TDA3661A View Datasheet(PDF) - Philips Electronics

Part Name

Description

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TDA3661A

Very low dropout voltage/quiescent current adjustable voltage regulator

Philips Electronics 

Philips Semiconductors

TDA3661

Very low dropout voltage/quiescent current voltage regulator

6

VREG

(V)

4

mda954

2

0

0

100

VP = 8 V and pulsed load

200

300

IREG (mA)

Fig 13. Fold back 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)

IREG = 10 mA; C2 = 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

12.1 Quality information

The General Quality Specification for Integrated Circuits, SNW-FQ-611 is applicable.

12.2 Test circuit

VP C1(1)

1 µF

8

1

TDA3661

5

2, 3, 6, 7

R1

75.1 kΩ

R2

24.9 kΩ

mgs581

C1 is optional (to minimize supply noise only)

Fig 15. Test circuit

VREG

C2 = 5 V

10 µF

9397 750 15049

Product data sheet

Rev. 05 — 28 June 2005

© Koninklijke Philips Electronics N.V. 2005. All rights reserved.

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