LDO518 查看數據表（PDF） - STMicroelectronics
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LDO518 Datasheet PDF : 4 Pages
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LDO_518
ELECTRICAL CHARACTERISTICS
2V < VIN < 5V, -55°C < TA < +125°C, COUT = 2.2µF ±20%, 20 mΩ < ESR < 0.6Ω, ILOAD = 100mA.
Typical case : VIN = 4V, T = 25°C, COUT = 2.2µF.
Parameter
Symbol
Test Condition
Min.
Typ.
Max.
Unit
Input Voltage Range (Note 1)
Output Voltage
Output Voltage Accuracy
Output current
Dropout Voltage
Quiescent current
Power down mode quiescent
current
Power Supply Rejection Ratio
Line Regulation
Load Regulation
Line Transient
Load Transient
Output Noise Voltage
Settling time
VIN
VOUT
IOUT
∆VDO
IQ
IQPDM
∆VOUT = 50mV,
ILOAD = 100mA
(Note 2)
ILOAD = 100µA
ILOAD = 1mA
ILOAD = 10mA
ILOAD = 50mA
ILOAD=100mA
Power down active
2
5
V
1.8
V
3
%
100
mA
50
mV
170
25
µA
25
30
35
45
50
100
nA
PSRR
∆VDO = 170mV ;
45
50
dB
f < 1KHz
f < 10KHz
35
40
∆VDO = 500mV;
f < 100Hz
60
65
f < 1KHz
55
60
f < 10KHz
40
45
LIR
LDR
LIRT
LDTR
ILOAD = 100mA,
VIN = 2V to 5V
ILOAD = 100µA - 100mA
∆VIN = 300mV
tRISE = tFALL = 10µs
ILOAD = 100µA - 100mA
in 10µs
0.5
1
mV
15
20
mV
6
10
mV
7
50
mV
en
100Hz
1KHz
10KHz
140
75
---n---V-----
Hz
70
enRMS
BW : 100Hz to 100KHz
40
ILOAD = 100mA
35
µVRMS
µs
Notes: 1. Above characteristics are given for 3V minimum input operating range voltage, but regulator is
operational with 2.5V minimum input voltage.
2. All parameters are guaranteed with 170mV min Dropout voltage.
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