Not Recommended for New Designs - Last Day of purchase: 5/1/11
Features
- Constant on-time for fast dynamic response
- Programmable VOUT range = 0.5 – VCCA
- VIN range = 1.8 V – 25 V
- DC current sense using low-side RDS(ON) sensing or sense resistor
- Resistor programmable frequency
- Cycle-by-cycle current limit
- Digital soft-start
- Separate PSAVE option for each switcher
- Over-voltage/under-voltage fault protection
- 10 µA typical shutdown current
- Low quiescent power dissipation
- Two PGOOD indicators
- 1% reference (2% system DC accuracy)
- Efficiency >90%
- Integrated gate drivers with soft switching
- Separate enables
- Industrial temperature range
- 28-lead TSSOP package
Applications
- Notebook computers
- CPU I/O supplies
- Handheld terminals and PDAs
- LCD monitors
- Network power supplies
Order Codes
- SC1485ITSTR: Package Minimum Tape & Reel Only
- SC1485ITSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
Order Evaluation Boards
Semtech provides evaluation boards to help design engineers quickly and easily evaluate the performance of our devices for their application requirements.
To order, use our Evaluation Board Request Form below. One (1) free evaluation board may be requested per order form.
Eval boards are readily available for most of our new and popular products. If you wish to request boards for other parts, simply type the part number in the “Select Part Number” field space of the order form. These will be subject to availability.
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