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BD2246G Datasheet(PDF) 8 Page - Rohm |
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BD2246G Datasheet(HTML) 8 Page - Rohm |
8 / 14 page Technical Note 8/13 BD2246G, BD2247G www.rohm.com 2011.05 - Rev.A © 2011 ROHM Co., Ltd. All rights reserved. ● Block Diagram VIN GND EN(/EN) 1 2 3 4 5 /OC VOUT Top View Fig.39 Block diagram Fig.40 Pin configuration ● Pin Description Pin No. Symbol I/O Function 1 VIN - Switch input and the supply voltage for the IC. 2 GND - Ground. 3 EN, /EN I Enable input. EN: High level input turns on the switch. (BD2246G) /EN: Low level input turns on the switch. (BD2247G) 4 /OC O Over-current notification terminal. Low level output during over-current or over-temperature condition. Open-drain fault flag output. 5 VOUT O Switch output. ● I/O Circuit Symbol Pin No. Equivalent Circuit EN (/EN) 3 EN (/EN) VOUT 5 VOUT /OC 4 /OC Over-current Protection Under-voltage Lockout Delay Counter Charge Pump Thermal Shutdown EN(/EN) VIN /OC GND VOUT /EN Reverse current Protection |
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