TLE4473GV55-2_08 Datasheet, PDF (4/17 Pages) Infineon Technologies AG – Dual Low Dropout Voltage Regulator Stand-by output 190 mA; 5 V ± 2%

TLE 4473 GV55-2
V _Bat
C_I
100 nF
Ig n itio n
TLE 4 4 7 3 GV5 5 -2
7I
Ove rte mp e ra tu re
Sh u td o w n
Ba n d g a p
R e fe re n ce
9 INH2
In h ib it
C u rre n t a n d
Sa tu ra tio n
C o n tro l,
Ove rcu rre n t
Pro te ctio n
8 INH1
µC
In h ib it
TL E4 4 7 3 G V5 5 -2 _ BL O CKDIAG RAM .VSD
C u rre n t a n d
Sa tu ra tio n
C o n tro l,
Ove rcu rre n t
Pro te ctio n
12
GND
Q2 4
10
µF
4 .7 kΩ
R e se t R O2 3
Ge n e ra to r
µC
Su p p ly
µC
R e se t
Wa tch d o g
WI 1
D2 11
Wa tch d o g
(fro m µC )
100 nF
Q1 6
10
µF
4 .7 kΩ
R e se t R O1 2
Ge n e ra to r
e .g . Se n so r
Su p p ly
e .g . Se n so r
R e se t
(to µC )
D1 10
100 nF
Figure 2 Block Diagram with Typical External Components
Data Sheet
4
Rev. 1.2, 2008-10-28