APPLICATION INFORMATION

The recommended values of the components are those shown on application circuit of fig.1. Different values

can be used ; the following table can help the designer.

APPLICATION SUGGESTION

Component

Recommended value

Purpose

Larger Than

Smaller Than

R1, R3

1.3K

Ω

Close Loop Gain

Setting (*)

Increase of Gain

Decrease of Gain

R2 and R4

18

Ω

Decrease of Gain

Increase of gain

R5 and R6

1

Ω

Frequency stability

Danger of

Oscillation at High

Frequency with

Inductive Load

C1 and C2

2.2

µF

Input DC Decoupling High Turn-on Delay

High Turn-on Pop

Higher Low

Frequency

Cutoff. Increase of

Noise

C3

22

µF

Ripple Rejection

Better SVR Increase

of the Switch-on

Time

Degradation of SVR

C6 and C7

220

µF

Feedback Input DC

Decoupling

C8 and C9

0.1

µF

Frequency Stability

Danger of Oscillation

(*) The closed loop gain must be higher than 26 dB.

TDA2007A

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