bd4140hfv ROHM Co. Ltd., bd4140hfv Datasheet
bd4140hfv
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bd4140hfv Summary of contents
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... PGOOD IC for PC BD4140HFV ●Description BD4140HFV is 1ch reset IC for watching the voltage. The detected voltage is 0.5V, and it is available to several kinds of voltage with additional external resistance. For the independent supply voltage (V in case the watching input voltage is also low. ●Features 1) Open drain output type 2) Built in Under Voltage LockOut (UVLO) circuit 3) HVSOF5 package : 1.6× ...
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... BD4140HFV ●Block Diagram The recommended total R1 IN resistance value for R1 4 and R2 is within 300kΩ. R2 DLY Please set C1 with 5 double of MIN Delay Time. C1 ●Pin Layout PGOOD 1 GND ●Pin Function Table PIN No. PIN Name 1 PGOOD 2 GND 3 Vcc DLY ...
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... BD4140HFV ●Explanation of Operation BD4140HFV is 1ch reset IC with independent supply voltage. The following voltage is available to input VCC voltage before the watching input voltage. (Input-output voltage characteristic 0.5 (Detected delay time setting) 0.5 0 0.5 TDELAY www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. (in case V =5V) ...
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... BD4140HFV <VCC starting> ① When VCC is below the minimum operation voltage, PGOOD pin will level. (The meaning of the minimum operation voltage is : When the starting of VCC, PGOOD output voltage become within 10% of VCC voltage, and the value will be around 0.8VTYP(RPGOOD=100kΩ) and 1.0VTYP(RPGOOD=10kΩ). ...
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... BD4140HFV ●Evaluation Board Circuit ■ BD4140HFV ■ (The direction is ※When you order , please order in times the amount of package quantity. R4 VCC C4 GND ■ BD4140HFV Evaluation Board Standard Component List (at detecting 0.5V) ■ Component Rating Manufacturer U1 - ROHM 1000pF murata ■ BD4140HFV Evaluation Board Layout ■ ...
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... BD4140HFV ●Operation Notes 1. Absolute maximum ratings An excess in the absolute maximum ratings, such as supply voltage, temperature range of operating conditions, etc., can break down the devices, thus making impossible to identify breaking mode, such as a short circuit or an open circuit. If any over rated values will expect to exceed the absolute maximum ratings, consider adding circuit protection devices, such as fuses ...
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... BD4140HFV ●Power Dissipation Characteristics ◎HVSOF5 [W] 1 PCB size：70mm×70mm×1.6mmt ①board：1 layer board（copper foil density : 2%） 0.8 ①0.67W 0.6 0.4 0 Ambient Temperature [Ta] www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 75 100 125 150 [℃] 7/8 Technical Note 2009.04 - Rev.B ...
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... BD4140HFV ●Ordering part number Part No. Part No. HVSOF5 1.6±0.05 (0.8) (0.3) 1.0±0. 0.1 S 0.5 0.22±0.05 0.08 M www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved Package FV : HVSOF5 <Tape and Reel information> Tape Embossed carrier tape Quantity 3000pcs TR Direction ...
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No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose ...