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L6235PD 数据表(PDF) 3 Page - STMicroelectronics |
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L6235PD 数据表(HTML) 3 Page - STMicroelectronics |
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3 / 25 page ![]() 3/25 L6235 THERMAL DATA PIN CONNECTIONS (Top view) (5) The slug is internally connected to pins 1, 18, 19 and 36 (GND pins). Symbol Description PDIP24 SO24 PowerSO36 Unit Rth(j-pins) Maximum Thermal Resistance Junction-Pins 18 14 °C/W Rth(j-case) Maximum Thermal Resistance Junction-Case 1 °C/W Rth(j-amb)1 MaximumThermal Resistance Junction-Ambient (1) (1) Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the bottom side of 6 cm2 (with a thickness of 35 µm). 43 51 - °C/W Rth(j-amb)1 Maximum Thermal Resistance Junction-Ambient (2) (2) Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the top side of 6 cm2 (with a thickness of 35 µm). -- 35 °C/W Rth(j-amb)1 MaximumThermal Resistance Junction-Ambient (3) (3) Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the top side of 6 cm2 (with a thickness of 35 µm), 16 via holes and a ground layer. -- 15 °C/W Rth(j-amb)2 Maximum Thermal Resistance Junction-Ambient (4) (4) Mounted on a multi-layer FR4 PCB without any heat-sinking surface on the board. 58 77 62 °C/W GND GND TACHO RCPULSE SENSEB EN FWD/REV 1 3 2 4 5 6 7 8 9 VREF VBOOT BRAKE OUT3 VSB GND GND 19 18 17 16 15 13 14 D01IN1194A 10 11 12 24 23 22 21 20 H1 DIAG SENSEA RCOFF OUT1 VSA OUT2 VCP H2 H3 GND N.C. N.C. VSA RCOFF OUT1 N.C. N.C. N.C. N.C. N.C. TACHO RCPULSE N.C. VSB N.C. N.C. GND 1 3 2 4 13 14 15 16 17 34 33 24 23 22 20 21 19 35 18 36 GND GND D01IN1195A H1 SENSEA DIAG SENSEB EN FWD/REV 10 11 12 27 26 25 H3 VREF 9 28 OUT2 H2 VCP BRAKE OUT3 VBOOT 5 7 8 32 30 29 N.C. N.C. 6 31 PowerSO36 (5) PowerDIP24/SO24 |
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