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UPD166019T1F Folha de dados(PDF) 6 Page - Renesas Technology Corp

Nome de Peças UPD166019T1F
Descrição Electrónicos  Single P-Channel High-Side Intelligent Power Device
PDF  18 Pages
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Fabricante Electrônico  RENESAS [Renesas Technology Corp]
Página de início  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

UPD166019T1F Folha de dados(HTML) 6 Page - Renesas Technology Corp

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PD166019T1F
Preliminary
R07DS0730EJ0100 Rev.1.00
Page 6 of 16
Apr 25, 2012
Avalanche Operation at Inductive Load Switch Off
The output MOS, Pch MOSFET is in avalanche when the inductive load is switched off. When the over-voltage is
applied to VCC, the output MOS, Pch MOSFET also works in avalanche operation.
Adjustable Switching Characteristics by External Resistor
Switching characteristics is adjustable by the value of input resistance as following.
tdon, tr, tdoff, tf - RIN
tdon
tr
tdoff
tf
0
200
400
600
800
0
20406080
100
RIN [kΩ]
[
μs]
[
μs]
[
μs]
tdon, tr, tdoff, tf - Tch (RIN = 10 kΩ)
tr
tdoff
tf
0
50
100
150
–50
0
50
100
150
Channel Temperature [°C]
–50
0
50
100
150
Channel Temperature [°C]
tdon, tr, tdoff, tf - Tch (RIN = 51 kΩ)
tr
tdoff
tf
0
200
400
IN
OUT
100
Ω
GND
Gate switch:
Normally ON
VCC
RINoff
Logic
RINon
tdon
tdon
Diagnosis Output via IN Pin
The IOL current starts flawing via IN pin, if the shut down occurred by the protection of short circuit or over temperature.
In this condition, internal gate switch is turned-off and the IOL current switch is turned-on. This diagnosis signals is
detectable by external circuit, resistor and comparator.
100
Ω
RINon
RDIAG
IOL
Off SW
Logic
Gate switch: OFF
0
ON
Shutdown
OFF
OFF
VCC
VIN
RDIAG × IOL
RIN = RDIAG + RINon
VOUT
t
IN
OUT
VCC



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