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STA811M Scheda tecnica(PDF) 2 Page - Sanken electric |
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STA811M Scheda tecnica(HTML) 2 Page - Sanken electric |
2 / 3 page 87 ICs STA810M Series ■External Dimensions (SIP8 [STA 8Pin]) Pin Assignment q SWOUT w GND e VIN r N.C t GND y VOS u ON/OFF i GND Plastic Mold Package Type Flammability: UL 94V-0 Product Mass: Approx. 2.0 g (Unit : mm) ■Block Diagram b a 1.15 20.15±0.3 +0.2 –0.1 0.55 +0.2 –0.1 7 ×P2.54±0.1=17.78 (Measured at the root) Plan View 0.7 0.7 STA811M 4±0.2 1.2±0.1 2–(R1) 4.3±0.7 (Measured at the tip) (Measured at the root of pin) R-END 18 2 357 46 C1.5±0.5 SK 6 2 GND 1 5,8 GND VIN ON/OFF SW OUT VOUT L C2 C1 VOS 3 VIN C3 7 PReg. Overcurrent Protection STA811M Reset Oscillator + – + – Comparator Error Amp Latch & Driver Thermal Protection ON/OFF Soft Start Reference Voltage + + + Di ■Typical Connection Diagram C1: 220 µF/50V C2: 470 µF/25V C3: 0.47 µF/10V (Only when using soft start function) L1: 100 µH 3.VIN C1 C3 L1 C2 5,8.GND 2.GND 7.ON/OFF GND STA811M 1.SW 6.VOS + + VOUT VIN GND ■Thermal Derating 0 2 4 6 8 10 12 14 16 18 20 –25 0 25 50 Ambient Temperature Ta ( °C) 75 125 100 Without Insulating Sheet With Silicone Grease Heatsink: Alminum With Infinite Heatsink 100 ×100×2mm (11.5°C/W) 50 ×50×2mm (17.9°C/W) 25 ×50×2mm (25 °C/W) Without Heatsink (37 °C/W) VO : Output voltage VIN : Input voltage IO : Otuput current ηχ : Efficiency (%) PD = VO·IO 100 –1 ηχ |
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