HCPL-3020-060 Avago Technologies US Inc., HCPL-3020-060 Datasheet - Page 12

• Manufacturer Part Number: HCPL-3020-060
• Description: OPTOCOUPLER 1CH 0.4A VDE 8-DIP
• Manufacturer: Avago Technologies US Inc.

Specifications of HCPL-3020-060

• Output Type: Push-Pull, Totem-Pole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Voltage - Isolation: 3750Vrms
• Number Of Channels: 1, Unidirectional
• Current - Output / Channel: 400mA
• Propagation Delay High - Low @ If: 200ns @ 7mA
• Current - Dc Forward (if): 20mA
• Input Type: DC
• Mounting Type: Through Hole
• Configuration: 1 Channel
• Isolation Voltage: 3750 Vrms
• Maximum Propagation Delay Time: 700 ns
• Maximum Forward Diode Voltage: 1.8 V
• Minimum Forward Diode Voltage: 1.2 V
• Maximum Reverse Diode Voltage: 5 V
• Maximum Forward Diode Current: 12 mA
• Maximum Power Dissipation: 250 mW
• Maximum Operating Temperature: + 100 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Selecting the Gate Resistor (R
Step 1: Calculate R
simple RC circuit with a voltage supplied by the HCPL-3020.
The V
Step 2: Check the HCPL-3020 power dissipation and increase R
(P
where K
in Figure 17 with I
85°C:
The value of 3 mA for I
Since P
Figure 18. Energy dissipated in the HCPL-3020 and HCPL-0302
and for each IGBT switching cycle.
12
T
) is equal to the sum of the emitter power (P
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
OL
0
O
ICC
value of 1 V in the previous equation is the V
R
P
P
P
= (I
P
P
for this case is less than P
g
T
E
O
E
O
20
Rg – GATE RESISTANCE – Ω
• Q
= P
= I
= 10 mA • 1.8 V • 0.8 = 14 mW
= 126 mW < 250 mW (P
= P
CCBIAS
= [3 mA + (0.001 mA/nC • kHz) • 20 kHz • 100 nC] • 24 V + 0.3mJ • 20 kHz
F
g
E
O(BIAS)
• V
• f is the increase in I
+ P
40
≤
=
=
F
F
+ K
g
• Duty Cycle
(worst case) = 10 mA, R
O
minimum from the I
ICC
+ P
CC
60
Qg = 50 nC
Qg = 100 nC
Qg = 200 nC
Qg = 400 nC
• Q
O(SWITCHING)
in the previous equation is the max. I
V
I
24 - 1
0.4
57.5 Ω
OLPEAK
CC
g
80
• f ) • V
– V
g
) for HCPL-3020
OL
100
O(MAX)
CC
O(MAX)
CC
= I
+ E
due to switching and K
CC
, R
OL
SW
) @ 85°C
• V
g
g
peak specification. The IGBT and R
(R
= 57.5 Ω, Max Duty Cycle = 80%, Q
= 57.5 Ω is alright for the power dissipation.
CC
g
E
;Q
+ E
) and the output power (P
g
) • f
SW
OL
(R
at the peak current of 0.4 A. (See Figure 4).
g
;Q
g
) • f
ICC
CC
g
if necessary. The HCPL-3020 total power dissipation
over entire operating temperature range.
is a constant of 0.001 mA/(nC*kHz). For the circuit
O
).
g
g
in Figure 17 can be analyzed as a
= 100 nC, f = 20 kHz and T
AMAX
=