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AIC1189 Datasheet(PDF) 1 Page - Analog Intergrations Corporation |
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AIC1189 Datasheet(HTML) 1 Page - Analog Intergrations Corporation |
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1 / 20 page  AIC1189 Ultra LDO 2A Linear Regulator With Adjustable & Bypass Pin Analog Integrations Corporation Si-Soft Research Center DS-1189G-02 011909 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 1 FEATURES Guaranteed 2A Output Current. Fast Response in Line/Load Transient. Wide Operating Voltage Ranges: 2.3V to 5.5V. 0.01µA Shutdown Standby Current . Low Quiescent Current: 80µA. Fixed: 1.2V, 1.5V, 1.8V, 2.0V, 2.5V, 2.7V, 3.0V, 3.3V, 3.5V, 3.7V, 3.8V Output Voltage. Adjustable Output Voltage are available from 0.8~4.5V. Low Dropout ：330mV at 1.5A and 2.8V output voltage, 440mV at 2A and 2.8V output voltage. High PSRR ：70dB at 1kHz. Active Low or High Shutdown Control.Current Limit and Thermal Protection. Available in ±2% Output Tolerance. Available in SOT-223 & TO-220 (3 pin) & SOP- 8 (8 pin) and TO-252 &TO-263 (3 & 5 pin) Package. APPLICATIONS LCD TV, LCD Monitor, DPF. Networking, STB. Portable AV Equipment. Note Book PC Applications. PC Peripherals. DESCRIPTION A low noise, high PSRR and ultra low dropout linear regulator AIC1189 is optimized for low ESR ceramic capacitors operation with 2A continuous current. The AIC1189 is designed for portable and wireless devices with demanding performance and space requirements. The AIC1189 offers high precision output voltage of ±2% tolerance. Output voltage can also be adjusted for those other than the preset values. A noise bypass pin is available for further reduction of output noise. The bypass pin could be floating if it’s unnecessary. At 2A load current and 2.8V output voltage, a 440mV dropout is performed. The quality of low quiescent current and low dropout voltage makes this device ideal for battery power applications. The high ripple rejection and low noise of the AIC1189 provide enhanced performances for critical applications such as cellular phones, and PDAs. In addition, a logic-level shutdown input is included, which reduce supply current to 0.01µA (typ.) in shutdown mode with fast turn-on time less than 100µs. The AIC1189’s current limit and thermal protection provide protection against any overload condition that would create excessive junction temperatures. TYPICAL APPLICATION CIRCUIT 4.7uF Cin 4.7uF Cout Vin Vout 3.3V VIN 1 VOUT 3 GND AIC1189-33 4.7uF Cin 4.7uF Cout 300k R1 120k R2 Vin ENABLE Vout 2.8V VIN 2 EN 1 VOUT 4 ADJ 5 GND AIC1189AL-33 Fixed Linear Regulator Adjustable Linear Regulator |
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