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參數(shù)資料
| 型號(hào)： | LDO517 |
| 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: Wide Range ESR Capacitor, Low Noise, 100mA Low Dropout Voltage Regulator |
| 中文描述： | IP庫：大范圍的ESR電容，低噪聲，100mA的低壓差穩(wěn)壓器 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 50K |
| 代理商： | LDO517 |
LDO_517
2/4
ELECTRICAL CHARACTERISTICS
3V < V
IN
< 5.5V, -30°C < T
A
< +125°C, C
OUT
= 1μF ±20%, ESR < 1
, I
LOAD
= 100mA.
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 2.5V minimum input voltage.
2. All parameters are guaranteed with 170mV min Dropout voltage.
3. Output Noise density reaches its maximum at 1MHz (300nV /
typical).
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
100
mA
Dropout Voltage
V
OUT
= 50mV,
I
LOAD
= 100mA
(Note 2)
50
mV
170
Quiescent current
I
Q
I
LOAD
= 100μA
I
LOAD
= 100mA
Power down active
50
65
μA
250
450
Power down mode quiescent
current
I
QPDM
100
nA
Power Supply Rejection Ratio
PSRR
DC ; Dropout = 170mV
45
55
dB
10KHz < f < 100KHz
45
55
DC ; Dropout = 200mV
55
60
10KHz < f < 100KHz
50
60
Line Regulation
L
IR
I
LOAD
= 100mA,
V
IN
= 3V to 5.5V
I
LOAD
= 100μA - 100mA
V
IN
= 300mV
t
RISE
= t
FALL
= 10μs
I
LOAD
= 100μA - 100mA
in 10μs
5
15
mV
Load Regulation
L
DR
L
IRT
15
20
mV
Line Transient
3
mV
Load Transient
L
DTR
3
mV
Output Noise Voltage (Note 3)
en
100Hz
80
1KHz - 10KHz
70
100KHz
85
en
RMS
C
OUT
BW : 100Hz to 100KHz
30
μV
RMS
μF
Output decoupling Capacitor
1
Settling time
I
LOAD
= 100mA
20
μs
Short Circuit Current Limit
I
SHORT
200
400
800
mA
Hz
--nV
Hz
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