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LDO58 Datasheet(PDF) 2 Page - STMicroelectronics

Part No. LDO58
Description  IP Library: Ultra Low Noise, Low power, 100mA Low Dropout Voltage Regulator
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LDO58 Datasheet(HTML) 2 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS
3V < VIN < 5.5V, -30°C < TA < +85°C, VREF = 2.8V, COUT = 1µF ±20%, 20mΩ < ESR < 0.6Ω,
ILOAD = 100mA.
Typical case : VIN = 4V, T = 25°C, COUT = 1µF.
Notes: 1. Above characteristics are given for 2.9V minimum input operating range voltage, but regulator
is operational with 2.7V minimum input voltage.
2. All parameters are guaranteed with 170mV min dropout voltage.
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Input Voltage Range (Note 1)
VIN
3
5,5
V
Output Voltage
VOUT
2,8
V
Output Voltage Accuracy
3
%
Output current
IOUT
100
mA
Dropout Voltage
∆V
DO
∆V
OUT = 50mV,
ILOAD = 100mA
50
mV
(Note 2)
170
Quiescent current
IQ
ILOAD = 100µA50
70
µA
ILOAD = 100mA
110
250
Quiescent Current in stand-by
mode
ISTDBY
ILOAD = 100µA20
40
Power down mode quiescent
current
IQPDM
Power down active
100
nA
Power Supply Rejection Ratio
PSRR
DC
45
65
dB
f = 10KHz
45
60
f = 100KHz
35
45
Line Regulation
Lir
ILOAD = 100mA,
VIN = 3V to 5.5V
0,5
1
mV
Load Regulation
Ldr
ILOAD = 100µA - 100mA
25
40
mV
Line Transient
Lirt
∆V
IN = 300mV
tRISE = tFALL=10µs
0,5
1,5
mV
Load Transient
Ldtr
ILOAD = 100µA - 100mA in 10µs3
10
mV
Output Noise Voltage
en
100Hz
40
65
1KHz - 10KHz
30
40
enRMS
BW : 10Hz to 100KHz
25
30
µV
RMS
Output decoupling Capacitor
COUT
1
µF
Settling time
From power down to active
mode
20
50
µs
Short Circuit Current Limit
ISHORT
200
mA
nV
Hz
------------


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