LTC3025IDC-1#TRMPBF, LDO Voltage Regulator, Adjustable, 0.9 V to 5.5 V in, 0.085 V Dout, 0.5 A out, DFN-EP-6

LTC3025-1 is a micropower, VLDO™ (very low dropout) linear regulator. This device is capable of supplying 500mA of output current with a typical dropout voltage of only 85mV. A BIAS supply is required to run the internal reference and LDO circuitry while output current comes directly from the IN supply for high efficiency regulation. This device low quiescent current makes it an ideal choice for use in battery-powered systems. For 3-cell NiMH and single cell Li-Ion applications, the BIAS voltage can be supplied directly from the battery while the input can come from a high efficiency buck regulator, providing a high efficiency, low noise output. It is widely used in application such as low power handheld devices, low voltage logic supplies, DSP power supplies, cellular phones, portable electronic equipment, handheld medical instruments, post regulator for switching supply noise rejection etc.

• Wide input voltage range is 0.9V to 5.5V
• Stable with ceramic capacitors
• ±2% voltage accuracy over temperature, supply and load
• Low noise is 80µVRMS typ at (10Hz to 100kHz)
• BIAS voltage range is 2.5V to 5.5V
• Fast transient recovery, shutdown disconnects load from VIN and VBIAS
• Low operating current is 50µA typ at (OUT = 10µA, VOUT = 1.2V)
• Low shutdown current is 0.01µA typ at (VSHDN = 0V)
• Operating temperature is -40°C to +125°C
• Packaging style is 6-lead plastic DFN