MFS2301BMBACEP datasheet(32/230 Pages) NXP

32 / 230 page

NXP Semiconductors

FS23

Safety system basis chip (SBC) with power management, CAN FD and LIN transceivers

12.9.2 BOS electrical characteristics

TA = –40 °C to 125 °C, unless otherwise specified. VSUP = 4 V to 40 V, unless otherwise specified. All voltages referenced to ground.

Symbol

Parameter

Min

Typ

Max

Unit

Static electrical characteristics

VBOS_HP

Best of supply high-power output voltage

3.4

4.7

5.2

VBOS_LP

Best of supply low-power output voltage

3.4

4.3

5.2

VBOS_UV

VBOS undervoltage threshold

2.95

3.04

3.13

VBOS_POR

VBOS power on reset threshold

2.45

2.6

2.7

VBOS_HP_DROP

Maximum VBOS_HP dropout voltage

(VSUP = 4 V, IBOS = 5 mA, VBOS = 3.3 V)

650

VBOS_SW_V1

VBOS to V1 switch dropout voltage

(V1 = 3.3 V, IBOS = 5 mA)

IBOS_HP_LIM

Best of supply high-power current limitation

IBOS_LP_LIM

Best of supply low-power current limitation

Dynamic electrical characteristics

TBOS_UV

VBOS_UVH and VBOS_UVL filtering time

μs

TBOS_POR

VBOS_POR filtering time

0.13

1.00

3.10

μs

TBOS_START

VBOS low-power starting time

(VSUP = 5.2V, COUT_BOS = 1 µF, VBOS = 2.6V)

500

μs

External components

COUT_BOS

Effective output capacitor

µF

Table 12. Best of supply electrical characteristics

FS23

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Product data sheet

Rev. 7.0 — 16 October 2024

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