The ISL6412 is an ultra low noise triple output LDO regulator with microprocessor reset circuit and is optimized for powering wireless chip sets.

Features
• Small DC/DC Converter Size
    - Three LDOs and Reset Circuitry in a Low-Profile 4x4mm QFN Package
• High Output Current
    - LDO1, 1.8V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330mA
    - LDO2, 2.8V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225mA
    - LDO3, 2.8V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125mA
• Ultra-Low Dropout Voltage
    - LDO2, 2.8V. . . . . . . . . . . . . . . . 125mV (typ.) at 225mA
    - LDO3, 2.8V. . . . . . . . . . . . . . . . 100mV (typ.) at 125mA
• Ultra-Low Output Voltage Noise
    - <30μVRMS (typ.) for LDO3 (VCO Supply)
• Stable with Small Ceramic Output Capacitors
• Extensive Protection and Monitoring Features
    - Over current 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
• QFN Package
    - Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat No Leads - Product Outline
    - Near Chip-Scale Package Footprint Improves PCB Efficiency and Is Thinner in Profile
• Pb-Free Plus Anneal Available (RoHS Compliant)

Applications
• PRISM® 3 Chipsets – ISL37106P
• WLAN Cards
    - PCMCIA, Cardbus32, MiniPCI Cards
    - Compact Flash Cards
• Liberty Chipset
• Hand-Held Instruments