TND002 SANYO | Alldatasheet

Document overview

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Technical content

Features

  • Monolithic N-channel MOSFET built in.
  • Overcurrent protection built in.
  • Overvoltage protection built in.
  • Reset function built in. 1:GND 2:OUT 3:IN SANYO:NMP retemaraPl obmySs noitidnoCs gnitaRt inU egatloVecruoS-ot-niarDV SD )CD( 04V tnerruCtuptuOI O )CD( 5.1A tnerruCtuptuOkaePI PO 5A egatloVtupnIV NI 6+ot5.0–V tnerruCtupnII NI 01±A m noitapissiDrewoPelbawollAP D 1W erutarepmeTgnitarepOr poT 58+ot04– erutarepmeTnoitcnuJj T 051 erutarepmeTegarotSg tsT 051+ot55– * : Output is turned off regardless of input when power supply voltage is higher than VRESET . retemaraPl obmySs noitidnoC sgnitaR tinU nimp ytx am egatloVnwodkaerBecruoS-ot-niarDV SSD V NI I,0= O Am3=0 4V )1(tnerruCffOtuptuOI SSD 1V NI V,0= SD V04=3 A m )2(tnerruCffOtuptuOI SSD 2V NI V,0= SD V52=5 .1A m egatloVtupnIV HI V DD I,)CA(V42= O A5.1=5 .45 6 V egatloVtupnIV LI V DD I,)CA(V42= O Am5=8 .0V egatloVnOV SD )NO(V NI I,V5= O A5.1=5 .05 7.0V ecnatsiseRnOR SD )NO(V NI I,V5= O A5.1=5 .0 W timiLtnerruClanretnII S V NI V5=5 A tnerruCtupnII NI V NI V,V5= SD )NO( £ V11 A m *egatloVteseRnoitcetorPV TESER V NI V5=6 .4V

No.5475-2/3 TND002 Circuit

PS No.5475-3/3 No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. Anyone purchasing any products described or contained herein for an above-mentioned use shall: Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: Not impose any responsibilty for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guarant- eed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of July, 1998. Specifications and information herein are subject to change without notice. TND002 Sample Applications Circuit Operation

  • When the input voltage exceeds 4.5V , the output power MOSFET is turned on to cause current to flow throufh the lamp and turn it on. At this time, if a rush current flows through the lamp, the current will be limited to about 5A by the built-in overcurrent protection circuit. When the input voltage drops below 0.8V , the output power MOSFET is turned off and the lamp is turned off.
  • When the lamp load is short-circuited, output voltage becomes equal to the power supply voltage. Therefore, the reset circuit operates to turn off the output power MOSFET, protecting the power switch from destruction.