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Analog Intergrations Corporation - 150mA Linear Regulator

Numéro de référence AIC1746
Description 150mA Linear Regulator
Fabricant Analog Intergrations Corporation 
Logo Analog Intergrations Corporation 





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AIC1746 fiche technique
AIC1746
„ FEATURES
150mA Linear Regulator With Bypass Pin
„ DESCRIPTION
z Guarantee 150mA Output Current.
z Fast Response in Line/Load Transient.
z Wide Operating Voltage Ranges: 2.0V to 6.0V.
z 0.01μA Shutdown Standby Current.
z Low Quiescent Current80µA.
z Output Voltage available within 1.1~4.2V.
z Low Dropout140mV at 150mA.
z PSRR60dB at 1kHz.
z Fixed: 1.1, 1.2, 1.3, 1.5, 1.8, 2.5, 2.7, 2.8, 2.85,
3.0, 3.3, 3.5, 3.7, 3.8 Output Voltage.
z Current Limit and Thermal Protection.
z Available in ±2% Output Tolerance.
z Available in 3 & 5 lead of SOT-23, TSOT23,
SC70, & SOT-89 & DFN 6L 2x2 Package.
„ APPLICATIONS
z Cellular Phones.
z PCMCIA Cards
z Laptop, Palmtops, Notebook Computers
z Personal Communication Equipment.
z PDAs.
z Digital Still Cameras.
z Portable Consumer Equipments.
AIC1746 is optimized for low ESR ceramic
capacitor operation with 150mA continuous
current. The AIC1746 is designed for portable RF
and wireless applications with demanding
performance and space requirements.
The AIC1746 offers high precision output voltage
of ±2% tolerance. Output Voltage is available
within 1.1~4.2V. There are version of 1.1, 1.2, 1.3,
1.5, 1.8, 2.5, 2.7, 2.8, 2.85, 3.0, 3.3, 3.5, 3.7 and
3.8 for a fixed output voltage.
A noise bypass pin is available for further
reduction of output noise. At 150mA load current,
a 140mV dropout can be performed. The quality
of low quiescent current and low dropout voltage
makes the device ideal for battery power
applications. The high ripple rejection and low
noise of the AIC1746 provide enhanced
performances for critical applications such as
cellular phones, and PDAs.
In addition, AIC1746’s current limit and thermal
protection provide protection against any overload
condition that would cause excessive junction
temperatures.
„ TYPICAL APPLICATION CIRCUIT
VIN
CIN
1μF
VIN
VOUT
GND
BP
EN
AIC1746
COUT
1μF
VOUT
CBP
0.1nF
Ultra LDO Regulator
Analog Integrations Corporation
Si-Soft Research Center
3A1, No.1, Li-Hsin Rd. I , Science Park , Hsinchu 300, Taiwan , R.O.C.
TEL: 886-3-5772500
FAX: 886-3-5772510 www.analog.com.tw
DS-1746G-03 20090928
1

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