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FAN9612MX 데이터시트(PDF) 5 Page - Fairchild Semiconductor |
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FAN9612MX 데이터시트(HTML) 5 Page - Fairchild Semiconductor |
5 / 37 page © 2008 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN9611 / FAN9612 • Rev. 1.1.3 5 Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Symbol Parameter Min. Max. Unit VDD Supply Voltage to AGND & PGND -0.3 20.0 V VBIAS 5VB Voltage to AGND & PGND -0.3 5.5 V Voltage On Input Pins to AGND (Except FB Pin) -0.3 VBIAS + 0.3 V Voltage On FB Pin (Current Limited) -0.3 VDD + 0.8 V Voltage On Output Pins to PGND (DRV1, DRV2) -0.3 VDD + 0.3 V IOH, IOL Gate Drive Peak Output Current (Transient) 2.5 A Gate Drive Output Current (DC) 0.05 A TL Lead Soldering Temperature (10 Seconds) +260 ºC TJ Junction Temperature -40 +150 ºC TSTG Storage Temperature -65 +150 ºC Recommended Operating Conditions The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to Absolute Maximum Ratings. Symbol Parameter Min. Typ. Max. Unit VDD Supply Voltage Range 9 12 18 V VINS Signal Input Voltage 0 5 V ISNK Output Current Sinking (DRV1, DRV2) 1.5 2.0 A ISRC Output Current Sourcing (DRV1, DRV2) 0.8 1.0 A LMISMATCH Boost Inductor Mismatch (4) ±5% ±10% TA Operating Ambient Temperature -40 +125 ºC Note: 4. While the recommended maximum inductor mismatch is ±10% for optimal current sharing and ripple-current cancellation, there is no absolute maximum limit. If the mismatch is greater than ±10%, current sharing is proportionately worse, requiring over-design of the power supply. However, the accurate 180° out-of-phase synchronization is still maintained, providing current cancellation, although its effectiveness is reduced. |
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