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数据搜索系统，热门电子元器件搜索 |
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L9300 数据表(PDF) 24 Page - STMicroelectronics |
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L9300 数据表(HTML) 24 Page - STMicroelectronics |
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24 / 178 page  Symbol Parameter Test condition Min Typ Max Unit Pin VDD2_line Line regulation VDD2_SUP 6 V to 19 V, IVDD2 = 10 mA, 200 mA -10 +10 mV VDD2 VDD2_load Load regulation IVDD2 = 10 mA to 200 mA, VBATP 6 V to 19 V -10 +10 mV VDD2 VDD2_Vout_tr1 Transient output voltage 1 VDD2_SUP = 13 V, IVDD2 = 10 mA to 200 mA dI/dt = 200 mA/µs, CVDD2 = 2.2 µF, Guaranteed by design -5 +5 % VDD2 VDD2_Vout_tr2 Transient output voltage 2 VDD2_SUP step 12 V to 18 V; 18 V to 12 V, dVDD2_SUP/dt = 3 V/µs, IVDD2 = 10 mA, 200 mA, CVDD2 = 2.2 µF, Guaranteed by design -5 +5 % VDD2 VDD2_RdsON RdsON Tj = 150 °C, VDD2_SUP = VDD2_SEL, IVDD2 = 200 mA 3.6 Ω VDD2 VDD2_RdsON RdsON Tj = 175 °C, VDD2_SUP = VDD2_SEL, IVDD2 = 200 mA, Guaranteed by design 4 Ω VDD2 VDD2_PSSR PSSR VDD2_SUP = 6.5 V, IVDD2 = 200 mA, Vnoise = 1 Vpp, fnoise = 465 kHz, CVDD2 = 2.2 µF Guaranteed by design 20 dB VDD2 VDD2_cur lim Current limitation VDD2 = -2 V 250 375 mA VDD2 VDD2_rev cur Reverse current in off condition VDD2 = 20 V VDD2_SUP from 0 V to 19 V, VDD2 disabled 0.2 2 mA VDD2 VDD2_rev cur Reverse current in on condition VDD2 = 20 V VDD2_SUP from 0 V to 19 V VDD2 enabled 0.2 2 mA VDD2 VDD2_ovs_a Overshoot at power on IVDD2 = 10 mA, CVDD2 = 2.2 µF 5.5 V VDD2 VDD2_ovs_b Overshoot at VBATP step VBATP step from 5.5 V to 13 V during 10 µs, considering 1 µH wiring harness, IVDD2 = 200 mA, CVDD2 = 2.2 µF 5.7 V VDD2 VDD2_off Off state voltage 1 V VDD2 VDD2_soft Soft start IVDD2 = 10 mA, CVDD2 = 2.2 µF 5 25 V/ms VDD2 Diagnostic VDD2_rev_ cur_det Reverse current detection voltage VDD2_SUP VDD2_SUP +0.2 V VDD2 T_SD_TRK Temperature shut down 175 185 °C VDD2 T_SD_hy Temperature shut down hysteresis 5 10 °C VDD2 T_SD_deglitch Digital deglitch filter time Guaranteed by scan 7.5 10 12.5 µs VDD2 8.2.3 VDD2 error handling Table 9. VDD2 type of errors Type of error Detection condition Action Clear SPI flag Restart condition VDD2 out of regulation ON state Set VDD2_OUT_OF_REGULATION SPI flag (4) in TRK-CAN FAULT register On read N.A VDD2 reverse current ON state VDD2 internal path to VDD2_SUP open, VDD2_REVERSE_CURRENT SPI flag (6) latched in TRK- CANFAULT register On read Automatic restart when fault disappears. L9300 Power supply DS12258 - Rev 5 page 24/178 |
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