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MFS2401AVBA0ES Datasheet(PDF) 36 Page - NXP Semiconductors |
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MFS2401AVBA0ES Datasheet(HTML) 36 Page - NXP Semiconductors |
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36 / 151 page  NXP Semiconductors FS2400 Fail-safe system basis chip with SMPS and LDO, CAN FD transceiver TA = –40 °C to 115 °C, unless otherwise specified. VBUCK + VHDR < V1_IN pin voltage < 36 V, unless otherwise specified. All voltages referenced to ground. Symbol Description Min Typ Max Unit tBUCKHS_ON_2M2_3V3 High-Side FET ON time in PFM mode, VBUCK = 3.3 V, VBUCK_IN = 12 V, FSW_BUCK = 2.25 MHz BUCK_PFM_TON_OTP[1:0] = 00 BUCK_PFM_TON_OTP[1:0] = 01 BUCK_PFM_TON_OTP[1:0] = 10 BUCK_PFM_TON_OTP[1:0] = 11 129 165 204 243 162 209 257 305 196 253 310 367 ns tBUCKHS_ON_450k_3V3 High-Side FET ON time in PFM mode, VBUCK = 3.3 V, VBUCK_IN = 12 V, FSW_BUCK = 450 kHz BUCK_PFM_TON_OTP[1:0] = 00 BUCK_PFM_TON_OTP[1:0] = 01 BUCK_PFM_TON_OTP[1:0] = 10 BUCK_PFM_TON_OTP[1:0] = 11 687 858 1026 1195 820 1023 1221 1422.5 953 1188 1426 1650 ns tBUCKHS_ON_2M2_5V High-Side FET ON time in PFM mode, VBUCK = 5 V, VBUCK_IN = 12 V, FSW_BUCK = 2.25 MHz BUCK_PFM_TON_OTP[1:0] = 00 BUCK_PFM_TON_OTP[1:0] = 01 BUCK_PFM_TON_OTP[1:0] = 10 BUCK_PFM_TON_OTP[1:0] = 11 160 205 254 303 205 263 324 386 250 322 395 469 na tBUCKHS_ON_450k_5V High-Side FET ON time in PFM mode, VBUCK = 5 V, VBUCK_IN = 12 V, FSW_BUCK = 450 kHz BUCK_PFM_TON_OTP[1:0] = 00 BUCK_PFM_TON_OTP[1:0] = 01 BUCK_PFM_TON_OTP[1:0] = 10 BUCK_PFM_TON_OTP[1:0] = 11 842 1050 1255 1465 1021 1272.5 1632.5 1772.5 1200 1495 2010 2080 ns tBUCKHS_OFF High-Side FET OFF time in PFM mode FSW_BUCK = 2.25 MHz BUCK_PFM_TOFF_OTP[1:0] = 00 BUCK_PFM_TOFF_OTP[1:0] = 01 BUCK_PFM_TOFF_OTP[1:0] = 10 BUCK_PFM_TOFF_OTP[1:0] = 11 FSW_BUCK = 450 kHz BUCK_PFM_TON_OTP[1:0] = 00 BUCK_PFM_TON_OTP[1:0] = 01 BUCK_PFM_TON_OTP[1:0] = 10 BUCK_PFM_TON_OTP[1:0] = 11 85 160 230 300 380 730 1070 1420 130 250 360 475 605 1170 1725 2285 195 360 525 695 890 1700 2520 3340 ns External components Nominal inductor for FSW_BUCK = 450 kHz (± 30 % tolerance) 15 22 33 µH L_BUCK Nominal inductor for FSW_BUCK = 2.25 MHz (± 30 % tolerance) 3.3 4.7 5.5 µH CIN_BUCK Nominal input capacitor 4.7 10 - µF CBOOT_BUCK Nominal[1] bootstrap capacitor - 22 - nF COUT_BUCK_450k_3V3 Effective[2] output capacitor for FSW_BUCK = 450 kHz, VBUCK = 3.3 V 25 50 100 µF COUT_BUCK_450k_5V Effective[2] output capacitor for FSW_BUCK = 450 kHz, VBUCK = 5 V 25 40 100 µF COUT_BUCK_2M2_3V3 Effective[2] output capacitor for FSW_BUCK = 2.2 MHz, VBUCK = 2 - 3.3 V 6.5 10 30 µF COUT_BUCK_2M2_5V Effective[2] output capacitor for FSW_BUCK = 2.2 MHz, VBUCK = 5 V 13 20 40 µF Oscillator and spread spectrum F20MHz HVBUCK oscillator nominal frequency 19 20 21 Mhz FSSMOD Spread-spectrum frequency modulation - 19 - kHz FSSRANGE Spread-spectrum range -10 - 10 % Table 13. Electrical characteristics...continued [1] For all regulators, the nominal capacitor value is the capacitor value normalized [2] For all regulators, the effective capacitor value is the capacitor value after Tolerance, DC bias and Aging removal. 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 36 / 151 |
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