BUK217-50YT NXP Semiconductors, BUK217-50YT Datasheet - Page 5

• Manufacturer Part Number: BUK217-50YT
• Description: TOPFET high side switch SMD version
• Manufacturer: NXP Semiconductors

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Philips Semiconductors
UNDERVOLTAGE & OVERVOLTAGE CHARACTERISTICS
Limits are at -40˚C
TRUTH TABLE
KEY TO ABBREVIATIONS
1 Undervoltage sensor causes the device to switch off and reset.
2 Overvoltage sensor causes the device to switch off to protect its load.
September 2001
TOPFET high side switch
SMD version
SYMBOL PARAMETER
V
V
INPUT
BG(UV)
V
BG(OV)
V
BG(UV)
BG(OV)
H
H
H
H
H
L
H
X
L
0
1
Undervoltage
Low supply threshold voltage
Hysteresis
Overvoltage
High supply threshold voltage
Hysteresis
UV
X
0
1
0
0
0
SUPPLY
logic low
logic high
don’t care
condition not present
condition present
ABNORMAL CONDITIONS
T
mb
OV
X
0
0
1
0
0
DETECTED
150˚C and typicals at T
LC
X
X
X
X
X
0
LOAD
SC
X
X
X
0
0
1
1
2
OT
CONDITIONS
X
0
X
0
0
1
mb
OV overvoltage
UV undervoltage
SC short circuit
OT overtemperature
LC low current or open circuit load
= 25 ˚C. Refer to
OUTPUT
LOAD
OFF
OFF
OFF
OFF
ON
ON
5
STATUS
TRUTH TABLE
H
H
H
H
L
L
off
on & normal (LC not detected!)
supply undervoltage lockout
supply overvoltage shutdown
SC detected (without trip)
OT shutdown
.
MIN.
40
2
-
-
DESCRIPTION
TYP.
4.2
0.5
45
BUK217-50YT
1
Product specification
MAX.
5.5
50
-
-
Rev 1.300
UNIT
V
V
V
V