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The SC1403 is a multiple-output power supply controller designed to power battery operated systems. The SC1403 provides synchronous rectified buck converter control for two (3.3 V and 5 V) power supplies. An efficiency of 95% can be achieved for the two supplies. The SC1403 uses Semtech’s proprietary Virtual Current SenseTM technology along with external err.
3.3V and 5V dual synchronous outputs, resistor programmable to 2.5V Fixed frequency or PSAVE for maximum efficiency over wide load current range 5V / 50mA linear regulator TM Virtual Current Sense for enhanced stability Accurate low loss current limiting Out of phase switching reduces input capacitance requirements External compensation supports wide range of output filter components Programmable power-up sequence Power good output Output overvoltage & overcurrent protection with output undervoltage shutdown 4µA typical shutdown current 6mW typical quiescent power Appl.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | SC1401 |
Semtech Corporation |
HIGH PERFORMANCE SYNCHRONOUS BUCK CONTROLLER WITH LDO FOR PORTABLE POWER |
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| 2 | SC1402 |
Semtech Corporation |
Multi-Output/ Low-Noise Power Supply Controller for Notebook Computers |
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| 3 | SC1404 |
Semtech Corporation |
Mobile Multi-Output PWM Controller |
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| 4 | SC14046B |
ON Semiconductor |
Phase Locked Loop |
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| 5 | SC1405 |
Semtech Corporation |
HIGH SPEED SYNCHRONOUS POWER MOSFET SMART DRIVER |
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| 6 | SC1405B |
Semtech Corporation |
HIGH SPEED SYNCHRONOUS POWER MOSFET SMART DRIVER |
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| 7 | SC1405CTS |
Semtech Corporation |
High Speed Synchronous Power MOSFET Smart Driver |
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| 8 | SC1405D |
Semtech |
High Speed Synchronous Power MOSFET Smart Driver |
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| 9 | SC1406 |
Semtech Corporation |
PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER |
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| 10 | SC1406A |
Semtech Corporation |
PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER |
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| 11 | SC1406G |
Semtech Corporation |
Power Supply Controller for Portable Pentium II & III SpeedStep Processors |
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| 12 | SC1408 |
Semtech Corporation |
LOW VOLTAGE/ BOOST DC-DC CONTROLLER |
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