參數(shù)資料
型號(hào): TPS62101D
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 1.6 A SWITCHING REGULATOR, 750 kHz SWITCHING FREQ-MAX, PDSO8
封裝: GREEN, SOIC-8
文件頁(yè)數(shù): 4/27頁(yè)
文件大?。?/td> 537K
代理商: TPS62101D
TPS62100, TPS62101, TPS62102, TPS62103
MULTIMODE LOW POWER BUCK CONVERTER
SLUS446B – MAY 2000 – REVISED DECEMBER 2000
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
loop compensation and the TPS6210X series of converters (continued)
The circuit shown in Figure 3, implements an origin pole, two zeros and a high frequency pole. A second high frequen-
cy pole will be added by the response of the error amplifier. If desired, this additional pole can be controlled by adding
a capacitor across the series R–C from COMP to FB.
UDG–00131
REF
R4
C2
C1
R2
EAO
R3
G0
f
z1
f
z2
fp
R1
+
VOLTAGE WAVEFORM
V
EAO
V
OUT
VOUT
Figure 3. Compensation Network and Gain Response
In this schematic and line approximation of response, the components are calculated as follows:
R
1 +
R
2
V
OUT *
V
REF
V
REF
R
4 +
R
1
R
2
G
0
C
2 +
2
p
f
z1
R
4
*1
C
1 +
2
p
f
z2
R
1
R
2
*1
R
3 +
2
p
fp
C
1
*1
(2)
(3)
(4)
(5)
(6)
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