OBSOLETE
SI-8050Y
A current control type step-down switching regulator IC.
A highly efficient DC/DC converter can be realized, with use of the switching transistor which includes a low ON resistance N-ch MOSFET.
Also, the current control system has been adopted, enabling LC filter to be downsized.
Design Support
Related Documents
- ■Application Note
Features
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・High efficiency: 86% (Vo=5v,VIN=30V, Io=3A)
94%(Vo=12V,VIN=30V, Io=3A)
・Built-in reference oscillator (Oscillating frequency:131kHz(TYP)
・・Built-in drooping-type-overcurrent and thermal protection circuits
・Built-in soft start function (Output ON/OFF available. Output OFF at low)
・Low current consumption during off
Application
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・AC/DC Secondary stabilized power supply
・Power supply for flat panel TV
・Power supply for amusements
Specifications
Built-in Power | Power IC |
---|---|
Output Method | Fixed |
Output Voltage | 5.0 V |
Output Current | 8.0 A |
Input Voltage Range | 8.0 to 43 V |
Operating Frequency | 130 kHz |
Synchronous / Asynchronous | Asynchronous |
Current Mode Control | YES |
Maximum Input Voltage | 43.00 V |
Output On / Off | YES |
Low ESR Capacitor Support | YES |
Overcurrent Protection | Drooping Type |
Phase Compensation | External |
Thermal Protection | YES |
UVLO | YES |
Package Weight (Typ.) | g |
Typical Application
Block Diagram
Questions or Comments?
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