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參數(shù)資料
| 型號： | LDO59 |
| 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: Ultra Low Noise, High PSRR, Low Power, 20mA Low Dropout Voltage Regulator |
| 中文描述： | IP庫：超低噪聲，高PSRR，低功耗，20mA的低壓差穩(wěn)壓器 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 95K |
| 代理商： | LDO59 |
LDO_59
2/4
ELECTRICAL CHARACTERISTICS
3V < V
IN
< 5.5V, -30°C < T < 125°C, 0.8
μ
F < C
OUT
< 1.2
μ
F, 20m
< ESR < 0.6
, 100
μ
A < I
LOAD
< 20mA.
Typical case :
V
IN
= 4V, T = 25°C, I
OUT
= 10mA.
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
LOAD
R
ON
V
DO
20
mA
P
MOS
Output Resistance
Dropout Voltage
0,6
V
OUT
= 50mV,
I
LOAD
= 20mA
(Note 2)
60
mV
170
Quiescent current
I
Q
I
LOAD
= 100
μ
A
I
LOAD
= 20mA
Power down active
50
70
μ
A
70
150
μ
A
Power down mode quiescent
current
I
QPRWDWN
100
nA
Power Supply Rejection Ratio
PSRR
DC to 10KHz
55
70
dB
f < 100KHz
40
50
Load Regulation
Ldr
6
9
mV
Line Regulation
Lir
I
LOAD
= 20mA,
V
OUT
= 2.8V
V
OUT
= 2.8V,
I
LOAD
= 20mA,
V
IN
= 300mV
t
RISE
= t
FALL
= 10
μ
s
V
OUT
= 2.8V
t
FALL
= t
RISE
= 10
μ
s
Recovery time
0,5
1
mV
Line Transient
Lirt
0,5
1
mV
Load Transient
Ldtr
0,3
1
mV
4
6
μ
s
Output Noise Voltage
en
V
OUT
= 2.8V
100Hz < f < 1KHz
160
200
1KHz < f < 100KHz
60
Output decoupling capacitor
C
OUT
1
μ
F
Settling time (from power down
to active mode)
V
OUT
= 2.8V,
C
OUT
= 1.2
μ
F
20
50
μ
s
Short Circuit Current Limit
I
SHORT
200
mA
Hz
--nV
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