HCPL-5151-300 データシートの表示（PDF） - Broadcom Corporation
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HCPL-5151-300 Datasheet PDF : 18 Pages
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HCPL-5150 and HCPL-5151,
DLA SMD 5962-04205
Figure 35 Input Thermal Derating Curve, Dependence of
Case-to-Ambient Thermal Resistance
50
40
30
20
case-to-ambient thermal resistance
10
= 70 oC/W
= 140 oC/W
= 210 oC/W
0
-55 -25 5
35 65
95 125
TA - AMBIENT TEMPERATURE - oC
Figure 36 Output Thermal Derating Curve, Dependence of
Case-to-Ambient Thermal Resistance
300
250
200
150
100 case-to-ambient thermal resistance
= 70 oC/W
= 140 oC/W
50
= 210 oC/W
0
-55 -25 5 35 65 95 125
TA - AMBIENT TEMPERATURE - oC
Data Sheet
Undervoltage Lockout Feature
The HCPL-515x contains an undervoltage lockout (UVLO)
feature that is designed to protect the IGBT under fault
conditions which cause the HCPL-515x 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-515x output is in the high state and the
supply voltage drops below the HCPL-515x VUVLO– threshold
(9.5 < VUVLO– < 12.0), the optocoupler output goes into the low
state with a typical delay, UVLO Turn Off Delay, of 0.6 μs.
When the HCPL-515x output is in the low state and the supply
voltage rises above the HCPL-515x VUVLO+ threshold (11.0 <
VUVLO+ < 13.5) the optocoupler output goes into the high state
(assuming LED is ON) with a typical delay, UVLO Turn On Delay
of 0.8 μs.
Figure 37 Undervoltage Lock Out
14
12
(12.3, 10.8)
10
(10.7, 9.2)
8
6
4
2
0
(10.7, 0.1)
(12.3, 0.1)
0
5
10
15
20
(VCC - VEE) - SUPPLY VOLTAGE - V
Broadcom
- 17 -
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