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LDO regulator offers 1.7V input capability

Posted: 26 Dec 2005     Print Version  Bookmark and Share

Keywords:Linear Technology  low dropout linear regulator  ldo regulator  LTC3035 

Linear Technology Corp. unveiled a 300mA low dropout (LDO) linear regulator with input voltage capability down to 1.7V. Featuring a low internal reference voltage with corresponding adjustable output voltage operation from 0.4V to 3.6V, the LTC3035 also maintains an extremely low dropout voltage of only 45mV at full load current.

To allow operation at low input voltages, the LTC3035 includes an integrated charge pump converter that provides the necessary headroom for the internal LDO circuitry. This low input voltage capability enables performance in applications ranging from Li-ion or two AA alkaline cell to low input to low output voltage conversion systems. The LTC3035's tight output voltage ±2 per cent accuracy, low quiescent and shutdown currents of 100µA and 1µA, respectively, combined with fast transient response and small solution footprint with few external components, make it suitable for battery-powered handheld devices such as Bluetooth-enabled devices, cellphones, media players, handheld medical and industrial instruments.

In addition, the LTC3035 regulator optimizes stability and transient response with low ESR, ceramic output capacitors as small as 1µF. Internal safety circuitry includes short-circuit and reverse output current protection, plus output current and thermal limiting.

The LTC3035EDDB in the 8-lead DFN (3-by-2-by-0.75mm) package offers a thermally efficient, highly compact solution footprint and is available from stock. Pricing starts at Rs.59.14 ($1.29) each in 1,000-piece quantities.




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Related Datasheets
Part Number Description Category
LTC3035 300mA VLDO Linear Regulator with Charge Pump Bias Generator ICs, Interface

 
 
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