descr iption f eatures applications dimension (unit : mm) * der ating : 6.0mw/ ? c f or oper ation abo v e t a=25 ? c vqfp48 0.5 0.15 1.0 0.2 9.0 0.2 7.0 0.1 9.0 0.2 7.0 0.1 48 37 1 12 13 24 25 36 0.5 0.1 1.6max. 0.1 0.05 0.75 0.75 1.4 0.05 0.08 s 0.08 m 0.145 + 0.05 - 0.03 0.22 + 0.05 - 0.04 4 ? + 6 - 4 BD9713KV 7ch s witching regulator controller absolute maxim um ratings (t a=25 ? c) supply v oltage p o w er dissipation oper ating temper ature r ange stor age temper ature r ange p ar ameter symbol limits unit vcc pd t opr tstg 15 600 +85 +125 e 20 e 55 ~ ~ mw ? c ? c v * BD9713KV is a pwm s witching regulator controller ic . 7 channel s witching regulator controllers are incor por ated into a vqfp48 pac kage . this ic can dr iv e e xter nal p-channel fet directly . ref erence v oltage , tr iangular w a v e oscillator , pwm compar ator , cmos type dr iv er , shor t-circuit protection circuit, and under v oltage loc k out circuit are all incor por ated in this ic . 1) 7-channel dr iv er f or main s witch are incor por ated and p-ch fet can be dr iv en directly . 2) built-in shor t circuit protection (timer latch type) when o v er loaded 3) built-in under v oltage loc k out circuit 4) all channels can be off or 5, 6, 7 channels can be set off independently . 5) circuit current is 10 m a or less , when all channels are off . 6) built-in high-precision ref erence v oltage circuit ( 1%) mo vie , d vc
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