參數(shù)資料
型號(hào): TLE7368G
廠商: INFINEON TECHNOLOGIES AG
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO36
封裝: PLASTIC, SOP-36
文件頁數(shù): 14/39頁
文件大?。?/td> 932K
代理商: TLE7368G
Data Sheet
21
Rev. 1.1, 2007-11-08
TLE7368
General Product Characteristics
Window Watchdog
4.4.122
H-input voltage
threshold
V
WDI, high
––
2.0
V
4.4.123
L-input voltage
threshold
V
WDI, low
0.8
V
4.4.124
WDI pull-up resistor
R
WDI
60
100
140
k
connected to Q_LDO2
4.4.125
Watchdog cycle time
T
WD
–2
Tcycle
4.4.126
Window duration (OW,
CW, FW)
t
WD, W
512
TWD
4.4.127
Window duration (IW)
t
WD, IW
–32
TWD
4.4.128
Window watchdog
initialization time
t
WD, start
–32
TWD
Watchdog will start/initialized if
WDI is kept low for this period
and RO_2 is released
4.4.129
Watchdog output low
voltage
V
WDO,low
––
0.4
V
I
WDO = 2 mA
4.4.130
Watchdog output
leakage current
I
WDO,leak
––
1
A
WDO state = High
Thermal Shutdown
4.4.131
Overtemperature
shutdown
T
j, shtdwn
160
175
190
°C
1) 8)
4.4.132
Overtemperature
shutdown hysteresis
T
15
30
K
1) Specified by design, not subject to production test.
2) Tested according to measurement circuit 1.
3)
V
CCP supplied externally with a voltage according to the actual value of VCCP measurement.
4)
V
dr, Q_LDO1 = VFB/L_IN - VQ_LDO1; Vdr, Q_LDO2 = VIN_LDO2 - VQ_LDO2; Vdr, T<1, 2> = VFB/L_IN - VQ_T<1, 2>
5) Minimum value given is needed for regulator stability; application might need higher capacitance than the minimum.
6) Measured when
V
Q_LDO2 has dropped 100 mV from its nominal value obtained at VIN_LDO2 = 5.4 V.
7) External power transistor type: Fairchild KSH200.
8) Permanent operation of the device above 150
°C degrades lifetime; please refer to quality information.
Electrical Characteristics (cont’d)
V
IN = VIN_STBY = 13.5 V, Tj = -40 °C to +150 °C,
V
CCP = 9.0 V; SEL_STBY = Q_STBY; all voltages with respect to ground.
Pos.
Parameter
Symbol
Limit Values
Unit
Conditions
Min.
Typ.
Max.
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