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LD39050PU15R 数据表(PDF) 8 Page - STMicroelectronics

部件名 LD39050PU15R
功能描述  500 mA low quiescent current low noise voltage regulator
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LD39050PU15R 数据表(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
LD39050xx
8/24
TJ = 25 °C, VIN = VOUT(NOM) + 1 V, CIN = COUT = 1 µF, IOUT = 10 mA, VEN = VIN, unless
otherwise specified.
Table 7.
Electrical characteristics for the LD39050PUxx
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VIN
Operating input voltage
1.5
5.5
V
VOUT
VOUT accuracy
VOUT >1.5V, IOUT =10 mA,
TJ = 25°C
-2.0
2.0
%
VOUT >1.5 V, IOUT = 10 mA,
-40°C<TJ<125°C
-3.0
3.0
VOUT ≤ 1.5 V, IOUT = 10 mA
±20
mV
VOUT ≤ 1.5 V, IOUT =10 mA,
-40°C<TJ<125°C
±30
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)
IOUT = 500mA, VOUT > 1.5 V
-40°C<TJ<125°C
200
400
mV
eN
Output noise voltage
10Hz to 100kHz, IO = 100 mA,
30
µVRMS
SVR
Supply voltage rejection
VOUT = 1.5V
VIN = VOUT(NOM)+0.5V+/-VRIPPLE
VRIPPLE = 0.1V, freq. = 1kHz
IOUT = 10 mA
65
dB
VIN = VOUT(NOM)+0.5V+/-VRIPPLE
VRIPPLE = 0.1V, 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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