PM6641
Features
- 0.8 V ±1% internal voltage reference
- 2.7 V to 5.5 V input voltage range
- Fast response, constant frequency, current mode control
- Three independent, adjustable, out-of-phase
SMPS for DDR2/3 (VDDQ) and chipset supply
- Low noise DDR2/3 reference (VTTREF)
- ±2 Apk LDO for DDR2/3 termination (VTT) with foldback
- S0-S5 states pliant DDR2/3 section
- Active soft-end for all outputs
- Selectable tracking discharge for VDDQ
- Separate Power Good signals
- Pulse skipping at light load
- Programmable current limit and soft-start for all outputs
- Latched OVP, UVP protection
- Thermal protection
Applications
- DDR2/3 memory and chipset supply
- UMPC and portable equipment
- Handheld and PDAs
VFQFPN-48 7x7 mm
Description
The PM6641 is a monolithic voltage regulator module specifically designed to supply DDR2/3 memory and chipset in ultra-mobile PC and real estate constrained portable systems.
It integrates three independent, adjustable, constant frequency buck converters, a ±2...
