參數(shù)資料
型號(hào): L6732TR
廠商: STMICROELECTRONICS
元件分類(lèi): 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
封裝: LEAD FREE, HTSSOP-16
文件頁(yè)數(shù): 18/37頁(yè)
文件大?。?/td> 898K
代理商: L6732TR
L6732
Application details
25/37
Equation 14
Compensation network singularity frequencies:
Equation 15
Equation 16
Equation 17
Equation 18
Compensation network design:
Put the gain R5/R3 in order to obtain the desired converter bandwidth
Equation 19
Place
ω
Z1 before the output filter resonance ωLC;
Place
ω
Z2 at the output filter resonance ωLC;
Place
ω
P1 at the output capacitor ESR zero ωESR;
Place
ω
P2 at one half of the switching frequency;
Check the loop gain considering the error amplifier open loop gain.
Cout
ESR
=
1
ω
+
=
19
18
19
18
5
1
C
R
P
ω
20
4
2
1
C
R
P
=
ω
19
5
1
C
R
Z
=
ω
()
4
3
20
2
1
R
C
Z
+
=
ω
LC
C
Vosc
Vin
R
=
3
5
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