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BA9700A Datasheet(PDF) 4 Page - Rohm |
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BA9700A Datasheet(HTML) 4 Page - Rohm |
4 / 7 page BA9700A / BA9700AF / BA9700AFV Regulator ICs L1: RCH-875 220K (Sumida Electronics) Fig.3 Inverting converter 330 R7 330 R6 Q1 2SB1009 L1 220 µH 470 µ VOUT C4, C5 C6 470 µ ×2 RB100A D1 GND R8 10k C7 1000p 47k R9 SW1 Vref 2.57V 30k 30k 1.29V 3 10 8 11 13 14 12 4 9 6 5 2 Triangle Oscillator Voltage Regulator 1 7 ERROR AMP C1 680p 0.047 µ C2 7.5k R3 6.8k R1 33k GND VIN PWM COMPARATOR C3 1 µ R5 39k R4 22k R2 + − L1: RCH-875 221K (Sumida Electronics) Fig.4 Step-up converter R6 470 R9 470 R7 470 R8 68 Q1 Q2 2SB1009 L1 22 µH 100 µ 12V VOUT C7 C5, C6 470 µ ×2 RB100A D1 GND R1010k C8 1000p 47k R11 SW1 Vref 2.57V 30k 30k 1.29V 11 13 14 10 8 12 4 2 Triangle Oscillator Voltage Regulator + − 1 7 ERROR AMP C1 680p 0.047 µ C2 R3 7.5k R2 4.7k R1 39k GND VIN PWM COMPARATOR C4 1 µ R5 39k R4 20k 2SD1380 9 6 5 3 |
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Similar Description - BA9700A |
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