Voltage Regulator. AF6221 Datasheet

AF6221 Regulator. Datasheet pdf. Equivalent

AF6221 Datasheet
Recommendation AF6221 Datasheet
Part AF6221
Description Ultra Fast High PSRR Low Noise CMOS Voltage Regulator
Feature AF6221; AF6221 Ultra Fast High PSRR Low Noise CMOS Voltage Regulator  INTRODUCTION The AF6221 seriesare a.
Manufacture AFSEMI
Datasheet
Download AF6221 Datasheet




AFSEMI AF6221
AF6221
Ultra Fast High PSRR Low Noise CMOS Voltage Regulator
INTRODUCTION
The AF6221 seriesare a group of
positivevoltageregulators manufactured by
CMOS technologies with high ripple
rejection,ultra low noise, low power
consumption and low dropout voltage,
which can prolong battery life in portable
electronics. The AF6221 series work with
low-ESR ceramic capacitors, reducing the
amount of board space necessary for
power applications. The AF6221 series
consume less than 0.01μA in shutdown
mode and have fast turn-on time less than
50μS.The series are very suitable for the
battery-powered equipments, such as RF
applicationsand other systems requiring a
quiet voltage source.
FEATURES
High PSRR:70dB@100Hz
Low Dropout Voltage170mV@200mA
Low Quiescent Current25μA
Excellent Line and Load Transient
Response
Operating Voltage Range2.5V5.5V
Output Voltage Range1.5V ~ 3.3V
High Accuracy±2%(Typ.
Built-in Current Limiter, Short-Circuit
Protection
TTL- Logic-Controlled Shutdown Input
APPLICATIONS
Cellular and Smart Phones
Laptop, Palmtops and PDA
Digital Still and Video Cameras
BLOCK DIAGRAM
MP3,MP4 Player
Radio control systems
Battery-Powered Equipment
ORDER INFORMATION
AF6221-①②③
DESIGNATOR SYMBOL DESCRIPTION
①②
Integer
Output Voltage
e.g.1.8V=:1, :8
Package:SOT23-5 C
Analog Future Ver2.0
1 www.afsemi.com



AFSEMI AF6221
PIN CONFIGURATION
SOT23-5
AF6221
PIN NUMBER
1
2
3
4
5
SYMBOL
VIN
VSS
CE
BYPASS
VOUT
Marking information
FUNCTION
Power Input Pin
Ground
Chip Enable Pin
Optional bypass capacitor for noise reduction
Output Pin
MARKING
Package
VOLTAGE(V)
SOT23-5
1.5 DS=JHT
1.8 DC=E2H
2.5 DH=M6C
2.8 DJ=G6U
3.0 DK=C0Z
3.3 DE=A1D
TYPICAL APPLICATION
Analog Future Ver2.0
2 www.afsemi.com



AFSEMI AF6221
AF6221
ABSOLUTE MAXIMUM RATINGS(1)
(Unless otherwise specified, TA=25°C)
PARAMETER
SYMBOL
RATINGS
Input Voltage(2)
Output Voltage(2)
VIN
VOUT
-0.3~6.5
-0.3~VIN+0.3
Output Current
IOUT
500
Power Dissipation
PD 0.4
Operating free air temperature range
Operating Junction Temperature Range(3)
TA
Tj
-40~85
-40~125
Storage Temperature
Tstg -40~125
Lead Temperature(Soldering, 10 sec)
Tsolder
260
UNITS
V
V
mA
W
°C
°C
°C
°C
(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the
device. These are stress ratingsonly, and functional operation of the device at these or any other conditions
beyond those indicated under recommended operatingconditions is not implied. Exposure to
absolute-maximum-rated conditions for extended periods my affect device reliability.
(2)All voltages are with respect to network ground terminal.
(3)This IC includes overtemperature protection that is intended toprotect the device during momentary
overload. Junction temperature willexceed 125°C when overtemperature protection is active.
Continuousoperation above the specified maximum operating junction temperaturemay impair device
reliability.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
MIN.
Supply voltage at VIN
Operating junction temperature range, Tj
Operating free air temperature range, TA
2.5
0
0
NOM.
MAX. UNITS
5.5 V
125 °C
85 °C
Analog Future Ver2.0
3 www.afsemi.com







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