APW7116
Features
- Provide Synchronous Rectified Buck
PWM Controllers for VDDQ and VMCH
- Integrated Power FETs with VTT Regulator
Source/Sink up to 2.0A
- Drive Low Cost N-Channel Power MOSFETs
- Internal 0.8V Reference Voltage for Adjustable
VDDQ and VMCH
- Thermal Shutdown
- VTT Tracks at Half the Reference Voltage
- Fixed Switching Frequency of 250k Hz for
VDDQ and VMCH
- Over Current Protection and Under Voltage
Protection for VDDQ and VMCH
- Fully plies with ACPI Power Sequencing
Specifications
- 180 degrees Phase Shift between VDDQ and
VMCH
- Power Okay Function for VDDQ and VMCH
- Fast Transient Response
- Maximum Duty Cycle 90%
- High-Bandwidth Error Amplifier
- Simple single-Loop Control Design
- Voltage Mode PWM Control
- External pensation
- External Soft-Start for VDDQ and VMCH
- Shutdown Function for VDDQ/VTT and VMCH
- Thermally Enhanced TSSOP-24 Package
- Lead Free Available (Ro HS pliant)
General Description
The APW7116 integrates Dual PWM buck controllers and an internal...