參數(shù)資料
型號(hào): TPS57040QDGQRQ1
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO10
封裝: GREEN, PLASTIC, MSOP-10
文件頁數(shù): 22/51頁
文件大?。?/td> 1871K
代理商: TPS57040QDGQRQ1
A0
A1
P1
Z1
P2
Aol
BW
ea
Aol(V/V)
Ro =
gm
p
ea
O
gm
C
=
2
BW (Hz)
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
p
O
1
P2 =
type 2a
2
R3 | | R
(C2 + C )
p
O
1
P2 =
type 2b
2
R3 | | R
C
p
O
1
P2 =
type 1
2
R
(C2 + C )
SLVSAP4A
– DECEMBER 2010 – REVISED APRIL 2011
DETAILED DESCRIPTION (continued)
Figure 49. Frequency Response of the Type 2A and Type 2B Frequency Compensation
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
Copyright
2010–2011, Texas Instruments Incorporated
29
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