HCPL-5151 datasheet(16/16 Pages) HP

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Data subject to change.

2004 Agilent Technologies, Inc.

June 23, 2004

5989-0943EN

Under Voltage Lockout Feature.

The HCPL-5150 contains an under

voltage lockout (UVLO) feature that

is designed to protect the IGBT under

fault conditions which cause the

HCPL-5150 supply voltage

(equivalent to the fully-charged IGBT

gate voltage) to drop below a level

necessary to keep the IGBT in a low

resistance state. When the HCPL-

5150 output is in the high state and the

supply voltage drops below the

HCPL-5150 VUVLO– threshold

(9.5 < VUVLO– < 12.0) the

optocoupler output will go into the

low state with a typical delay, UVLO

Turn Off Delay, of 0.6

µs.

When the HCPL-5150 output is in the

low state and the supply voltage rises

above the HCPL-5150 VUVLO+

threshold (11.0 < VUVLO+ < 13.5) the

optocoupler output will go into the

high state (assuming LED is “ON”)

with a typical delay, UVLO Turn On

Delay of 0.8

µs.

Figure 37. Under Voltage Lock Out

MIL-PRF-38534 Class H and DSCC

SMD Test Program

Agilent Technologies’ Hi- Rel

Optocouplers are in compliance

with MIL- PRF- 38534 Class H.

Class H devices are also in

compliance with DSCC drawing

5962- 04205.

Testing consists of 100%

screening and quality

conformance inspection to MIL-

PRF- 38534.

(VCC - VEE) - SUPPLY VOLTAGE - V

(12.3, 10.8)

(10.7, 9.2)

(10.7, 0.1)

(12.3, 0.1)

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