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MCP2021 データシート(PDF) 28 Page - Microchip Technology

部品番号 MCP2021
部品情報  LIN Transceiver with Voltage Regulator
PDF  52 Pages
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メーカー  MICROCHIP [Microchip Technology]
ホームページ  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP2021 データシート(HTML) 28 Page - Microchip Technology

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MCP2021/2/1P/2P
DS22018F-page 28
© 2005-2012 Microchip Technology Inc.
2.4
Thermal Specifications
Voltage Regulator
Bus Activity Debounce Time
tBDB
5
10
20
µs
Bus debounce time
Bus Activity to Voltage
Regulator Enabled
tBACTVE
100
250
500
µs
After bus debounce time
Voltage Regulator Enabled
to Ready
tVEVR
—
—
1200
µs
(Note 1)
Chip Select to Operation
Ready
tCSOR
—
—
500
µs
(Note 1)
Chip Select to Power-Down
tCSPD
——
80
µs
Short-Circuit to Shut-Down
tSHUTDOWN
20
—
100
µs
RESET Timing
VREG OK Detect to RESET
Inactive
tRPU
——
10.0
µs
VREG OK Detect to RESET
Active
tRPD
——
10.0
µs
Note 1:
Time depends on external capacitance and load.
THERMAL CHARACTERISTICS
Parameter
Symbol
Typ
Max
Units
Test Conditions
Recovery Temperature
θRECOVERY
+140
—
°C
Shutdown Temperature
θSHUTDOWN
+150
—
°C
Short Circuit Recovery Time
tTHERM
1.5
5.0
ms
Thermal Package Resistances
Thermal Resistance, 8L-DFN
θJA
35.7
—
°C/W
Thermal Resistance, 8L-PDIP
θJA
89.3
—
°C/W
Thermal Resistance, 8L-SOIC
θJA
149.5
—
°C/W
Thermal Resistance, 14L-PDIP
θJA
70
—
°C/W
Thermal Resistance, 14L-SOIC
θJA
95.3
—
°C/W
Thermal Resistance, 14L-TSSOP
θJA
100
—
°C/W
Note 1:
The maximum power dissipation is a function of TJMAX,
ΘJA and ambient temperature T
A. The maximum
allowable power dissipation at an ambient temperature is PD = (TJMAX - TA)
ΘJA. If this dissipation is
exceeded, the die temperature will rise above 150
°C and the MCP2021 will go into thermal shutdown.
2.3
AC Specification (Continued)
AC CHARACTERISTICS
VBB = 6.0V to 18.0V; TA = -40°C to +125°C
Parameter
Sym
Min.
Typ.
Max.
Units
Test Conditions



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