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NCV7420D23G Datasheet(PDF) 11 Page - ON Semiconductor |
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NCV7420D23G Datasheet(HTML) 11 Page - ON Semiconductor |
11 / 21 page NCV7420 http://onsemi.com 11 DC Characteristics – 5 V version − (VBB = 6 V to 26 V; Tjunc = −40°C to +150°C; unless otherwise specified.) Table 13. DC CHARACTERISTICS, SUPPLY − Pin VBB Symbol Parameter Conditions Min Typ Max Unit Ibb_ON Supply current Normal mode; LIN recessive 1.6 mA Ibb_STB Supply current Stand−by mode, Vbb = 6–18 V, Tjunc < 105°C 70 mA Ibb_SLP Supply current Sleep mode, Vbb = 6–18 V, Tjunc < 105°C 20 mA Table 14. DC CHARACTERISTICS, VOLTAGE REGULATOR − Pin VCC Vcc_out Regulator output voltage Vcc load 1 mA − 30 mA 4.9 5.0 5.1 V Vcc load 0 mA − 50 mA 4.83 5.0 5.17 Iout_max_abs Absolute maximum output current Thermal shutdown must be taken into account 50 mA Iout_lim Over−current limitation 50 100 170 mA DVcc_out Line Regulation (Note 26) Vbb 6−26 V, Iout = 5 mA, Tj = 25°C 0.9 mV Load Regulation (Note 26) Iout 1−50 mA, Vbb = 14 V, Tj = 25°C 74 mV Vdo Dropout Voltage (Vbb−Vcc_out) Figure 19 (Notes 25, 26) Iout = 1 mA, Tj = 25°C 13 mV Iout = 10 mA, Tj = 25°C 136 mV Iout = 50 mA, Tj = 25°C 794 mV Table 15. DC CHARACTERISTICS LIN TRANSMITTER − Pin LIN Symbol Parameter Conditions Min Typ Max Unit VLin_dom_LoSup LIN dominant output voltage TXD = low; Vbb = 7.3 V 1.2 V VLin_dom_HiSup LIN dominant output voltage TXD = low; Vbb = 18 V 2.0 V Vser_diode LIN Voltage drop at serial diode (Note 21) TXD = high; Ilin = 10 mA 0.3 1 V ILIN_lim Short circuit current limitation VLin = Vbb_max 40 200 mA Rslave Internal pull−up resistance 20 33 47 kW CLIN Capacitance on pin LIN (Note 23) 15 25 pF ILIN_off_dom LIN output current bus in dominant state Driver off; Vbb = 12 V −1 mA ILIN_off_rec LIN output current bus in recessive state Driver off; Vbb < 18 V Vbb < VLin < 18 V 1 mA ILIN_no_GND Communication not affected Vbb = GND = 12 V; 0 < VLin < 18 V −1 1 mA ILIN_no_Vbb LIN bus remains operational Vbb = GND = 0 V; 0 < VLin < 18 V 5 mA Table 16. DC CHARACTERISTICS LIN RECEIVER − Pin LIN Symbol Parameter Conditions Min Typ Max Unit Vbus_dom Bus voltage for dominant state 0.4 Vbb Vbus_rec Bus voltage for recessive state 0.6 Vbb Vrec_dom Receiver threshold LIN bus recessive → dominant 0.4 0.6 Vbb 21.The voltage drop in Normal mode between LIN and VBB pin is the sum of the diode drop and the drop at serial pull up resistor. The drop at the switch is negligible. See Figure 1. 22.By one of the trimming bits, following reconfiguration can be done during chip−level testing in order to fit the NCV7420_5 into different interface: pins TxD and EN will have typ. 10 kW pull−down resistor to ground and pin WAKE will have typ. 10 mA pull−up current source. 23.Guaranteed by design. Not tested. 24.Vbb under−voltage threshold is always higher than Vbb POR low level (Vbb_UV_th > PORL_VBB) 25.Measured at output voltage Vcc_out = (Vcc_out@Vbb = 6 V) – 2%. 26.Values based on design and characterization. Not tested in production. |
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