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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SC21150ACSTRT датащи(PDF) 1 Page - Semtech Corporation |
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SC21150ACSTRT датащи(HTML) 1 Page - Semtech Corporation |
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1 / 20 page  POWER MANAGEMENT SC21150 Tiny 1.2A Synchronous Buck Regulator Typical Application Circuit Rev 2.0 Features Input voltage range — 2.3V to 5.5V .2A continuous output current 4MHz switching frequency Adjustable Output Voltage 0.8V to VIN % output voltage accuracy Adaptive On-Time architecture Up to 00% duty cycle Up to 96% peak efficiency Power Save mode for efficient light load operation >90% efficiency 30mA to 75mA μA shutdown current 23μA quiescent current Pre-bias startup protection Internal or optional external Soft Start Device options (contact Semtech Marketing) Automatic output discharge Power Good indicator Internal Soft Start External Programmable Soft Start Forced PWM Operation Input 0.75mm x .mm, 6-Bump WLCSP Package WEEE and RoHS compliant and halogen-free Applications Automotive Smart Phones Wearable Electronics Tablet PCs GPS devices Battery powered equipment Portable devices • • • • • • Description The SC250 is an ultra high efficiency .2A DC/DC buck regulator available in a tiny CSP package. These features make the SC250 family perfect for small form factor portable applications where long battery life is essential. SC250 is an Adaptive On-Time 4MHz switching regula- tor at full load conditions. Under light load conditions it seamlessly transitions into Power Save Mode and reduces switching frequency thus saving energy. High switching frequency operation allows the use of a very small 0.47μH inductor along with small input and output capacitors to minimize overall circuit size. A Forced PWM input allows continuous switching under all load conditions. The SC250 is highly configurable with a wide range of factory options including internal Soft Start time, fixed or adjustable output voltage, automatic output discharge, and a Forced PWM input. The SC250 is offered in an ultra small WLCSP 6-Bump 0.75mm x.mm package with a bump pitch of 0.35mm. The SC250 operating temperature range is -40C to +85C. 2.3V-5.5V Supply SC21150 0.47µH 1.2A Output EN VIN LX EN GND FB 10µF 4.7µF FPWM Adjustable Output Voltage FPWM |
Аналогичный номер детали - SC21150ACSTRT |
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Аналогичное описание - SC21150ACSTRT |
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