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MC34920 数据表(PDF) 6 Page - Motorola, Inc |
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MC34920 数据表(HTML) 6 Page - Motorola, Inc |
6 / 28 page 34920 MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA 6 STATIC 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 POWER INPUT VVB+ Supply Voltage VVB+ 21–42 V VVB+ Standby Current VVB+ = 42 V, ICC Load = 5.0 mA, No Serial Clock, No Motor Driver, No Load on VV2 IVB+ 1.0 14 55 mA CMOS LOGIC LEVEL (Note 7) Input Current, High-Voltage State IIH – 0.1 170 µA Input Current, Low-Voltage State IIL -170 -0.1 – µA Input Low Input Voltage State VCC + 3.3 V ±10% VCC +5.0 V ±5% VIL – – – – 0.8 1.5 V Input High-Voltage State VCC + 3.3 V ±10% VCC +5.0 V ±5% VIH 2.1 3.3 – – – – V V1 AND V2 VOLTAGE REGULATORS Regulator Output Voltage VOUT -4.0% Nom +4.0% V Regulator Thermal Shutdown Junction Temperature TJ(SHUTDOWN) 155 – 175 oC Regulator Thermal Junction Temperature TJ(ENABLE) 135 – 155 oC Overcurrent Detect Level (Peak) for IV1_SWITCH IOC_V1 1.5 2.0 2.5 A Overcurrent Detect Level (Peak) for IV2_SWITCH IOC_V2 2.5 3.25 4.0 A Short Circuit Detect Level (Peak) for IV1_SWITCH In Soft Start and Foldback Modes ISC_V1 0.75 1.25 1.75 A Short Circuit Detect Level (Peak) for IV2_SWITCH In Soft Start and Foldback Modes ISC_V2 1.75 2.25 2.75 A V1 Switching MOSFET on Resistance Full On, Typical Value @ TJ = 25°C RDS(ON)V1 – 2.0 – Ω V2 Switching MOSFET on Resistance Full On, Typical Value @ TJ = 25°C RDS(ON)V2 – 0.75 – Ω Regulator Feedback Input Internal Reference Value of 2.50 V ±2% VV1_FB, VV2_FB – 2.5 – V Turn-Off Regulator VV1 Output/VV2 Output = 0 V VoffV1_FB, VoffV2_FB 3.0 – – V Notes 7. Applicable to all logic level input signals. Inputs are to be designed to accept 3.3 V logic levels and be +5.0 V tolerant. Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
类似零件编号 - MC34920 |
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类似说明 - MC34920 |
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