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S32K310 bảng dữ liệu(PDF) 47 Page - NXP Semiconductors |
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S32K310 bảng dữ liệu(HTML) 47 Page - NXP Semiconductors |
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47 / 146 page ![]() Table 12. V15 regulator (SMPS option) electrical specifications Symbol Description Min Typ Max Unit Condition Spec Number V15 V15 output — 1.5 — V — — — External coil inductance — 4.7 — uH — — COUT_V15_SMPS External bypass capacitor — 20-22 — uF — — — External Schottky diode average forward current — 2 — A — — VR Schottky diode reverse voltage 5.0 — — V — — IF Schottky diode forward current 1.0 — — A — — — External P-channel MOSFET total gate charge — — 10 nC VDD_DCDC = 5V — — External P-channel MOSFET threshold voltage — — 2 V — — CBULK_SMPS1 Input supply bulk capacitor for internal SMPS — 22 — µF — — 1. Only needed when internal SMPS is used to generate V15 and VDD_DCDC is supplied with isolated source from VDD_HV_A or VDD_HV_B. VDD_HV_SMPS V15 L_SMPS D_SMPS Q_SMPS COUT_V15_SMPS VDD_DCDC PMOS_CTRL Figure 28. SMPS circuit 6.9 V15 regulator (BJT option, NPN ballast transistor control) electrical specifications Some devices (S32K358, S32K348, S32K338, S32K328, S32K344, S32K324, S32K314, S32K342, S32K322, S32K341) support a linear regulator stage, with a dedicated pin to control an external NPN bipolar transistor. The chip hardware design guidelines document lists the recommended part numbers for the external devices. NXP Semiconductors Power management S32K3xx Data Sheet, Rev. 7, 04/2023 Data Sheet: Technical Data Preliminary Information 47 / 146 |
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