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ACE520C 데이터시트 PDF




ACE Technology에서 제조한 전자 부품 ACE520C은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 ACE520C 기능
기능 Dual 300mA High PSRR Linear Regulator
제조업체 ACE Technology
로고 ACE Technology 로고


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ACE520C 데이터시트, 핀배열, 회로
ACE520C
Dual 300mA High PSRR Linear Regulator
Description
ACE520C dual, low-noise, low-dropout regulator delivers at least 300mA of continuous output current.
The output voltage for each regulator is set independently by trimming. Output voltages are selectable in
100mV steps within a range of 1.0V to 4.5V. Typical output noise is 47uVrms,and PSRR is 73dB at 100Hz.
The ACE520C includes two independent logic-controlled shutdown inputs and allows the output of each
regulator to be turned of independently.
The ACE520C includes high accuracy voltage reference, error amplifier, current limit circuit and output
driver module.
The ACE520C has excellent load and line transient response and good temperature characteristics,
which can assure the stability of chip and power system. And it uses trimming technique to guarantee
output voltage accuracy within± 2%.
Features
Two low dropout voltage regulators
300mA output current for each LDO
35uA operating supply current per LDO
Low 47uVRMS output noise
Standby Mode: 0.1uA
Low 300mV dropout at 300mA load
73dB PSRR at 100Hz
Excellent Line regulation: 0.05%/V
Independent Shutdown controls
1.0V to 4.5V Factory-Preset Output
Output Current Limit
Highly Accurate: ±2% (±1% customized)
Application
Cellular phones
Cordless phones and radio communication equipment
Battery Powered equipment
Notebook and hand-ole equipment
Wireless LAN
GPS receivers
Absolute Maximum Ratings
Parameter
Symbol
Max Unit
Input voltage
Power Dissipation
SOT-23-6
Junction temperature
Storage temperature
Ambient Temperature
VIN 8 V
250 mW
TJ 125 OC
TS
- 45 to 150
OC
TA
-40 to 85
OC
Note: Exceed these limits to damage to the device. Exposure to absolute maximum rating conditions may affect device reliability.
VER 1.5 1




ACE520C pdf, 반도체, 판매, 대치품
ACE520C
Dual 300mA High PSRR Linear Regulator
Electrical Characteristics
(Test Conditions: C1=1uF, Cout=3.3uF,TA=25, unless otherwise specified.)
ACE520C, For arbitrary output voltage
Parameter
Symbol
Conditions
Input Voltage
Output Voltage
VIN
VOUT
Vin=Set Vout+1V
1mAIout30mA
Maximum Output Current
IOUT(Max.)
Vin-Vout=1V
Dropout Voltage, Vout2.8V
Line Regulation
Load Regulation
Vdrop
ΔVOUT /
ΔVIN•VOUT
ΔVOUT
Iout=100mA
Iout=300mA
Iout=40mA
2.8VVin6V
Vin=Set Vout+1V
1mAIout300mA
Supply Current
Iss Vin=Set Vout+1V
Supply Current (Srandby)
Output Voltage Temperature
Coefficiency
Ripple Rejection
Istandby
ΔVOUT /
ΔT•VOUT
PSRR
Vin=Set Vout+1V
Vce=Gnd
Iout=30mA
F=100Hz
Ripple=0.5Vp-p
Vin=Set Vout+1V
Short Current Limit Llim Vout=0V
CE Input Voltage “H”
CE Input Voltage “L”
Vceh
Vcel
Output Noise
en BW=10Hz~100kHz
Discharge Resistor
Rdischarge CE=0V, Vout=3.0V
CE pin pull down resistor
Rcepd
CE=Vin=5V
Min
Vout
x0.98
300
300
1.5
0
Typ
Vout1
100
300
0.05
50
35
0.1
±100
70
47
1.5K
500K
Max
6
Vout
x1.02
150
400
0.2
80
800
1.0
Vin
0.25
Units
V
V
mA
mV
%/V
mV
uA
uA
ppm/
dB
mA
V
V
uVrms
Ω
Ω
Typical Application Circuit
Note: Input capacitor(Cin=1uF) and Output capacitor(Cout=1uF/3.3uF) are recommended in all application circuit.
VER 1.5 4

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ACE520C 전자부품, 판매, 대치품
Packing Information
SOT-23-6
ACE520C
Dual 300mA High PSRR Linear Regulator
VER 1.5 7

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