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LDO514 数据表(PDF) 2 Page - STMicroelectronics

部件名 LDO514
功能描述  IP Library: High PSRR, Very Low power, 200mA Low Dropout Voltage Regulator
PDF  4 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LDO514 数据表(HTML) 2 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS
3V < VIN < 5.5V, -55°C < TA < +125°C, COUT = 1µF ±20%, 20mΩ < ESR < 0.6Ω, ILOAD = 200mA.
Typical case : VIN = 4V, T = 25°C, COUT = 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)
VIN
3
5.5
V
Output Voltage
VOUT
2.8
V
Output Voltage Accuracy
3
%
Output current
IOUT
200
mA
Dropout Voltage
∆V
DO
∆V
OUT = 50mV,
ILOAD = 200mA
50
mV
(Note 2)
170
Quiescent current
IQ
ILOAD = 100µA
70
110
µA
ILOAD = 20mA
90
130
ILOAD = 200mA
320
440
Power down mode quiescent
current
IQPDM
Power down active
100
nA
Power Supply Rejection Ratio
PSRR
DC
65
dB
f = 10KHz
60
f = 100KHz
50
Line Regulation
LIR
ILOAD = 200mA,
VIN = 3V to 5.5V
1.5
2.5
mV
Load Regulation
LDR
ILOAD = 100µA - 200mA
35
40
mV
Line Transient
LIRT
∆V
IN = 300mV
tRISE = tFALL = 10µs
<1
mV
Load Transient
LDTR
ILOAD = 100µA - 200mA
in 10µs
0.5
1
mV
Output Noise Voltage
en
100Hz
1400
1KHz
450
10KHz
150
enRMS
BW : 100Hz to 100KHz
45
µVRMS
Output decoupling Capacitor
COUT
1µF
Settling time
ILOAD = 200mA
15
30
µs
Short Circuit Current Limit
ISHORT
800
mA
nV
Hz
------------



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