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LB1847 Datasheet(PDF) 5 Page - Sanyo Semicon Device |
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LB1847 Datasheet(HTML) 5 Page - Sanyo Semicon Device |
5 / 16 page LB1847 No. 5982-5/16 Pin Assignment Pin function Pin number Pin name Function description Sets the OFF time for FAST mode and SLOW mode in MIX DECAY Setting input range: 4V to 1.5V 2 Output set current reference supply pin 13 Setting voltage range: 0V to 3V 3 CR1 12 CR2 4E1 11 E2 5 DECAY1 SLOW mode/FAST mode selector pin 10 DECAY2 SLOW DECAY: H FAST DECAY: L 6 7 8 9 14 Output stage supply voltage pin 15 GND Ground pin 27 PHASE1 16 PHASE2 26 ENABLE1 17 ENABLE2 22, 23 24, 25 Output set current digital input pin 21, 20 15-stage voltage setting 19, 18 28 Logic block supply voltage pin 1 M D Output OFF time setting pin for switching operation Pin for controlling the set current with sensing resistor RE Output pin Output phase selector input pin Output ON/OFF setting input pin VREF1 VREF2 OUTA OUTA OUTB OUTB VBB IA4, IA3 IA2, IA1 IB4, IB3 IB2, IB1 VCC 1 28 2 27 3 26 4 25 5 24 6 23 7 22 8 21 9 20 10 19 11 18 12 17 13 16 14 15 LB1847 A11312 Top view |
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