LDOC_515 查看數據表（PDF） - STMicroelectronics
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LDOC_515
STMicroelectronics
LDOC_515 Datasheet PDF : 4 Pages
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LDOC_515
ELECTRICAL CHARACTERISTICS
3V < VIN < 5.5V, -30°C < TA < +85°C, COUT = 4.7µF ±20%, 20mΩ < ESR < 0.6Ω, ILOAD = 100mA.
Typical case : VIN = 4V, T = 25°C, COUT = 4.7µF.
Parameter
Symbol
Test Condition
Min.
Typ.
Max.
Unit
Input Voltage Range (Note 1)
Output Voltage
Output Voltage Accuracy
VIN
VOUT
3
5.5
V
2.8
V
3
%
Output current
Dropout Voltage
IOUT
∆VDO
∆VOUT = 50mV,
ILOAD = 100mA
(Note 2)
150
100
mA
50
mV
Quiescent current
Power down mode quiescent
current
IQ
IQPDM
ILOAD = 100µA
ILOAD = 100mA
Power down active
30
40
µA
170
220
100
nA
Power Supply Rejection Ratio
PSRR
DC ; Dropout = 200mV
60
dB
f = 10KHz
40
55
f = 100KHz
35
40
Line Regulation
Load Regulation
Line Transient
Load Transient
LIR
LDR
LIRT
LDTR
ILOAD = 100mA,
VIN = 3V to 5.5V
ILOAD = 100µA - 100mA
∆VIN = 300mV
tRISE = tFALL = 5µs
ILOAD = 100µA - 100mA
in 5µs
2.5
3.5
mV
25
35
mV
<1
1.5
mV
1
2
mV
Output Noise Voltage
en
100Hz
2
--µ----V-----
Hz
1KHz
10KHz
650
---n---V-----
250
Hz
Output decoupling Capacitor
Settling time
Short Circuit Current Limit
enRMS
COUT
ISHORT
BW : 100Hz to 100KHz
ILOAD = 100mA
70
µVRMS
4.7
µF
40
120
µs
400
700
mA
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 150mV min Dropout voltage.
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