MCP14E8-E/P Microchip Technology, MCP14E8-E/P Datasheet - Page 15

• Manufacturer Part Number: MCP14E8-E/P
• Description: 3A MOSFET Driver 8 PDIP .300in TUBE
• Manufacturer: Microchip Technology

Specifications of MCP14E8-E/P

• Leaded Process Compatible: Yes
• Rohs Compliant: Yes
• Peak Reflow Compatible (260 C): Yes
• Module Configuration: Low Side
• Peak Output Current: 2A
• Output Resistance: 5ohm
• Input Delay: 45ns
• Output Delay: 45ns
• Supply Voltage Range: 4.5V To 18V
• Driver Case Style: DIP
• No. Of Pins: 8

4.6.2
The power dissipation associated with the quiescent
current draw depends upon the state of the input pin.
The MCP14E6/7/8 devices have a quiescent current
draw with a Logic '1' on the input pin of 1 mA (typical)
and 300 µA (typical) with a Logic '0'. The quiescent
power dissipation is:
EQUATION 4-3:
© 2011 Microchip Technology Inc.
Where:
P
Q
V
I
I
=
QH
DD
QL
D = Duty Cycle
(
QUIESCENT POWER DISSIPATION
I
= Quiescent Current in the High State
= Quiescent Current in the Low State
= MOSFET Driver Supply Voltage
QH
×
D
+
I
QL
×
(
1 D
–
)
) V
×
DD
4.6.3
The operating power dissipation occurs each time the
MOSFET driver output transitions, because for a very
short period of time, both MOSFETs in the output stage
are ON, simultaneously. This cross-conduction current
leads to a power dissipation described as:
EQUATION 4-4:
Where:
V
CC = Cross-Conduction Constant (A * sec)
DD
f = Switching Frequency
OPERATING POWER DISSIPATION
= MOSFET Driver Supply Voltage
P
CC
MCP14E6/7/8
=
CC f
×
×
V
DS25006A-page 15
DD