SC486
Not Recommended for New Designs
Not recommended for new designs.
Features
- Constant on-time controller for fast dynamic response on VDDQ
- Programmable VDDQ range: 1.5 V to 3 V
- 1% internal reference (2% system accuracy)
- Resistor programmable on time for VDDQ
- VCCA/VDDP range = 4.5 V to 5.5 V
- VBAT range = 2.5 V to 25 V
- VDDQ DC current sense using low-side RDS(ON) sensing or external RSENSE in series with low-side FET
- Cycle-by-cycle current limit for VDDQ
- Digital soft start for VDDQ
- Combined EN and PSAVE pin for VDDQ
- Over-voltage/under-voltage fault protection for both outputs and PGD output (VDDQ only)
- Separate VCCA and VDDP supplies
- VTT/REF range = 0.75 V – 1.5 V
- VTT source/sink 3 A peak
- Internal resistor divider for VTT/REF
- VTT is high impedance in S3
- VDDQ, VTT, and REF are actively discharged in S4/S5
- 24-pin MLPQ (4 x 4mm) Lead-free package, fully
WEEE and RoHS compliant
- Notebook computers
- CPU I/O supplies
- Handheld terminals and PDAs
- LCD monitors
- Network power supplies
アプリケーション
Packaging
- MLPQ-24
Order Codes
- SC486IMLTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
mySemtech
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