
Description  IP Library: Low Noise, High PSRR 100mA Low Dropout Voltage Regulator
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LDO518 Datasheet(HTML) 3 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS
2V < VIN < 5V, -55°C < TA < +125°C, COUT = 2.2µF ±20%, 0.02Ω < ESR < 0.6Ω, ILOAD = 100mA.
Typical case : VIN = 4V, Ambient temperature, ILOAD = 100mA.
TYPICAL CHARACTERISTICS
Parameter
Symbol
Test Condition
Min.
Typ.
Max.
Unit
Output decoupling Capacitor
COUT
2.2
µF
Cout equivalent serial resistor
ESR
0.02
0.6
Ω
Short Circuit Current Limit
ISHORT
200
400
800
mA
Settling Time
tS
35
60
µs
Figure 3 : PSRR vs Frequency for Various Dropout (VOUT =1.8V, Full Load)
1
10
100
1000
10000
100000
1000000
-70
-60
-50
-40
-30
FREQUENCY (Hz)
Drop=170m V
Drop=250m V
Drop=500m V
Drop=1V


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