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ST1S06PM12R Folha de dados(PDF) 1 Page - STMicroelectronics |
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ST1S06PM12R Folha de dados(HTML) 1 Page - STMicroelectronics |
1 / 19 page April 2007 Rev. 5 1/19 19 ST1S06 Synchronous rectification with inhibit, 1.5A, 1.5 MHz fixed or adjustable, step-down switching regulator in DFN6 3x3 General features ■ Step-down current mode PWM (1.5MHz) DC- DC converter ■ 2% DC output voltage tolerance ■ Synchronous rectification ■ Inhibit function ■ Internal soft start ■ Typical efficiency:> 90% ■ 1.5A Output current capability ■ Not switching quiescent current: max 1.5mA over temperature range ■ RDS ON typ150mΩ ■ Uses tiny capacitors and inductors ■ Operative junction temp. -30°C to 125°C ■ Available in DFN6 3x3 exposed pad Description The ST1S06 is a step down DC-DC converter optimized for powering low-voltage digital core in HDD applications and, generally, to replace the high current linear solution when the power dissipation may cause an high heating of the application environment. It provides up to 1.5A over an input voltage range of 2.7V to 6V. An high switching frequency (1.5MHz) allows the use of tiny surface-mount components: as well as the resistor divider to set the output voltage value, only an inductor and two capacitors are required. Besides, a low output ripple is guaranteed by the current mode PWM topology and by the use of low E.S.R. SMD ceramic capacitors. The device is thermal protected and current limited to prevent damages due to accidental short circuit. The ST1S06 is available in DFN6 3x3 package. www.st.com DFN6 (3x3mm) Order code Part number Packaging Package ST1S06PM ST1S06PMR DFN6 (3x3 mm) ST1S06PU ST1S06PUR DFN6D (3x3 mm) ST1S06APM ST1S06APMR DFN6 (3x3 mm) ST1S06PM12 ST1S06PM12R DFN6 (3x3 mm) ST1S06PM33 ST1S06PM33R DFN6 (3x3 mm) ST1S06APU ST1S06APUR DFN6D (3x3 mm) ST1S06PU12 ST1S06PU12R DFN6D (3x3 mm) ST1S06PU33 ST1S06PU33R DFN6D (3x3 mm) |
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