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MC34920 データシート(PDF) 10 Page - Motorola, Inc |
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MC34920 データシート(HTML) 10 Page - Motorola, Inc |
10 / 28 page 34920 MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA 10 DYNAMIC ELECTRICAL CHARACTERISTICS Characteristics noted under conditions 21 V ≤ VVB+ ≤ 42 V, TA = 10°C to 55°C, TJ max = 135°C, VCC = 5.25 V max unless otherwise noted. Typical values noted reflect the approximate parameter mean at TA = 25°C under typical conditions unless otherwise noted. Characteristic Symbol Min Typ Max Unit SERIAL INPUT PORT TIMING Serial Clock Frequency fCLK – 4.0 12 MHz SCLK High Width tCLH 41.667 125 – ns SCLK Low Width tCLL 41.667 125 – ns Delay CS Falling to First SCLK Rising tCS-SCLK 83.333 250 – ns Delay Last SCLK Rising Edge to CS Rising tSCLK-CS 83.333 250 – ns Data Valid to SCLK Set-Up Time tDSU 41.667 125 – ns Data Hold Time tDHD 41.667 125 – ns SDI Rise Time tRD 5.0 – 10 ns SDI Fall Time tFD 5.0 – 10 ns SCLK Rise/Fall Time tRFC 5.0 – 10 ns CS Off-Time (tDHD + tDSU) tNCS-OFF 83.333 250 – ns V1 AND V2 VOLTAGE REGULATORS Clock Frequency Overtemperature fOP 175 200 225 kHz V1 Duty Cycle V1_DC 35 37.5 40 % V2 Duty Cycle V2_DC 80 82.5 85 % BIPOLAR CURRENT REGULATED STEP MOTOR DRIVE SYSTEM Shoot-Through Delay tDEAD 15 200 350 ns Off-Time tOFF 20 29 38 µs Current Blanking Time tBLANK 300 – 750 ns DC MOTOR DRIVE SYSTEM PWM Frequency TA = 25°C fPWM – 20 21 kHz Shoot-Through Delay tDEAD 15 180 350 ns Overcurrent Off-Time tOC_OFF 10 40 70 µs Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
同様の部品番号 - MC34920 |
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同様の説明 - MC34920 |
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