lm9061mx National Semiconductor Corporation, lm9061mx Datasheet
lm9061mx
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lm9061mx Summary of contents
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... Designed for the automotive application environment the LM9061 has a wide operating temperature range of −40˚C to Typical Application © 2006 National Semiconductor Corporation +125˚C, remains operational with V withstand 60V power supply transients. The LM9061 is avail- able in an 8-pin small outline surface mount package. ...
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... Ordering Information Order Number Package Type LM9061M LM9061MX Connection Diagram Pin Descriptions Pin # Pin Symbol Pin Description The inverting input to the protection comparator, connected to the external MOSFET source 1 Sense pin and the load. The non-inverting input to the protection comparator, and a current sink for the threshold ...
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Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage Reverse Supply Current Output Voltage Voltage at Sense and Threshold (through 1 kΩ) ON/OFF Input Voltage Junction ...
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AC Timing Characteristics C = 0.022 µF, unless otherwise specified. DELAY Symbol Parameter T Output Turn-ON Time ON T Output Turn-OFF Time, OFF(NORMAL) Normal Operation (Note 4) T Output Turn-OFF Time, OFF(Latch-OFF) Protection Comparator Tripped (Note 4) T Delay Timer ...
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Typical Operating Waveforms 5 01231705 www.national.com ...
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Typical Operating Waveforms www.national.com (Continued) Timing Definitions 6 01231707 ...
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Typical Electrical Characteristics Standby Supply Current vs V Output Voltage vs V Output Sink Current vs Temperature Operating Supply Current 01231717 Output Sink Current vs Temperature CC 01231719 Output Source Current vs Output Voltage 01231721 7 CC ...
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Typical Electrical Characteristics Reference Voltage vs Temperature Delay Charge Current vs Temperature www.national.com (Continued) Delay Threshold vs Temperature 01231723 01231725 8 01231724 ...
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Block Diagram 9 01231704 www.national.com ...
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Application Information BASIC OPERATION The LM9061 contains a charge pump circuit that generates a voltage in excess of the applied supply voltage to provide gate drive voltage to power MOSFET transistors. Any size of N-channel power MOSFET, including multiple parallel ...
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Application Information −V because the MOSFET must turn itself back ON to GS(ON) continue conducting the load current until the energy in the inductance has been dissipated (at time t7). MOSFET PROTECTION CIRCUITRY A unique feature of the LM9061 is ...
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Application Information ing and setting a maximum operational value for the drain to source voltage drop addition, in the event that the DS load is inadvertently shorted to ground, the power device will automatically be turned-OFF. In ...
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Application Information To tailor the V threshold for any particular applica- DS (MAX) tion, the resistor R can be selected per the follow- THRESHOLD ing formula: where R = 15.4 kΩ the input bias current to the REF ...
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Application Information go high to set a flip-flop and immediately latch the MOSFET OFF. It will not re-start until the ON/OFF Input is toggled low then high. The delay time interval is set by the selection of C can be ...
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Application Information FIGURE 5. Adding Over-Voltage Protection REVERSE BATTERY The LM9061 is not protected against reverse polarity supply connections. If the V supply should be taken negative with CC respect to ground, the current from the V limited to 20 ...
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Application Information DRIVING MOSFET ARRAYS The LM9061 is an ideal driver for any application that re- quires multiple parallel MOSFETs to provide the necessary load current. Only a few “common sense” precautions need to be observed. All MOSFETs in the ...
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Application Information INCREASING MOSFET TURN ON TIME The ability of the LM9061 to quickly turn on the MOSFET is an important factor in the management of the MOSFET power dissipation. Caution should be exercised when at- tempting to increase the ...
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Physical Dimensions inches (millimeters) unless otherwise noted National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and ...