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MFS2401AVBA0ES Datasheet(PDF) 38 Page - NXP Semiconductors |
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MFS2401AVBA0ES Datasheet(HTML) 38 Page - NXP Semiconductors |
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38 / 151 page  NXP Semiconductors FS2400 Fail-safe system basis chip with SMPS and LDO, CAN FD transceiver Output current (A) 0 0.4 0.3 0.2 0.1 aaa-051570 60 70 50 80 90 Efficiency (%) 40 2 V 3.3 V Figure 23. HVBUCK efficiency at 2.25 MHz using VLS3015CX-4R7M-H Figure 24 is the HVBUCK efficiency measured in PFM, using the TFM252012ALMA4R7MTAA reference inductor and the VLS3015CX-4R7M-H reference inductor. Output current (A) Efficiency (%) aaa-051571 10-4 10-1 10-3 10-2 65 75 85 55 3.3 V VLS3015CX-4R7M-H 3.3 V TFM252012ALMA4R7MTAA Figure 24. HVBUCK PFM efficiency 14.2 V3 HVLDO: High-voltage linear regulator 14.2.1 Functional description HVLDO3 is a high-voltage, linear-voltage regulator. It is supplied from the battery. The output voltage is configurable by OTP at 3.3 V or 5 V. A minimum voltage drop of 500 mV is required. HVLDO3 is low-power capable and can stay enabled in LPON mode by setting V3ON_LPON bit by SPI. However, if disabled in LPON mode, it cannot be enabled again by SPI in this mode. This regulator is meant to supply the integrated CAN transceiver. The connection is made externally. HVLDO3 can also supply an additional external transceiver on the module. An overcurrent detection and a thermal shutdown are implemented on HVLDO3 to protect the internal pass device. When an overcurrent is detected, V3OC_I flag is generated and the regulator remains enabled. It is FS2400 All information provided in this document is subject to legal disclaimers. © 2024 NXP B.V. All rights reserved. Product data sheet Rev. 4 — 23 October 2024 Document feedback 38 / 151 |
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