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LD39050PU18R Datasheet(PDF) 6 Page - STMicroelectronics

Part # LD39050PU18R
Description  500 mA low quiescent current low noise voltage regulator
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LD39050PU18R Datasheet(HTML) 6 Page - STMicroelectronics

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Electrical characteristics
LD39050xx
6/24
4
Electrical characteristics
TJ = 25 °C, VIN = 1.8 V, CIN = COUT = 1 µF, IOUT = 10 mA, VEN = VIN, unless otherwise
specified.
Table 6.
Electrical characteristics for the LD39050PU
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VIN
Operating input voltage
1.5
5.5
V
VADJ
VADJ accuracy
IOUT =10 mA, TJ = 25°C
784
800
816
mV
IOUT = 10 mA, -40°C<TJ<125°C
776
800
824
IADJ
Adjust pin current
1µA
ΔVOUT Static line regulation
VOUT +1 V ≤ VIN ≤ 5.5 V,
IOUT = 1 mA
0.01
%/V
ΔVOUT Transient line regulation (1)
ΔVIN=500 mV, IOUT=10 mA, tR=5
µs
10
mVpp
ΔVIN=500 mV, IOUT=10 mA, tF=5 µs
10
ΔVOUT Static load regulation
IOUT = 10 mA to 500 mA
0.002
%/mA
ΔVOUT Transient load regulation (1)
IOUT = 10 mA to 500 mA, tR=5µs
40
mVpp
IOUT = 10 mA to 500 mA, tF=5µs
40
VDROP Dropout voltage
(2)
IO = 500mA, VOUT fixed to 1.5V
40°C<TJ<125°C
200
400
mV
eN
Output noise voltage
10Hz to 100kHz, IOUT = 100 mA,
VOUT = 0.8 V
30
µVRMS
SVR
Supply voltage rejection
VOUT = 0.8V
VIN = 1.8V+/-VRIPPLE
VRIPPLE = 0.25V, freq. = 1kHz
IOUT = 10 mA
65
dB
VIN = 1.8V+/-VRIPPLE
VRIPPLE = 0.25V, freq.=10 kHz
IOUT = 100 mA
62
IQ
Quiescent current
IOUT = 0 mA
20
µA
IOUT= 0 mA, -40°C<TJ<125°C
50
IOUT = 0 to 500mA
100
IOUT=0 to 500mA, -
40°C<TJ<125°C
200
VIN input current in off mode:
VEN = GND
(3)
0.001
1
PG
Power Good output threshold
Rising edge
0.92*
VOUT
V
Falling edge
0.8*
VOUT
Power Good output voltage low Isink=6mA open drain output
0.4
V
ISC
Short-circuit current
RL=0
600
800
mA


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