參數(shù)資料
型號(hào): TPS54140QDRCRQ1
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PDSO10
封裝: GREEN, PLASTIC, SON-10
文件頁數(shù): 20/50頁
文件大小: 1602K
代理商: TPS54140QDRCRQ1
A0
A1
P1
Z1
P2
Aol
BW
ea
Aol(V/V)
Ro =
gm
ea
OUT
gm
C
=
2
BW (Hz)
p
f
Z1
P1
P2
s
1
2
EA
A0
s
1
2
+
÷
p
è
=
+
+
÷
÷
p
è
è
ea
R2
A0 = gm
Ro
R1 + R2
ea
R2
A1 = gm
Ro| | R3
R1 + R2
1
P1
2
Ro
C1
=
p
1
Z1
2
R3
C1
=
p
OUT
1
P2 =
type 2a
2
R3 | | R
(C2 + C
)
p
OUT
1
P2 =
type 2b
2
R3 | | R
C
p
OUT
1
P2 =
type 1
2
R
(C2 + C
)
p
SLVSA24B
– OCTOBER 2009 – REVISED MARCH 2011
DETAILED DESCRIPTION (continued)
Figure 50. Frequency Response of the Type 2A and Type 2B Frequency Compensation
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
Copyright
2009–2011, Texas Instruments Incorporated
27
Product Folder Link(s): TPS54140-Q1
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