BUK205-50X Philips Semiconductors, BUK205-50X Datasheet

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BUK205-50X

Manufacturer Part Number
BUK205-50X
Description
TOPFET high side switch SMD version of BUK201-50X
Manufacturer
Philips Semiconductors
Datasheet
Philips Semiconductors
DESCRIPTION
Monolithic temperature and
overload protected power switch
based on MOSFET technology in a
5 pin plastic surface mount
envelope, configured as a single
high side switch.
APPLICATIONS
General controller for driving
lamps, motors, solenoids, heaters.
FEATURES
PINNING - SOT426
July 1996
TOPFET high side switch
SMD version of BUK201-50X
PIN
mb
Vertical power DMOS switch
Low on-state resistance
5 V logic compatible input
with hysteresis
Overtemperature protection -
self resets with hysteresis
Overload protection against
short circuit load with
output current limiting;
latched - reset by input
High supply voltage load
protection
Supply undervoltage lock out
Status indication for overload
protection activated
Diagnostic status indication
of open circuit load
Very low quiescent current
Voltage clamping for turn off of
inductive loads
ESD protection on all pins
Reverse battery and
overvoltage protection
with external ground resistor
1
2
3
4
5
Ground
Input
(connected to mb)
Status
Load
Battery
DESCRIPTION
QUICK REFERENCE DATA
FUNCTIONAL BLOCK DIAGRAM
PIN CONFIGURATION
SYMBOL
I
SYMBOL
V
I
T
R
L
L
STATUS
INPUT
GROUND
BG
j
ON
1 2
3
4 5
PARAMETER
Nominal load current (ISO)
PARAMETER
Continuous off-state supply voltage
Continuous load current
Continuous junction temperature
On-state resistance
Fig. 2.
1
Fig.1. Elements of the TOPFET HSS.
mb
PROTECTION
CONTROL &
CIRCUITS
SYMBOL
S
I
TOPFET
Product specification
Fig. 3.
HSS
BUK205-50X
B
G
MAX.
MIN.
150
50
15
60
6
L
POWER
MOSFET
LOAD
BATT
Rev 1.000
UNIT
UNIT
m
˚C
A
V
A

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BUK205-50X Summary of contents

Page 1

... On-state resistance ON FUNCTIONAL BLOCK DIAGRAM STATUS INPUT CONTROL & PROTECTION CIRCUITS GROUND Fig.1. Elements of the TOPFET HSS. PIN CONFIGURATION Fig Product specification BUK205-50X MIN. UNIT 6 A MAX. UNIT 150 ˚ BATT POWER MOSFET LOAD ...

Page 2

... T 25 ˚ during soldering - - 0.1 0 150 ˚C prior to turn-off mb CONDITIONS Human body model 250 pF 1.5 k CONDITIONS - is allowed as an overload condition but at the threshold Product specification BUK205-50X MIN. MAX. UNIT 83.3 W -55 175 ˚C - 150 ˚C - 250 ˚ ...

Page 3

... 7 1 CONDITIONS 200 Product specification BUK205-50X MIN. TYP. MAX 0.1 2 1 300 300 s ...

Page 4

... CONDITIONS I = 100 Product specification BUK205-50X THRESHOLD OUTPUT MIN. TYP. MAX 100 350 600 0 0 150 175 - 10 MIN ...

Page 5

... CONDITIONS CONDITIONS Product specification BUK205-50X MIN. TYP. MAX. = 300 MIN. TYP. MAX 2 1.2 2 ...

Page 6

... VBG / V = 0.5 1 1.5 VBL / f(V ); parameter 250 BUK205-50X 10 VBG / ˚ f(V ); conditions 7 300 VBG = typ. - 100 140 Tmb / C = 300 f(T ); parameter V ; condition BUK205-50X ˚C. j 100 BUK205-50X 180 = 1.5 A Rev 1.000 ...

Page 7

... Fig.15. Typical input current Product specification BUK205-50X IL BUK205-50X -60 - 100 140 conditions BUK205-50X VBG / VIG / ˚ f(V ); parameter BUK205-50X VBG / ˚ f(V ) ...

Page 8

... conditions BUK205-50X 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 VSG / V ); conditions BUK205-50X - 100 140 BUK205-50X 180 = ˚ 180 = f Rev 1.000 ...

Page 9

... Fig.27. Typical negative load clamping characteristic f Product specification BUK205-50X BUK205-50X off on - 100 140 f(T ); conditions BUK205-50X 100 140 f(T ); parameter BUK205-50X -20 -15 -10 -5 VLG / V ); conditions 300 s, 25 ˚ ...

Page 10

... Fig.33. Typical overload characteristic ˚ f Product specification BUK205-50X BUK205-50X -0.8 -0.6 -0.4 -0.2 VLB / V ); conditions ˚ BUK205-50X VBL / ˚ conditions MHz BUK205-50X current limiting 50 us i.e. before short circuit load trip VBL / ˚ ...

Page 11

... BUK205-50X Zth j-mb / (K/ 0.1 0.05 0.02 0.01 100n 30 40 Fig.37. Transient thermal impedance ˚ Product specification BUK205-50X BUK205-50X - 100 140 Tmb / C = f(T ); condition BL(TO BUK205-50X 0.5 0.2 0 10u 100u 1m 10m 100m f(t); parameter j-mb p 180 Rev 1.000 ...

Page 12

... TOPFET high side switch SMD version of BUK201-50X MECHANICAL DATA Dimensions in mm Net Mass: 1.5 g MOUNTING INSTRUCTIONS Dimensions in mm July 1996 10.3 MAX 0.85 MAX (x4) Fig.38. SOT426 mounting base connected to centre pin (cropped short) 11.5 9.0 3.4 1.7 1.7 3.8 Fig.39. SOT426 soldering pattern for surface mounting. 12 Product specification BUK205-50X 4.5 MAX 1.4 MAX 0.5 17.5 1.3 (x4) Rev 1.000 ...

Page 13

... Philips customers using or selling these products for use in such applications their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. July 1996 13 Product specification BUK205-50X Rev 1.000 ...

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