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FS23 Scheda tecnica(PDF) 42 Page - NXP Semiconductors |
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FS23 Scheda tecnica(HTML) 42 Page - NXP Semiconductors |
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42 / 230 page  NXP Semiconductors FS23 Safety system basis chip (SBC) with power management, CAN FD and LIN transceivers 13.2.2 Application schematic aaa-051446 CIN_LDO1 COUT_LDO1 Optional VLDO1 V1_IN V1 - HVLDO1 Figure 24. HVLDO1 application schematic, with optional external PNP 13.2.3 Electrical characteristics TA = −40 °C to 125 °C, unless otherwise specified. V1_IN = VSUP = 5.5 V to 40 V if V1 = 5 V, or V1_IN = VSUP = 4 V to 40 V if V1 = 3.3 V, unless otherwise specified. All voltages referenced to ground. Symbol Parameter Min Typ Max Unit Static electrical characteristics VLDO1_IN Input voltage range 4 - 40 V VLDO1 Output voltage (OTP configurable) VV1_LDO_OTP = 0 VV1_LDO_OTP = 1 3.234 4.9 3.3 5.0 3.366 5.1 V VLDO1_ACC Output voltage accuracy -2 - 2 % VLDO1_DROP Maximum output voltage drop in drop out mode (VLDO1 = 5 V, VLDO1_IN = 4.5 V, ILDO1 = 100 mA) - - 500 mV ILDO1_PNP_RATIO Current ratio between int. PMOS and ext. PNP 3.4 4.0 4.6 - ILDO1_NORMAL_PMOS DC current capability in Normal mode (int. PMOS only) - - 100 mA ILDO1_NORMAL_PNP DC current capability in Normal mode (with ext. PNP) - - 250 mA ILDO1_LPON DC current capability in LPON mode (int. PMOS only) - - 100 mA ILDO1_ILIM_PMOS Internal PMOS current limitation CONF_OC_V1_OTP = 0 CONF_OC_V1_OTP = 1 150 75 - - 300 160 mA ILDO1_ILIM_PNP Total current limitation with ext. PNP CONF_OC_V1_OTP = 0 CONF_OC_V1_OTP = 1 660 330 - - 840 420 mA mA ILDO1_ILIM_BASE External PNP base current limitation 10 - 20 mA TSDV1 Thermal shutdown threshold 175 190 215 °C TSDV1_HYST Thermal shutdown threshold hysteresis 6 9 16 °C Dynamic electrical characteristics TLDO1_SOFT_START Soft start (from 10 % to 90 %), with and without ext. PNP 150 300 500 µs TLDO1_PDWN Discharge time when disabled - - 2 ms TLDO1_ILIM Current limit filtering time 16 20 36 µs Table 17. LDO1 electrical characteristics FS23 All information provided in this document is subject to legal disclaimers. © 2024 NXP B.V. All rights reserved. Product data sheet Rev. 7.0 — 16 October 2024 Document feedback 42 / 230 |
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