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參數(shù)資料
| 型號： | LDO514 |
| 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: High PSRR, Very Low power, 200mA Low Dropout Voltage Regulator |
| 中文描述： | IP庫：高PSRR，極低功耗，200mA的低壓差穩(wěn)壓器 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 164K |
| 代理商： | LDO514 |
LDO_514
2/4
ELECTRICAL CHARACTERISTICS
3V < V
IN
< 5.5V, -55°C < T
A
< +125°C, C
OUT
= 1μF ±20%, 20m
< ESR < 0.6
, I
LOAD
= 200mA.
Typical case : V
IN
= 4V, T = 25°C, C
OUT
= 1μF.
Notes: 1. Above characteristics are given for 3V 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)
V
IN
V
OUT
3
5.5
V
Output Voltage
2.8
V
Output Voltage Accuracy
3
%
Output current
I
OUT
V
DO
200
mA
Dropout Voltage
V
OUT
= 50mV,
I
LOAD
= 200mA
(Note 2)
50
mV
170
Quiescent current
I
Q
I
LOAD
= 100μA
I
LOAD
= 20mA
I
LOAD
= 200mA
Power down active
70
110
μA
90
130
320
440
Power down mode quiescent
current
I
QPDM
100
nA
Power Supply Rejection Ratio
PSRR
DC
65
dB
f = 10KHz
60
f = 100KHz
50
Line Regulation
L
IR
I
LOAD
= 200mA,
V
IN
= 3V to 5.5V
I
LOAD
= 100μA - 200mA
V
IN
= 300mV
t
RISE
= t
FALL
= 10μs
I
LOAD
= 100μA - 200mA
in 10μs
1.5
2.5
mV
Load Regulation
L
DR
L
IRT
35
40
mV
Line Transient
<1
mV
Load Transient
L
DTR
0.5
1
mV
Output Noise Voltage
en
100Hz
1400
1KHz
450
10KHz
150
en
RMS
C
OUT
BW : 100Hz to 100KHz
45
μV
RMS
μF
Output decoupling Capacitor
1
Settling time
I
LOAD
= 200mA
15
30
μs
Short Circuit Current Limit
I
SHORT
800
mA
Hz
--nV
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