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ACE515A Schematic ( PDF Datasheet ) - ACE Technology

Teilenummer ACE515A
Beschreibung Extremely Low Noise CMOS LDO Regulator
Hersteller ACE Technology
Logo ACE Technology Logo 




Gesamt 22 Seiten
ACE515A Datasheet, Funktion
 
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ACE515A                                                                                                                                                                         
                                              Technology 300mA High Speed, Extremely Low Noise CMOS LDO Regulator
Description
ACE515A series are 300mA, positive voltage regulator ICs fabricated by CMOS process.
Each of these ICs is equipped with a voltage reference, an error amplifier, a resistor network for setting
output voltage, a chip enable circuit, a current limit circuit and OTSD (over temperature shut down) circuit
to prevent the IC from over current and over temperature.
The ACE515A series have features of high ripple rejection, low dropout voltage, low noise, high output
voltage accuracy and low current consumption which make them ideal for use in various battery-powered
apparatus.
The ACE515A have 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 4.15V and 4.2V fixed voltage versions.
These ICs are available in tiny SC-70-5 and SC-82 packages as well as industry standard SOT-23-3 and
SOT-23-5 packages.
Features
Excellent Ripple Rejection: 70dB Typical (1.8V Version)
Low Dropout Voltage: 65mV (IOUT=100mA, 3.3V Version)
Low Standby Current: 0.01μA Typical
Low Quiescent Current: 60μA Typical
Extremely Low Noise: 50μVrms Typical
Maximum Output Current: 300mA (Min.)
High Output Voltage Accuracy: ±2%
Compatible with Low ESR Ceramic Capacitor
Excellent Line/ Load Regulation
Application
CDMA/ GSM Cellular Handsets
Battery-powered Equipments
Laptops, Palmtops, Notebook Computers
Hand-held Instruments
PCMCIA Cards
Portable Information Appliances
VER 1.2 1 






ACE515A Datasheet, Funktion
 
www.DataSheet4U.com
ACE515A                                                                                                                                                                         
                                              Technology 300mA High Speed, Extremely Low Noise CMOS LDO Regulator
ACE515A-3.0 Electrical Characteristics
(VIN=4.0V, TA=25, CIN=1μF, COUT=1μF Bold typeface applies over -40℃≦TJ85, unless otherwise specified.)
Parameter
Symbol
Conditions
Min Typ Max
Output Voltage
Input Voltage
Maximum Output Current
Load Regulation
Line Regulation
Dropout Voltage
Quiescent Current
Standby Current
Power Supply Rejection
Ratio
Output Voltage
Temperature Coefficient
Short Current Limit
RMS Output Noise
CE “High” Voltage
VOUT
VIN
IOUT(Max.)
VRLOAD
VRLINE
VDROP
IQ
ISTD
PSRR
(ΔVOUT /
ΔIOUT)/ ΔT
ISHORT
VNOISE
VIN=4.0V
1mAIOUT30mA
VIN*VOUT=1A, VOUT=2.94V
VIN=4.0V
1mAIOUT300mA
4.0VVIN6V IOUT=30mA
IOUT=10mA
IOUT=100mA
IOUT=300mA
VIN=4.0V, IOUT=0mA
VIN=4.0V, VCE in OFF mode
Ripple 0.5Vp-p f=100Hz
VIN=4.0V
f=1KHz
2.94
300
3.0
360
12
1
6.5
65
200
60
0.01
65
65
3.06
6
10
100
300
90
1.0
IOUT=30mA
±100
VOUT=0V
10Hzf100kHz
CE input voltage “High”
50
50
1.5
CE “Low” Voltage
CE input voltage “Low”
0.4
Thermal Shutdown
160
Thermal Shutdown
Hysteresis
25
Units
V
V
mA
mV
mV
mV
uA
uA
dB
ppm/
mA
uVrms
V
V
ACE515A-3.3 Electrical Characteristics
(VIN=4.3V, TA=25, CIN=1μF, COUT=1μF Bold typeface applies over -40℃≦TJ85, unless otherwise specified.)
Parameter
Symbol
Conditions
Min Typ Max
Output Voltage
Input Voltage
Maximum Output Current
Load Regulation
Line Regulation
Dropout Voltage
Quiescent Current
Standby Current
VOUT
VIN
IOUT(Max.)
VRLOAD
VRLINE
VDROP
IQ
ISTD
VIN=4.3V
1mAIOUT30mA
VIN*VOUT=1A, VOUT=3.23V
VIN=4.3V
1mAIOUT300mA
4.3VVIN6V IOUT=30mA
IOUT=10mA
IOUT=100mA
IOUT=300mA
VIN=4.3V, IOUT=0mA
VIN=4.3V, VCE in OFF mode
3.234
300
3.3
360
13
1
6.5
65
200
60
0.01
3.366
6
10
100
300
90
1.0
Units
V
V
mA
mV
mV
mV
uA
uA
VER 1.2 6

6 Page









ACE515A pdf, datenblatt
 
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ACE515A                                                                                                                                                                         
                                              Technology 300mA High Speed, Extremely Low Noise CMOS LDO Regulator
ACE515A-1.8
TC=25
No Load
Output Voltage vs. Input Voltage
ACE515A-1.8
VIN=2.8V
ACE515A-3.3
TC=25
No Load
Output Voltage vs. Input Voltage
ACE515A-3.3
VIN=4.3V
Output Voltage vs. Case Temperature
Output Voltage vs. Case Temperature
VER 1.2 12

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