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LD39020TPU28R Scheda tecnica(PDF) 10 Page - STMicroelectronics

Il numero della parte LD39020TPU28R
Spiegazioni elettronici  200 mA very low quiescent current linear regulator IC
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LD39020TPU28R Scheda tecnica(HTML) 10 Page - STMicroelectronics

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Electrical characteristics
LD39020
10/30
DocID025316 Rev 3
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
COUT
Output capacitor
Capacitance (see Figure 17:
"Stability area vs (COUT, ESR)")
0.47
22
µF
Notes:
(1)
Not applicable for Vout(nom) > 4.5 V
(2)
Turn-on time is time measured between the enable input just exceeding VEN high value and the output voltage
just reaching 95 % of its nominal value
TJ = 25 °C, VIN = VOUT(NOM) + 1 V , CIN = COUT = 1 µF, IOUT = 1 mA, VEN = VIN, unless
otherwise specified.
Table 6: Electrical characteristics for LD39020AT, LD39020ADT
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VIN
Operating input
voltage
1.5
5.5
V
VOUT
VOUT accuracy
IOUT = 1 mA, TJ = 25 °C
-0.5
0.5
%
IOUT = 1 mA,
-40 °C<TJ<125 °C
-1.5
1.5
%
∆V
OUT
Static line
regulation
(1)
VOUT(NOM) + 1 V ≤ VIN ≤ 5.5 V,
IOUT = 10 mA
0.02
%/V
-40 °C<TJ<125 °C
0.2
∆V
OUT
Static load
regulation
IOUT = 0 mA to 200 mA
10
mV
-40 °C<TJ<125 °C
0.01
%/mA
VDROP
Dropout voltage
IOUT = 30 mA,VOUT = 2.8 V
35
mV
IOUT = 200 mA, VOUT = 2.8 V
-40 °C<TJ<125 °C
200
350
eN
Output noise
voltage
10 Hz to 100 kHz, IOUT = 10 mA
45
µVRM
S
SVR
Supply voltage
rejection
VIN = VOUT(NOM)+ 1 V +/- VRIPPLE
VRIPPLE = 0.2 V Freq. = 1 kHz
IOUT = 30 mA
80
dB
VIN = VOUT(NOM)+ 1 V +/- VRIPPLE
VRIPPLE = 0.2 V Freq. = 100 kHz
IOUT = 30 mA
55
IQ
Quiescent
current
IOUT = 0 mA
20
40
µA
IOUT = 200 mA
100
IStandby
Standby current
VIN input current in OFF MODE:
VEN = GND
0.03
1
µA
ISC
Short circuit
current
RL = 0
250
350
mA
RON
Output voltage
discharge
MOSFET
(only on LD39020ADT)
100


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