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SM72295MAX Fiches technique(PDF) 3 Page - Texas Instruments |
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SM72295MAX Fiches technique(HTML) 3 Page - Texas Instruments |
3 / 17 page SM72295 www.ti.com SNVS688E – OCTOBER 2010 – REVISED APRIL 2013 PIN DESCRIPTIONS (continued) Pin Name Description Application Information 19, 27 HOA, High side gate driver output Connect to gate of high side MOSFET with a short low inductance path. HOB 20,26 HBA, High side gate driver bootstrap rail. Connect the positive terminal of the bootstrap capacitor to HB and the negative HBB terminal to HS. The bootstrap capacitor should be placed as close to IC as possible. 21,25 VCCA, Positive gate drive supply Locally decouple to PGND using low ESR/ESL capacitor located as close to IC VCCB as possible. 22, 24 LOA, Low side gate driver output Connect to the gate of the low side MOSFET with a short low inductance path. LOB 23 PGND Power ground return Ground return for the LO drivers. Tie to the ground plane under the IC These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. Absolute Maximum Ratings (1) (2) VCCA, VCCB -0.3 to 14V VDD -0.3 to 7V HBA to HSA, HBB to HSB -0.3 to 15V LIA,LIB,HIA,HIB,OVS -0.3 to 7V LOA,LOB -0.3 to VCC+ 0.3V HOA,HOB HS–0.3 to HB + 0.3V SIA,SOA,SIB,SOB -0.3 to 100V SIA to SOA, SIB to SOB -0.8 to 0.8V HSA,HSB(3) -5 to 100V HBA, HBB 115V PGOOD, OVP -0.3 to VDD IIN, IOUT -0.3 to VDD BIN, BOUT -0.3 to VDD Junction Temperature 150°C Storage Temperatue Range -55°C to +150°C ESD Rating(4) Human Body Model 2 kV (1) Absolute Maximum Ratings indicate limits beyond which damage to the component may occur. Operating Ratings are conditions under which operation of the device is ensured. Operating Ratings do not imply ensured performance limits. For ensured performance limits and associated test conditions, see the Electrical Characteristics tables. (2) If Military/Aerospace specified devices are required, please contact the TI Sales Office/ Distributors for availability and specifications. (3) In the application the HS nodes are clamped by the body diode of the external lower N-MOSFET, therefore the HS node will generally not exceed –1V. However, in some applications, board resistance and inductance may result in the HS node exceeding this stated voltage transiently. If negative transients occur, the HS voltage must never be more negative than VCC-15V. For example if VCC = 10V, the negative transients at HS must not exceed –5V. (4) The human body model is a 100 pF capacitor discharged through a 1.5 k Ω resistor into each pin. 2 kV for all pins except HB, HO & HS which are rated at 1000V. Copyright © 2010–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: SM72295 |
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