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LDO58 Просмотр технического описания (PDF) - STMicroelectronics

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LDO58 IP Library: Ultra Low Noise, Low power, 100mA Low Dropout Voltage Regulator ST-Microelectronics
STMicroelectronics ST-Microelectronics
LDO58 Datasheet PDF : 4 Pages
1 2 3 4
LDO_58
ELECTRICAL CHARACTERISTICS
3V < VIN < 5.5V, -30°C < TA < +85°C, VREF = 2.8V, COUT = 1µF ±20%, 20m< ESR < 0.6,
ILOAD = 100mA.
Typical case : VIN = 4V, T = 25°C, COUT = 1µF.
Parameter
Symbol
Test Condition
Min Typ Max Unit
Input Voltage Range (Note 1)
Output Voltage
Output Voltage Accuracy
VIN
VOUT
3
5,5
V
2,8
V
3
%
Output current
Dropout Voltage
IOUT
VDO
VOUT = 50mV,
ILOAD = 100mA
(Note 2)
100 mA
50
mV
170
Quiescent current
Quiescent Current in stand-by
mode
IQ
ISTDBY
ILOAD = 100µA
ILOAD = 100mA
ILOAD = 100µA
50
70
µA
110 250
20
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
Load Regulation
Line Transient
Load Transient
Output Noise Voltage
Lir
ILOAD = 100mA,
VIN = 3V to 5.5V
Ldr
ILOAD = 100µA - 100mA
Lirt
VIN = 300mV
tRISE = tFALL=10µs
Ldtr
ILOAD = 100µA - 100mA in 10µs
en
100Hz
1KHz - 10KHz
0,5
1
mV
25
40
mV
0,5
1,5
mV
3
10
mV
40
65
--n----V-----
30
40
Hz
Output decoupling Capacitor
Settling time
enRMS
COUT
BW : 10Hz to 100KHz
From power down to active
mode
25
30 µVRMS
1
µF
20
50
µs
Short Circuit Current Limit
ISHORT
200 mA
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.
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