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BUK207-50X Datasheet(PDF) 4 Page - NXP Semiconductors

No. de pieza BUK207-50X
Descripción Electrónicos  TOPFET high side switch SMD version of BUK203-50X
Download  13 Pages
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Fabricante Electrónico  PHILIPS [NXP Semiconductors]
Página de inicio  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

BUK207-50X Datasheet(HTML) 4 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
TOPFET high side switch
BUK207-50X
SMD version of BUK203-50X
PROTECTION FUNCTIONS AND STATUS INDICATIONS
Truth table for normal, open-circuit load and overload conditions and abnormal supply voltages.
FUNCTIONS
TRUTH TABLE
THRESHOLD
SYMBOL
CONDITION
INPUT
STATUS
OUTPUT
MIN.
TYP.
MAX.
UNIT
Normal on-state
1
1
1
Normal off-state
0
1
0
I
L(OC)
Open circuit load
1
1
0
1
30
90
150
mA
Open circuit load
0
1
0
T
j(TO)
Over temperature
2
1
0
0
150
175
-
˚C
Over temperature
3
00
0
V
BL(TO)
Short circuit load
4
1
0
0
9
10.5
12
V
Short circuit load
0
1
0
V
BG(TO)
Low supply voltage
5
X1
0
3
4
5
V
V
BG(LP)
High supply voltage
6
X1
0
40
45
50
V
For input ‘0’ equals low, ‘1’ equals high, ‘X’ equals don’t care.
For status ‘0’ equals low, ‘1’ equals open or high.
For output switch ‘0’ equals off, ‘1’ equals on.
STATUS CHARACTERISTICS
T
mb = 25 ˚C.
The status output is an open drain transistor, and requires an external pull-up circuit to indicate a logic high.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
SG
Status clamping voltage
I
S = 100 µA6
7
8
V
V
SG
Status low voltage
I
S = 50 µA; VBG = 13 V
-
0.7
0.8
V
I
S
Status leakage current
V
SG = 5 V
-
0.1
1
µA
I
S
Status saturation current
7
V
SS = 5 V; RS = 0 Ω; VBG = 13 V
-
9
-
mA
Application information
R
S
External pull-up resistor
8
V
SS = 5 V
-
100
-
k
1 In the on-state, the switch detects whether the load current is less than the quoted open load threshold current. This is for status indication
only. Typical hysteresis equals 25 mA. The thresholds are specified for supply voltage within the normal working range.
2 After cooling below the reset temperature the switch will resume normal operation. The reset temperature is lower than the trip temperature by
typically 10 ˚C.
3 If the overtemperature protection has operated, status remains low to indicate the overtemperature condition even if the input is taken low,
providing the device has not cooled below the reset temperature.
4 After short circuit protection has operated, the input voltage must be toggled low for the switch to resume normal operation.
5 Undervoltage sensor causes the device to switch off. Typical hysteresis equals 0.5 V.
6 Overvoltage sensor causes the device to switch off to protect the load. Typical hysteresis equals 1.1 V.
7 In a fault condition with the pull-up resistor short circuited while the status transistor is conducting.
8 The pull-up resistor also protects the status pin during reverse battery conditions.
July 1996
4
Rev 1.000


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