General Description The SL1586 is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal powerMOSFETs. It offers a very compact solution to achieve a 1.5A peak output current over a wide input supply range,with excellent load and line regulation.The SL1586 requires a minimal number of readily available, external components and is available in a space savingSOT23-6 package.
Features
• Wide 4V to 30V Operating Input Range
• 1.2A Continuous Output Current
• 1.4MHz Switching Frequency
• Short Protection with Hiccup-Mode
• Built-in Over Current Limit
• Built-in Over Voltage Protection
• Force-PWM Mode
• Internal Soft-Start
• 200mΩ/150mΩ Low RDS(ON) Internal PowerMOSFETs
• Output Adjustable from 0.8V
• No Schottky Diode Required
• Integrated internal compensation
• Thermal Shutdown
• Available in SOT23-6 Package
• -40°C to +85°C Temperature Range
Applications
• CCTV Camera
• Flat-Panel Television and Monitor
• Battery Charger
• Distributed Power Systems
Typical Application Circuit
Typical Performance Characteristics (5) (6)
Note (5): Performance waveforms are tested on the evaluation board.
Note (6): VIN =12V, VOUT=3.3V, TA = +25oC, unless otherwise noted.
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