SPI Driver for Enhanced Relay Control

TLE7238SL

Power Supply

Data Sheet

15

Rev. 1.0, 2010-02-18

5.4

Electrical Characteristics

Note: Characteristics show the deviation of parameter at the given supply voltage and junction temperature.

Typical values show the typical parameters expected at

V

Unless otherwise specified:

V

Pos. Parameter

Symbol

Limit Values

Unit Test Conditions

min. typ.

max.

Power Supply

V

bb

5.4.1 Supply Voltage Range for

Nominal Operation

V

bb(nom)

916

V

–

5.4.2 upper Supply Voltage Range for

Extended Operation

V

bb(ext),up

16

28

V

Parameter Deviations possible

5.4.3 lower Supply Voltage Range for

Extended Operation

V

bb(ext),low

5.5

9

V

R

V

Parameter Deviations possible

5.4.4 Under voltage reset threshold

V

bb(UV)

––5.5

V

V

5.4.5 Operating current drawn from

V

bb

I

S(ON)

––15

mA

––12

mA

V

all diagnosis off

5.4.6 Sleep mode operating current with

disconnected loads (stand by)

I

S(Sleep)

––10

µA

V

V

T

1)

1) Not subject to production test, specified by design.

––13

T

1)

––20

T

Digital Power Supply

V

DD

5.4.7 Logic supply voltage

V

DD

3.0

–

5.5

V

5.4.8 Under voltage reset threshold

V

DD(PO)

––3.0

V

5.4.9 Logic supply current

I

DD(ON)

––0.4

mA

f

AWK

= 1

V

5.4.10 Logic supply current during VBB

dropout

I

DD(DO)

–35mA

V

AWK

= 1

V

5.4.11 Logic supply sleep mode current

I

DD(Sleep)

––20

µA

V

AWK

= 0

T

1)

––20

T

1)

––40

T

Timings

5.4.12 Sleep mode wake-up time

t

wu(Sleep)

–

–

200

µs

1)

5.4.13

V

t

bb(UVR)

––1

µs

1)

5.4.14

V

––1

µs

1)