l6730cqtr STMicroelectronics, l6730cqtr Datasheet - Page 33

• Manufacturer Part Number: l6730cqtr
• Description: Adjustable Step-down Controller With Synchronous Rectification
• Manufacturer: STMicroelectronics

L6730C - L6730D
Figure 27. Asymptotic bode plot of converter's open loop gain
●
Compensation network design:
–
–
–
–
–
–
Put the gain R
Place
Place
Place
Place
Check the loop gain considering the error amplifier open loop gain.
Z1
Z2
P1
P2
before the output filter resonance
at the output filter resonance
at the output capacitor ESR zero
at one half of the switching frequency;
5
/R
3
in order to obtain the desired converter bandwidth
C
R
R
5
3
Vin
Vosc
LC
LC
;
ESR
LC
(18)
;
;
Application details
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