HCPL-5120 Datasheet, PDF (16/16 Pages) Agilent(Hewlett-Packard) – 2.0 Amp Output Current IGBT Gate Drive Optocoupler

Under Voltage Lockout Feature.
7
14
The HCPL-5120 contains an under
voltage lockout (UVLO) feature that
12
is designed to protect the IGBT under
10
(12.3, 10.8)
fault conditions which cause the
(10.7, 9.2)
HCPL-5120 supply voltage
8
(equivalent to the fully-charged IGBT
6
gate voltage) to drop below a level
4
necessary to keep the IGBT in a low
resistance state. When the HCPL-
2
5120 output is in the high state and the
0
(10.7, 0.1)
(12.3, 0.1)
supply voltage drops below the
0
5
10
15
20
HCPL-5120 V_UVLO– threshold (9.5 <
(VCC - VEE) - SUPPLY VOLTAGE - V
V_UVLO– < 12.0) the optocoupler
Figure 37. Under Voltage Lock Out
output will go into the low state with a
typical delay, UVLO Turn Off Delay,
of 0.6 µs.
When the HCPL-5120 output is in the
low state and the supply voltage rises
above the HCPL-5120 V_UVLO+
threshold (11.0 < V_UVLO+ < 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.
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- 04204.
Testing consists of 100%
screening and quality
conformance inspection to MIL-
PRF- 38534.
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Data subject to change.
Copyright2004 Agilent Technologies, Inc.
June 28, 2004
5989-0942EN