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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 4/45頁 |
| 文件大小： | 593K |
| 代理商： | TLE8201R |
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TLE 8201R
Data Sheet Rev. 2.0
12
2006-06-07
4.2.2
Temperature Monitoring
Temperature sensors are integrated in the power stages. The temperature monitoring
circuit compares the measured temperature to the warning and shutdown thresholds. If
one or more temperature sensors reach the warning temperature, the temperature
warning bit TW is set to HIGH. This bit is not latched (i.e. if the temperature falls below
the warning threshold (with hysteresis), the TW bit is reset to LOW again).
If one or more temperature sensors reach the shut-down temperature, the outputs are
shut down as described in the next paragraph and the temperature shut-down bit TSD
is set to HIGH. The shutdown is latched (i.e. the output stages remain off and the TSD
bit set high until a SRR command is sent or a power-on reset is performed).
The power-stages are subdivided into two groups for over-temperature shut-down:
Group1: OUT 1, OUT 2 and OUT 3
Group2: OUT 4 to 11
If one or more temperature sensors within a group reaches the shutdown threshold, all
outputs within the group are switched off, while the other outputs continue normal
operation.
4.2.2.1
Characteristics Temperature 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.
4.2.7
Thermal warning junction
temperature1)
1) Not subject to production test, specified by design
T
jW
120
145
170
°C–
4.2.8
Temperature warning
hysteresis1)
T
–30
–
K
–
4.2.9
Thermal shutdown junction
temperature1)
T
jSD
150
175
200
°C–
4.2.10 Thermal switch-on junction
temperature1)
T
jSO
120
–
170
°C–
4.2.11 Temperature shutdown
hysteresis1)
T
–30
–
K
–
4.2.12 Ratio of SD to W temperature1)
T
jSD /
T
jW
1.05
1.20
–
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