參數(shù)資料
型號(hào)： LDO518
廠商： 意法半導(dǎo)體
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： IP Library: Low Noise, High PSRR 100mA Low Dropout Voltage Regulator
中文描述： IP庫(kù)：低噪聲，高PSRR 100mA的低壓差穩(wěn)壓器
文件頁(yè)數(shù)： 2/4頁(yè)
文件大?。?/td> 105K
代理商： LDO518
LDO_518
2/4
ELECTRICAL CHARACTERISTICS
2V < V
IN
< 5V, -55°C < T
A
< +125°C, C
OUT
= 2.2μF ±20%, 20 m
< ESR < 0.6
, I
LOAD
= 100mA.
Typical case : V
IN
= 4V, T = 25°C, C
OUT
= 2.2μF.
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.
Parameter
Symbol
Test Condition
Min.
Typ.
Max.
Unit
Input Voltage Range (Note 1)
V
IN
V
OUT
2
5
V
Output Voltage
1.8
V
Output Voltage Accuracy
3
%
Output current
I
OUT
V
DO
100
mA
Dropout Voltage
V
OUT
= 50mV,
I
LOAD
= 100mA
(Note 2)
50
mV
170
Quiescent current
I
Q
I
LOAD
= 100μA
I
LOAD
= 1mA
I
LOAD
= 10mA
I
LOAD
= 50mA
I
LOAD
=100mA
Power down active
25
μA
25
30
35
45
50
Power down mode quiescent
current
I
QPDM
100
nA
Power Supply Rejection Ratio
PSRR
V
DO
= 170mV ;
f < 1KHz
45
50
dB
f < 10KHz
35
40
V
DO
= 500mV;
f < 100Hz
60
65
f < 1KHz
55
60
f < 10KHz
40
45
Line Regulation
L
IR
I
LOAD
= 100mA,
V
IN
= 2V to 5V
I
LOAD
= 100μA - 100mA
V
IN
= 300mV
t
RISE
= t
FALL
= 10μs
I
LOAD
= 100μA - 100mA
in 10μs
0.5
1
mV
Load Regulation
L
DR
L
IRT
15
20
mV
Line Transient
6
10
mV
Load Transient
L
DTR
7
50
mV
Output Noise Voltage
en
100Hz
140
1KHz
75
10KHz
70
en
RMS
BW : 100Hz to 100KHz
40
μV
RMS
μs
Settling time
I
LOAD
= 100mA
35
Hz
-nV
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