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The SC1401 is a synchronous buck regulator designed to power the latest generation microprocessors in battery operated systems. The SC1401 may be used to provide both the I/O and core voltages utilizing synchronous rectification for the core supply voltage and an LDO N-Channel MOSFET controller for the I/O supply voltage. A 1.25 volt reference allows lower o.
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>90% Efficiency (SMPS) 6.0V to 30V Input range 1.25V to 5.5V Adjustable output (SMPS) PWM and LDO regulator outputs High output gate drive of 2 Amps (SMPS) Power save mode for light load operation 200kHz/300kHz fixed-frequency PWM operation 2mA Typical quiescent current 2µA Typical shutdown current
APPLICATIONS
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Notebook and palmtop computers LCD monitors Internet appliances
ORDERING INFORMATION
DEVICE SC1401ISS PACKAGE SSOP-20 TEMP. (TA) -40°C - +85°C
Notes (1) Add suffix “TR” for tape and reel.
TYPICAL APPLICATION CIRCUIT
ENABLE_IO RESET PSAVE U1 SYNC 1 SYNC SC140.
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|---|---|---|---|---|
| 1 | SC1402 |
Semtech Corporation |
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| 2 | SC1403 |
Semtech Corporation |
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| 3 | SC1404 |
Semtech Corporation |
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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 |
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| 12 | SC1408 |
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LOW VOLTAGE/ BOOST DC-DC CONTROLLER |
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