VNF1048F datasheet(6/52 Pages) STMICROELECTRONICS

6 / 52 page

2.3

Main electrical characteristics

6 V < VS < 60 V; -40 °C < TJ < 150 °C, unless otherwise specified.

All typical values refer to VS = 48 V; TJ = 25 °C, unless otherwise specified.

Table 4. Supply specification

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

1.1

Operating supply voltage

1.2

VS_EXT

Extended operating supply voltage

100 ms max duration

1.3

VS_USD

Under voltage shutdown

4.5

1.4

VS_USD_RES Under voltage shutdown reset

1.5

VS_USD_HYS Under voltage shutdown hysteresis

0.1

1.6

tVS_USD

Under voltage shutdown filtering

time.

µs

1.7

VSPI

SPI I/Os supply voltage

3.0

5.5

1.8

ISPI

SPI supply current during frame

communication

1.9

ISPI_STBY

SPI supply current in standby state

µA

1.10

IS(ON)

Supply current (includes logic)

fPWM = 1 Hz, QG = 250 nC, VS= 48 V,

OUT = VS(1)

fPWM = 1 Hz, QG = 250 nC, VS= 48 V,

OUT = VS

1.11

IOUT

Output current

VS = 48 V, Stand-by mode,

OUT = GND, Bypass switch OFF

250

μA

VS = 13 V, Stand-by mode

OUT = GND, Bypass switch OFF

μA

VS = 48 V, Unlocked mode

OUT=GND, Bypass switch OFF

1.3

VS = 13 V, Unlocked mode

OUT=GND, Bypass switch OFF

1.15

1.12

IS_Q

Vs quiescent current (includes logic)

– independently from bypass switch

condition

VS = 48 V, TJ = 25 °C, OUT = VS

µA

VS = 48 V, TJ = 25 °C, OUT = GND

310

µA

VS = 13 V, TJ = 25 °C, OUT = VS

µA

VS = 13 V, TJ = 25 °C, OUT = GND

130

µA

1.13

VS_POR_ON

Power-on reset threshold. Device

leaves the Reset mode

2.5

1.14 VS_POR_OFF

Power-on shutdown threshold.

Device enters Reset mode

2.3

1.15 VS_POR_HYST Power-on reset hysteresis

0.2

1.16

tPWON

Time from Power-on to stand-by

VS>VS_POR_ON

V3V3 external capacitor 1 μF

500

μs

1. Measured in test mode with the charge pump off.

VNF1048F

Main electrical characteristics

DS13084 - Rev 6

page 6/52

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