MIC2808 Overview
The MIC2808 integrates a high performance 600mA DC/DC step down regulator intended for powering a power amplifier (PA) in a mobile phone with dual low noise low dropout (LDO) regulators for the rest of the RF section. Optimized for low noise performance, the MIC2808 improves efficiency in the handset without promising quality. The MIC2808 has a 2MHz, constant frequency pulse width modulated (PWM) DC/DC regulator...
MIC2808 Key Features
- 2.7V to 5.5V input voltage range Stable with ceramic output capacitors Tiny 16-pin 2.0mm x 2.5mm TMLF® Package Thermal s
- Adjustable output power supply
- DAC controlled
- VOUT = VDAC x 3
- Bypass mode operation
- Internal 95mΩ switch between PVIN and OUT pins
- VDAC > 1.2V
- Up to 600mA output current in PWM mode
- 100% duty cycle operation for maximum efficiency
- Tiny 4.7µH, 1µF output inductor and capacitor