MC33291LDWR2 datasheet(10/26 Pages) FREESCALE

Part #	MC33291LDWR2

Description	Eight-Output Switch with Serial Peripheral Interface I/O

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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Analog Integrated Circuit Device Data

10

Freescale Semiconductor

33291L

ELECTRICAL CHARACTERISTICS

ELECTRICAL PERFORMANCE CURVES

Figure 8. Switching Time Test Circuit

Figure 9. Output Fault Unlatch Disable

Delay Test Circuit

Figure 10. Turn-On/-Off Waveforms

Figure 11. Output Fault Unlatch Disable

Delay Waveforms

CL represents the total capacitance of the test fixture and probe.

CS

Output

CL

33291L

Under

Test

VDD = 5.0 V

VPWR = 14 V

RL = 26 Ω

CS

Output

CL = 20 pF

33291L

Under

Test

VDD = 5.0 V

VPWR = 11 V

CL represents the total capacitance of the test fixture and probe.

ΙL = 2.0 Α

(Ουτπυτ ΟΝ)

90%

50%

10%

90%

10%

tDLY(OFF)

tDLY(ON)

CS

Output Voltage

tR(SI)

< 50 ns

tF(SI)

5.0 V

0

14 V

VOL

14 V

1. tDLY(ON) and TDLY(OFF) are turn-ON and turn-OFF propagation delay

times.

2. Turn-OFF is an output programmed from an ON to an OFF state.

3. Turn-ON is an output programmed from and OFF to an ON state.

Waveform 2

Waveform 1

90%

50%

10%

< 50 ns

tPDLY(OFF)

tR(SI)

tF(SI)

CS

Output Voltage

Output Current

5.0 V

0

VOFF = 11 V

IO(CL)

VON = 5.0 V

0

1. tPDLY(OFF) is the output fault unlatch disable propagation delay time re-

quired to correctly report an output fault after CS rises. It represents an

output commanded ON while having an existing output short (overcurrent)

to supply.

2. The SFPD pin < 0.2 V.

Waveform

50%

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MC33291LDWR2 Datasheet(PDF) 10 Page - Freescale Semiconductor, Inc

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