- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄361102 > NCP5322ADWR2G (ON SEMICONDUCTOR) Two−Phase Buck Controller with Integrated Gate Drivers and 5−Bit DAC PDF資料下載
參數(shù)資料
| 型號： | NCP5322ADWR2G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Two−Phase Buck Controller with Integrated Gate Drivers and 5−Bit DAC |
| 中文描述： | 1.5 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | LEAD FREE, SOIC-28 |
| 文件頁數(shù)： | 30/31頁 |
| 文件大?。?/td> | 726K |
| 代理商： | NCP5322ADWR2G |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁當(dāng)前第30頁第31頁
NCP5322A
http://onsemi.com
30
10. PWM Comparator Input Voltage
Use Equation 35 to check the voltage level to the positive
pin of the internal PWM comparators. The design should not
saturate the PWM comparator at maximum DAC output
voltage (+1% error), AVP at fullload, 100% duty cycle (D
= 1), and worstcase maximum internal ramp (310 mV at
100% duty cycle):
VCSREF,MAX
Max VID Setting w AVP @ FullLoad
1.01
1.850 V
30 mV
1.834 V
VCOn,MAX
(IO,MAX2
(52 A 2
ILo2)
RMAX
(1.33 m
GCSA,MAX
0.57 m )
8.03 A 2)
3.90 V V
0.222 V
VCSREF,MAX
VCOn,MAX
0.222 V
310 mV
310 mV
D
1.834 V
2.366 V
(35)
This value is acceptable because it below the specified
maximum of 2.45 V.
11. Soft Start Time
To set the Soft Start time, first calculate the external ramp
size at a dutycycle of D = 1.630 V/12 V = 0.135:
Ext_Ramp
D
(VIN
VOUT)
CCSn
(RCSn
fSW)
0.135
(12 V
1.630 V)
220 kHz)
60 k
0.01 F
11 mV
Then calculate the steadystate COMP voltage:
VCOMP
VOUT@ 0 A
Int_Ramp
Channel_Startup_Offset
GCSA
Ext_Ramp 2
1.630 V
3.5 V V
0.40 V
11 mV 2
0.135
250 mV
2.083 V
Then choose a convenient value for the SoftStart time
(7.5 ms) and solve Equation 37 for the SoftStart capacitor,
C
SS
:
CSS
tSS
7.5 ms
ISSVCOMP
30 A 2.083 V
0.108 F or 0.1 F
(37)
I
SS
is the SoftStart charge current from the data sheet.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| NCP5331FTR2G | Two-Phase PWM Controller with Integrated Gate Drivers |
| NCP5331 | Two-Phase PWM Controller with Integrated Gate Drivers |
| NCP5331FTR2 | Two-Phase PWM Controller with Integrated Gate Drivers |
| NCP5383 | Two Phase Buck Controller with Integrated Gate Drivers and AVP |
| NCP5422ADR2G | Dual Out−of−Phase Synchronous Buck Controller with Current Limit |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCP5331 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two-Phase PWM Controller with Integrated Gate Drivers |
| NCP5331/D | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two Phase PWM Controller with Integrated Gate Drivers |
| NCP5331_05 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two-Phase PWM Controller with Integrated Gate Drivers |
| NCP5331FTR2 | 功能描述:DC/DC 開關(guān)控制器 2 Phase Buck w/Gate RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| NCP5331FTR2G | 功能描述:DC/DC 開關(guān)控制器 2 Phase Buck w/Gate Drivers for Athlon RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。