Datasheet
Data Sheet 3 V1.1, 2007-05-29
Smart High-Side Power Switch
BTS428L2
0D[LPXP5DWLQJVDW7M &XQOHVVRWKHUZLVHVSHFLILHG
3DUDPHWHU 6\PERO 9DOXHV 8QLW
6XSSO\YROWDJHRYHUYROWDJHSURWHFWLRQVHHSDJH 9
EE
9
6XSSO\YROWDJHIRUIXOOVKRUWFLUFXLWSURWHFWLRQ
7
M6WDUW
&
9
EE
9
/RDGGXPSSURWHFWLRQ
9
/RDG'XPS
9
$
9
V
9
$
9
5
,
Ω5
/
ΩW
G
PV,1 ORZRUKLJK
9
/RDGGXPS
9
/RDGFXUUHQW&XUUHQWOLPLWVHHSDJH ,
/
VHOIOLPLWHG $
2SHUDWLQJWHPSHUDWXUHUDQJH
6WRUDJHWHPSHUDWXUHUDQJH
7
M
7
VWJ
&
3RZHUGLVVLSDWLRQ'&7
&
≤& 3
WRW
:
0D[LPDOVZLWFKDEOHLQGXFWDQFHVLQJOHSXOVH
9
EE
97
MVWDUW
&7
&
&FRQVW
6HHGLDJUDPRQSDJH ,
/,62
$5
/
Ω; (
$6
-
=
/
P+
(OHFWURVWDWLFGLVFKDUJHFDSDELOLW\(6' ,1
+XPDQ%RG\0RGHO 67
RXWWRDOORWKHUSLQVVKRUWHG
DFF0,/67''PHWKRGDQG
(6'DVVQVWG65 NΩ& S)
9
(6'
N9
,QSXWYROWDJH'& 9
,1
9
&XUUHQWWKURXJKLQSXWSLQ'&
&XUUHQWWKURXJKVWDWXVSLQ'&
VHHLQWHUQDOFLUFXLWGLDJUDPVSDJH
,
,1
,
67
±
±
P$
7KHUPDO&KDUDFWHULVWLFV
3DUDPHWHUDQG&RQGLWLRQV 6\PERO 9DOXHV 8QLW
PLQ W\S PD[
7KHUPDOUHVLVWDQFH FKLSFDVH
MXQFWLRQDPELHQWIUHHDLU
GHYLFHRQSFE
5
WK-&
5
WK-$
.:
6XSSO\YROWDJHVKLJKHUWKDQ9
EE$=
UHTXLUHDQH[WHUQDOFXUUHQWOLPLWIRUWKH*1'DQGVWDWXVSLQVDΩ
UHVLVWRUIRUWKH*1'FRQQHFWLRQLVUHFRPPHQGHG
5
,
LQWHUQDOUHVLVWDQFHRIWKHORDGGXPSWHVWSXOVHJHQHUDWRU
9
/RDGGXPS
LVVHWXSZLWKRXWWKH'87FRQQHFWHGWRWKHJHQHUDWRUSHU,62DQG',1
(
$6
LVWKHPD[LPXPLQGXFWLYHVZLWFKRIIHQHUJ\
'HYLFHRQPPPPPPHSR[\3&%)5ZLWKFP
RQHOD\HUµPWKLFNFRSSHUDUHDIRU9
EE
FRQQHFWLRQ3&%LVYHUWLFDOZLWKRXWEORZQDLU










