TLE7230R datasheet(5/14 Pages) INFINEON

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Data Sheet TLE 7230 R

V2.0

Page

2005-10-05

Electrical Characteristics cont.

Parameter and Conditions

Symbol

Values

Unit

VS = 4.5 to 5.5 V; VVDO = 3.0 to 5.5V;

Tj = - 40 °C to + 150 °C ; Reset = H

(unless otherwise specified)

min

typ

max

5. Diagnostic Functions

Open Load Detection Voltage

VDS(OL)

VS -2.5 VS -2

VS -1.3

Output Pull Down Current

IPD(OL)

150

µA

Fault Delay Time

td(fault)

100

200

µs

Overload switch off delay time

Td(off)

µs

Short to Ground Detection Voltage

VDS(SHG)

VS -3.4 VS -3.0 VS -2.6 V

Short to Ground Detection Current

ISHG

-50

-100

-150

µA

Overload Threshold Current

ID(OVL) 1...8

Overtemperature Shutdown Threshold

2,4

Hysteresis

Tth(sd)

Thys

170

200

°C

6. SPI-Timing (for VVDO = 4.5V to 5.5V)

Serial Clock Frequency (depending on SO load)

SCK

MHz

Serial Clock Period (1/fclk)

p(SCK)

200

Serial Clock High Time

SCKH

Serial Clock Low Time

SCKL

Enable Lead Time (falling edge of CS to rising edge of CLK) t

lead

250

Enable Lag Time (falling edge of CLK to rising edge ofCS)

lag

250

---

Data Setup Time (required time SI to falling of CLK)

Data Hold Time (falling edge of CLK to SI)

Disable Time

tDIS

150

Transfer Delay Time

(CS high time between two accesses)

tdt

200

Data Valid Time (for VVDO = 4.5V to 5.5V)

CL = 50 pF

CL = 100 pF

CL = 220 pF

tvalid

100

120

150

Data Valid Time (for VVDO = 3.0V to 3.6V)

CL = 50 pF

CL = 100 pF

CL = 220 pF

tvalid

100

140

240

2 This parameter is not subject to production test. Specified by design.

3 This time is necessary between two write accesses. To get the correct diagnostic information, the transfer delay

time has to be extended to the maximum fault delay time td(fault)max = 200µs.

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