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S32K310 Folha de dados(PDF) 45 Page - NXP Semiconductors

Nome de Peças S32K310
Descrição Electrónicos  Supports S32K344, S32K324, S32K314, S32K312, S32K341 and S32K342. Data is preliminary for S32K311, S32K310, S32K328, S32K338, S32K348, S32K358 and S32K388
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Fabricante Electrônico  NXP [NXP Semiconductors]
Página de início  http://www.nxp.com
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S32K310 Folha de dados(HTML) 45 Page - NXP Semiconductors

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6.8 V15 regulator (SMPS option) electrical specifications
Some devices (S32K358, S32K348, S32K338, S32K328, and S32K388) support a SMPS, DC-DC buck converter stage, with a
dedicated pin to control an external Power P-channel MOSFET. In addition to the PMOS, an external inductor and a Schottky
diode are required. See related figures in section "Recommended decoupling capacitors".
The chip hardware design guidelines document lists the recommended part numbers for PMOS, Schottky diode and inductor.
Table 12. V15 regulator (SMPS option) electrical specifications
Symbol
Description
Min
Typ
Max
Unit
Condition
Spec
Number
V15
V15 output
—
1.51
—
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
—
—
VDD_HV_SMPS
V15
L_SMPS
D_SMPS
Q_SMPS
COUT_V15_SMPS
VDD_DCDC
PMOS_CTRL
Figure 26. 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. 5.2, 10/2022
Data Sheet: Technical Data
Preliminary Information
45 / 137



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