MIC4102_11 MIC [MIC GROUP RECTIFIERS], MIC4102_11 Datasheet
MIC4102_11
Related parts for MIC4102_11
MIC4102_11 Summary of contents
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General Description The MIC4102 is a high frequency, 100V Half Bridge MOSFET driver IC featuring internal anti-shoot-through protection. The low-side and high-side gate drivers are controlled by a single input signal to the PWM pin. The MIC4102 implements adaptive anti-shoot-through ...
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Micrel, Inc. Ordering Information Part Number Standard Pb-Free MIC4102BM MIC4102YM Pin Configuration Pin Description Pin Number Pin Name 1 VDD PWM VSS 8 LO November 2006 Input Junction Temp. Range ...
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Micrel, Inc. Absolute Maximum Ratings Supply Voltage ( – ...................... -0.3V to 18V Input Voltages ( ..................... -0. PWM, LS Voltage .............................. -0. ...
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Micrel, Inc. Electrical Characteristics Symbol Parameter LO Gate Driver V Low Level Output Voltage OLL V High Level Output Voltage OHL I Peak Sink Current OHL I Peak Source Current OLL HO Gate Driver V Low Level Output Voltage OLH ...
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Micrel, Inc. Electrical Characteristics (cont.) Symbol Parameter Switching Specifications (cont.) Minimum Input Pulse Width that t PW changes the output with LS=5V Minimum Output Pulse Width with min pulse width on PW PWM with LS=5V Minimum Input ...
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Micrel, Inc. Typical Characteristics November 2006 6 MIC4102 M9999-112806 ...
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Micrel, Inc. Typical Characteristics (cont.) November 2006 7 MIC4102 M9999-112806 ...
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Micrel, Inc. Timing Diagrams t HOON 30ns 60ns LOOFF Switch node (HS Pin) 1 PWM t LOOFF 30ns 60ns LS Time Point Action 1-2 PWM signal goes high. This initiates the LO signal to ...
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Micrel, Inc. Functional Diagram PWM Functional Description The MIC4102 is a high synchronous MOSFET driver that uses a single PWM input signal to alternately drive both high-side and low- side N-Channel ...
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Micrel, Inc. Vdd Drive Signal LS Vss Figure 2. Low-Side Driver Block Diagram High-Side Driver and Bootstrap Circuit A block diagram of the high-side driver and bootstrap circuit is shown in Figure 3. This driver is designed to drive a ...
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Micrel, Inc. Applications Information Power Dissipation Considerations Power dissipation in the driver can be separated into three areas: • Internal diode dissipation in the bootstrap circuit • Internal driver dissipation • Quiescent current dissipation used to supply the internal logic ...
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Micrel, Inc. Figure 6 shows a simplified equivalent circuit of the MIC4102 driving an external MOSFET. Vdd HB Ron Roff HS Figure 6. MIC4103 Driving an External MOSFET Dissipation during the external MOSFET Turn-On Energy from ...
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Micrel, Inc. The power dissipated by the MIC4102 due to supply current is = × + × Pdiss Vdd Idd Vhb Ihb sup ply Total power dissipation and Thermal Considerations Total power dissipation in the MIC41032 equals the power dissipation ...
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Micrel, Inc. the voltage on the switching node (HS pin) must have dropped to 2.5V below the Vdd voltage. Monitoring the switch voltage instead of the HO pin voltage eliminates timing variations and excessive delays due to the high side ...
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Micrel, Inc. Current in the high-side driver is sourced from capacitor C and flows into the HB pin and out the HO pin, into B the gate of the high side MOSFET. The return path for the current is from ...
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Micrel, Inc. Figure 11. Typical Converter Power Stage Figure 12. Typical Layout of a Synchronous Buck Converter Power Stage 1. The circuit is configured as a synchronous buck power stage. The high-side MOSFET drain connects to the input supply voltage ...
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Micrel, Inc. Package Information MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http:/www.micrel.com The information furnished by Micrel in this data sheet is believed to be accurate and reliable. ...