LM61430-Q1: Spread spectrum function enable.

Vignesh M

Part Number: LM61430-Q1

Hi,

I have clarification on LM61430- Q1.

In this model spread spectrum will work at all frequencies setting by RT resistor or only Spread spectrum enable when RT resistor connected to AGND?

over 1 year ago

0 Marshall_Beck over 1 year ago

TI__Mastermind 30660 points

Hi, Spread spectrum is activated by default at all programmed frequencies, when operating at full frequency. In turns off for example, when the device is in PFM, dropout, or at minimum on-time (low duty cycle).

0 Colin Chen over 1 year ago

TI__Genius 12241 points

Hi Sir,

The spread spectrum will work at all frequencies setting by RT resistor, but at some conditions the spread spectrum can be disabled as below shown:

B R

Colin

0 Marshall_Beck over 1 year ago in reply to Colin Chen

TI__Mastermind 30660 points

That is correct.

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LM61430-Q1: Spread spectrum function enable.