參數(shù)資料
型號(hào)： TLE8201R
廠商： INFINEON TECHNOLOGIES AG
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDSO36
封裝： PLASTIC, SOP-36
文件頁(yè)數(shù)： 3/45頁(yè)
文件大?。?/td> 593K
代理商： TLE8201R
TLE 8201R
Data Sheet Rev. 2.0
11
2006-06-07
4.2
Monitoring Functions
4.2.1
Power Supply Monitoring
The power supply Voltage
V
S is monitored for over- and under voltage.
Under Voltage
If the supply voltage
V
S drops below the switch off voltage VUV OFF, all output
transistors are switched off and the power supply fail bit PSF is set. The error is not
latched, i.e. if
V
S rises again and reaches the switch on voltage VUV ON, the power
stages are restarted and the error bit is reset.
Over Voltage
If the supply voltage
V
S rises above the switch off voltage VOV OFF, all output
transistors are switched off and the power supply fail bit (bit 7 of the SPI diagnosis
word) is set. The error is not latched, i.e. if
V
S falls again and reaches the switch on
voltage
V
OV ON, the power stages are restarted and the error is reset.
4.2.1.1
Characteristics Power Supply Monitoring
Electrical Characteristics
8 V <
V
S < 20 V; 4.75 V < VCC < 5.25 V; INH = High; all outputs open;
-40
°C < T
j < 150 °C; unless otherwise specified
Pos. Parameter
Sym-
bol
Limit Values
Unit Conditions
min.
typ.
max.
4.2.1
UV-Switch-ON voltage
V
UVON
––
5.2
V
V
S increasing
4.2.2
UV-Switch-OFF voltage
V
UVOFF
4.0
–
5.0
V
V
S decreasing
4.2.3
UV-ON/OFF-Hysteresis
V
UVHY
–0.25
–
V
V
UVON - VUVOFF
4.2.4
OV-Switch-OFF voltage
V
OVOF
F
21
–
25
V
V
S increasing
4.2.5
OV-Switch-ON voltage
V
OVON
20
–
24
V
V
S decreasing
4.2.6
OV-ON/OFF-Hysteresis
V
OVHY
0.5
1–V
V
OVOFF -
V
OVON
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