參數(shù)資料
型號(hào)： IR3500MPBF
廠商： International Rectifier
英文描述： XPHASE3TM VR11.0 & AMD PVID CONTROL IC
中文描述： XPHASE3TM VR11.0
文件頁數(shù)： 38/47頁
文件大小： 778K
代理商： IR3500MPBF
IR3500
Page 38 of 47
June 12, 2007
=
=
=
k
R
n
G
R
R
R
O
CS
MAX
L
FB
DRP
8
41
10
*
7
*
3
34
*
10
*
29
.
*
2000
*
3
3
_
, choose R
DRP
=42.2k
=
+
=
+
=
k
R
C
f
V
R
C
L
f
R
C
C
I
FB
E
E
C
CP
5
21
)
10
*
7
*
10
*
560
*
10
*
25
*
2
1
*
12
5
2000
)
12
10
560
(
)
10
470
(
)
10
25
2
)
*
*
*
2
1
*
5
)
2
2
3
6
3
6
9
2
3
2
2
π
π
π
π
,
nF
R
C
L
C
CP
E
E
CP
15
10
5
21
)
12
*
10
560
(
)
/
10
470
(
10
10
3
6
9
=
=
=
Choose CCP1=47pF to reduce high frequency noise.
DESIGN EXAMPLE 2 – VR11 HIGH FREQUENCY ALL-CERAMIC CONVERTER (FIG. 21)
SPECIFICATIONS
Input Voltage: V
I
=12 V
DAC Voltage: V
DAC
=1.3 V
No Load Output Voltage Offset: V
O_NLOFST
=20 mV
Output Current: I
O
=105 ADC
Maximum Output Current: I
OMAX
=120 ADC
Output Impedance: R
O
=0.91 m
Soft Start Delay Time: TD1=1-5mS
Soft Start Time: TD2=0-3mS
VID Sample Delay Time: TD3=0.05-3mS
VID Rise Time: TD4=0-2.5mS
VR Ready Delay Time: TD5=0-3mS
Maximum Over Current Delay Time: t
OCDEL
<2.5mS
Dynamic VID Down-Slope Slew Rate: SR
DOWN
=2.5mV/uS
Over Temperature Threshold: T
MAX
=115 oC
POWER STAGE
Phase Number: n=6
Switching Frequency: f
SW
= 800 kHz
Output Inductors: L=100 nH, R
L
=0.5 m
Output Capacitors: Ceramic, C=22uF, R
C
= 2m
, Number Cn=62
IR3500 EXTERNAL COMPONENTS
Oscillator Resistor
Rosc
Once the switching frequency is chosen, R
OSC
can be determined from the curve in Figure 23 data sheet. For a
switching frequency of 800kHz per phase, choose R
OSC
= 15.0 k
. The reference current is given by 40uA.
Soft Start Capacitor
C
SS/DEL
Determine the soft start capacitor to meet the specifications of the delay time.
Choose C
SS/DEL
=0.1uF. The soft start delay time is
C
TD
67
.
10
*
5
52
mS
I
CHG
DEL
SS
4
*
10
*
1
4
*
1
6
6
/
=
=
=
相關(guān)PDF資料
PDF描述
IR3500MTRPBF XPHASE3TM VR11.0 & AMD PVID CONTROL IC
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IR3500MTRPBF 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 COMPLETE VR11.0 OR AMD PVID PWR SOLTION 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
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
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