Triple Output, Low-Noise LDO Regulator with Integrated Reset Circuit

The ISL6416 is an ultra low noise triple output LDO regulator with microprocessor reset circuit and is optimized for powering wireless chip sets.

Features

• Three LDOs and a RESET circuit

• High Output Current

- LDO1, 1.8V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330mA

- LDO2, 2.8V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225mA

- LDO3, 2.8V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125mA

• Low Output Voltage Noise

- <30µVRMS (typical) for LDO3 (VCO Supply)

• Stable with Small Ceramic Output Capacitors

• Extensive Protection and Monitoring Features

- Overcurrent protection

- Short circuit protection

- Thermal shutdown

- FAULT indicator

• Logic-Controlled Shutdown Pin

• Integrated Microprocessor Reset Circuit

- Programmable Reset Delay

• Proven Reference Design for a Total WLAN System Solution

• Pb-Free Available (RoHS Compliant)

Applications

• WLAN Cards

- PCMCIA, Cardbus32, MiniPCI Cards

- Compact Flash Cards

• Hand-Held Instruments