- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄384487 > IR3500MTRPBF (International Rectifier) XPHASE3TM VR11.0 & AMD PVID CONTROL IC PDF資料下載
參數(shù)資料
| 型號(hào)： | IR3500MTRPBF |
| 廠商： | International Rectifier |
| 英文描述： | XPHASE3TM VR11.0 & AMD PVID CONTROL IC |
| 中文描述： | XPHASE3TM VR11.0 |
| 文件頁(yè)數(shù)： | 34/47頁(yè) |
| 文件大?。?/td> | 778K |
| 代理商： | IR3500MTRPBF |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)第21頁(yè)第22頁(yè)第23頁(yè)第24頁(yè)第25頁(yè)第26頁(yè)第27頁(yè)第28頁(yè)第29頁(yè)第30頁(yè)第31頁(yè)第32頁(yè)第33頁(yè)當(dāng)前第34頁(yè)第35頁(yè)第36頁(yè)第37頁(yè)第38頁(yè)第39頁(yè)第40頁(yè)第41頁(yè)第42頁(yè)第43頁(yè)第44頁(yè)第45頁(yè)第46頁(yè)第47頁(yè)
IR3500
Page 34 of 47
June 12, 2007
2
2
)
*
*
*
2
+
1
*
5
)
2
C
C
I
FB
E
E
C
CP
R
C
f
V
R
C
L
f
R
π
π
=
(26)
CP
E
E
CP
R
C
L
C
=
10
(27)
C
CP1
is optional and may be needed in some applications to reduce the jitter caused by the high frequency noise.
A ceramic capacitor between 10pF and 220pF is usually enough.
Type III Compensation for AVP Applications
Determine the compensation at no load, the worst case condition. Assume the time constant of the resistor and
capacitor across the output inductors matches that of the inductor, the crossover frequency and phase margin of
the voltage loop can be estimated by (28) and (29), where R
LE
is the equivalent resistance of inductor DCR.
R
f
*
*
2
π
LE
FB
CS
E
DRP
C
R
R
G
C
=
1
(28)
π
θ
180
)
tan(
90
1
=
A
C
(29)
Choose the desired crossover frequency fc around fc1 estimated by (28) or choose fc between 1/10 and 1/5 of
the switching frequency per phase, and select the components to ensure the slope of close loop gain is -20dB
per decade around the crossover frequency. Choose resistor R
FB1
according to (30), and determine C
FB
and
C
DRP
from (31) and (32).
1
1
=
to
FB
FB
R
R
3
1
FB
R
f
π
FB
FB
R
R
2
2
1
=
(30)
1
4
FB
C
C
=
(31)
DRP
FB
FB
FB
DRP
R
C
R
R
C
+
=
)
(
1
(32)
R
CP
and C
CP
have limited effect on the crossover frequency, and are used only to fine tune the crossover
frequency and transient load response. Determine R
CP
and C
CP
from (33) and (34).
2
=
I
FB
E
E
C
CP
V
R
C
L
f
R
5
)
2
π
(33)
CP
E
E
CP
R
C
L
C
=
10
(34)
C
CP1
is optional and may be needed in some applications to reduce the jitter caused by the high frequency noise.
A ceramic capacitor between 10pF and 220pF is usually enough.
Type III Compensation for Non-AVP Applications
Resistor R
DRP
and capacitor C
DRP
are not needed. Choose the crossover frequency fc between 1/10 and 1/5 of
the switching frequency per phase and select the desired phase margin
θ
c. Calculate K factor from (35), and
determine the component values based on (36) to (40),
θ
π
)]
5
+
180
(
4
tan[
=
C
K
(35)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IR3623MPBF | HIGH FREQUENCY 2-PHASE, SINGLE OR DUAL OUTPUT SYNCHRONOUS STEP DOWN CONTROLLER WITH OUTPUT TRACKING AND SEQUENCING |
| IR3624MPBF | HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER |
| IR3624MTRPBF | HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER |
| IR4426 | DUAL LOW SIDE DRIVER |
| IR4426PBF | DUAL LOW SIDE DRIVER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IR3500V | 制造商:IRF 制造商全稱:International Rectifier 功能描述:XPHASE3TM VR11.1 CPU VTT CONTROL IC |
| IR3500VMPBF | 制造商:IRF 制造商全稱:International Rectifier 功能描述:XPHASE3TM VR11.1 CPU VTT CONTROL IC |
| IR3500VMTRPBF | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 X-PHASE IR3500V AMD SVID CTRL IC RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| IR3502 | 制造商:IRF 制造商全稱:International Rectifier 功能描述:XPHASE3TM CONTROL IC |
| IR3502_09 | 制造商:IRF 制造商全稱:International Rectifier 功能描述:XPHASE3TM CONTROL IC |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。