参数资料
型号: MCP14E7T-E/MF
厂商: Microchip Technology
文件页数: 15/30页
文件大小: 0K
描述: IC MOSFET DRIVER 2A 8DFN-S
标准包装: 3,300
配置: 低端
输入类型: 非反相
延迟时间: 45ns
电流 - 峰: 2A
配置数: 2
输出数: 2
电源电压: 4.5 V ~ 18 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-VDFN 裸露焊盘
供应商设备封装: 8-DFN-S(6x5)
包装: 带卷 (TR)
MCP14E6/7/8
4.6.2
QUIESCENT POWER DISSIPATION
4.6.3
OPERATING POWER DISSIPATION
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
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:
power dissipation is:
EQUATION 4-4:
EQUATION 4-3:
P Q = ( I QH × D + I QL × ( 1 – D ) ) × V DD
Where:
I QH = Quiescent Current in the High State
D = Duty Cycle
I QL = Quiescent Current in the Low State
V DD = MOSFET Driver Supply Voltage
? 2011 Microchip Technology Inc.
Where:
CC =
f =
V DD =
P CC = CC × f × V DD
Cross-Conduction Constant (A * sec)
Switching Frequency
MOSFET Driver Supply Voltage
DS25006A-page 15
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