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MFS2301BMBACEP Datasheet(PDF) 39 Page - NXP Semiconductors |
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MFS2301BMBACEP Datasheet(HTML) 39 Page - NXP Semiconductors |
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39 / 230 page  NXP Semiconductors FS23 Safety system basis chip (SBC) with power management, CAN FD and LIN transceivers TA = –40 °C to 125 °C, unless otherwise specified. V1_IN = VBUCK_IN (min) to 36 V, unless otherwise specified. All voltages referenced to ground. Symbol Description Min Typ Max Unit F20MHz_ACC HVBUCK oscillator accuracy -10 - 10 % Spread spectrum FSSMOD Spread spectrum frequency modulation - 19 - FSSRANGE Spread spectrum Range - -10 0 Table 15. Electrical characteristics...continued [1] Average and peak current limits is set dependently, taking into account the inductor value. [2] For all regulators, the effective capacitor value is the capacitor value after Tolerance, DC bias and Aging removal. 13.1.5 HVBUCK efficiency The HVBUCK efficiency was measured at 450 kHz and 2.2 MHz in PWM and PFM modes using the exact hardware and OTP configurations listed in Table 16. Configurations Main parameter 3.3 V, 450 kHz 5 V, 450 kHz 3.3 V, 2.2 MHz 5 V, 2.2 MHz External components Input capacitor (nominal) 10 µF 10 µF 10 µF 10 µF Input capacitor (effective) 7.3 µF 7.3 µF 7.3 µF 7.3 µF Input capacitor ESR 3.8 mΩ 3.8 mΩ 3.8 mΩ 3.8 mΩ Inductor 22 µH CLF5030NIT-220M-D 22 µH CLF5030NIT-220M-D 4.7 µH TFM252012ALMA4R7MTAA 4.7 µH TFM252012ALMA4R7MTAA Inductor DCR 240 mΩ 240 mΩ 200 mΩ 200 mΩ Output capacitor (nominal) 50 µF 40 µF 10 µF 20 µF Output capacitor (effective) 45.5 µF 31.8 µF 9.1 µF 15.9 µF Output capacitor ESR 0.46 mΩ 0.58 mΩ 3.1 mΩ 1.6 mΩ Bootstrap capacitor 33 nF 33 nF 33 nF 33 nF OTP configuration 3.3 V 5 V 3.3 V 5 V Output voltage Normal mode VV1_BUCK_OTP 0110010 1010100 0110010 1010100 3.3 V 5 V 3.3 V 5 V Output voltage LPON mode VV1_LP_BUCK_OTP 0110010 1010100 0110010 1010100 450 kHz 450 kHz 2.2 MHz 2.2 MHz Switching frequency BUCK_CLK_OTP 0 0 1 1 975 kΩ 975 kΩ 975 kΩ 975 kΩ Compensation resistor BUCK_RCOMP_OTP 010 010 010 010 23 pF 23 pF 33.5 pF 33.5 pF Compensation capacitor BUCK_CCOMP_OTP 01 01 10 10 426 mV/µs 361 mV/µs 3280 mV/µs 2870 mV/µs Slope compensation (at 12V) BUCK_SC_OTP 100101 101001 010111 011100 6.3 ns 6.3 ns 6.3 ns 6.3 ns High side MOS turn ON slew rate BUCK_SRHSON_OTP 100 100 100 100 10 ns 10 ns 5 ns 5 ns High side MOS turn OFF slew rate BUCK_SRHSOFF_OTP 10 10 11 11 700 mA 700 mA 600 mA 600 mA PWM average current limit BUCK_AVG_OC_PWM_OTP 101 101 100 100 PWM peak current limit 925 mA 925 mA 825 mA 825 mA Table 16. Hardware and OTP configurations 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 39 / 230 |
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