S32K310 datasheet(45/143 Pages) NXP

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6.5 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.

Table 13. V15 regulator (BJT option, NPN ballast transistor control) electrical specifications

Symbol

Description

Min

Typ

Max

Unit

Condition

Spec

Number

V15

V15 output

—

1.51

—

V15

V15 input

—

1.5

—

IBCTL

IBCTL (V15 reg)

source

—

IBCTL

IBCTL (V15 reg) sink —

—

-50

—

tsettle_lm

Required setting

time from activating

last mile regulator to

load change

—

VDD_HV_NPN

Input voltage supply

for NPN external

ballast transistor

2.5

3.3 or 5

—

COUT_V15_NPN

Q_V15_NPN

RBTC15

V15

BJT option

External NPN

Ballast transistor

VDD_HV_NPN

V15

PTE13 | VRC_CTRL

2.2k

2.2uF

High-current

Logic supply (1.5V)

IBCTL

Figure 29. Ballast circuit

6.6 V11 regulator (NMOS ballast transistor control) electrical specifications

The chip hardware design guidelines document lists the recommended part number for NMOS. The S32K388 supports a linear

regulator stage for the V11 supply, with a dedicated pin to control an external NMOS transistor.

NXP Semiconductors

Power management

S32K3xx Data Sheet, Rev. 9.1, 03/2024

Data Sheet: Technical Data

Preliminary Information for S32K388

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