NXP Semiconductors
TDA3664
Very low dropout voltage/quiescent current 5 V voltage regulator
6
VREG
(V)
4
mda954
2
0
0
100
VP = 8 V; pulsed load.
200
300
IREG (mA)
Fig 13. Foldback protection mode
12. Test information
−30
SVRR
(dB)
−40
mda956
(1)
(2)
−50
(3)
(1)
−60
(2)
(3)
−70
10
102
103
104
105
f (Hz)
CO = 10 µF
(1) SVRR at RL = 100 Ω
(2) SVRR at RL = 500 Ω.
(3) SVRR at RL = 10 kΩ.
Fig 14. Supply voltage ripple rejection as a function of
the ripple frequency
VP
C1(1)
1 µF
1
3
TDA3664
2, 4
VREG(3)
C2(2)
(1) C1 is optional (to minimize supply noise only)
(2) C2 = 10 µF
(3) VREG = 5 V
Fig 15. Test circuit (SO4)
014aaa089
12.1 Quality information
The General Quality Specification for Integrated Circuits, SNW-FQ-611 is applicable.
TDA3664_7
Product data sheet
Rev. 07 — 25 June 2007
© NXP B.V. 2007. All rights reserved.
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