tda3681 NXP Semiconductors, tda3681 Datasheet - Page 18
tda3681
Manufacturer Part Number
tda3681
Description
Multiple Voltage Regulator With Switch And Ignition Buffer
Manufacturer
NXP Semiconductors
Datasheet
1.TDA3681.pdf
(29 pages)
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Philips Semiconductors
2004 Mar 31
handbook, full pagewidth
Multiple voltage regulator with switch and
ignition buffer
handbook, halfpage
V o(REG3)
handbook, halfpage
V o(REG1)
5.0 V
8.5 V
I sc(REG3)
c. Regulator 3.
a. Regulator 1.
I sc(REG1)
V P
V SW
2V BE
Fig.8 Foldback current protection of the regulators.
3.3 V
Fig.9 Current protection of the power switch.
I REG3
generates
I REG1
hold
MGL909
1 A
I m(REG3)
MGL907
I m(REG1)
18
delayed
handbook, halfpage
handbook, halfpage
V o(REG2)
V o(REG4)
5.0 V
3.3 V
1.8 A
I sc(REG2)
I sc(REG4)
I SW
delayed
MGR931
not
3 A
b. Regulator 2.
d. Regulator 4.
Product specification
I REG2
I REG4
TDA3681
MGL908
MGL910
I m(REG4)
I m(REG2)