參數(shù)資料
型號： NCP5322A
廠商： ON SEMICONDUCTOR
英文描述： TWO-PHASE BUCK CONTROLLER WITH INTEGRATED GATE DRIVERS AND 5-BIT DAC
中文描述： 兩相降壓控制器，它集成柵極驅(qū)動器和5位DAC
文件頁數(shù)： 29/32頁
文件大?。?/td> 1091K
代理商： NCP5322A
NCP5322A
http://onsemi.com
29
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
D
1.834 V
2.366 V
310 mV
(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 duty
–
cycle 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 steady
–
state 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 Soft
–
Start time
(7.5 ms) and solve Equation 37 for the Soft
–
Start 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 Soft
–
Start charge current from the data sheet.
相關PDF資料
PDF描述
NCP5322ADW TWO-PHASE BUCK CONTROLLER WITH INTEGRATED GATE DRIVERS AND 5-BIT DAC
NCP5322ADWR2 STATIC PROTECTION RoHS Compliant: Yes
NCP5332ADW Two-Phase Buck Controller with Integrated Gate Drivers and 5-Bit DAC
NCP5332ADWR2 Two-Phase Buck Controller with Integrated Gate Drivers and 5-Bit DAC
NCP5332A Two-Phase Buck Controller with Integrated Gate Drivers and 5-Bit DAC
相關代理商/技術參數(shù)
參數(shù)描述
NCP5322A/D 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two-Phase Buck Controller with integrated Gate Drivers and 5-Bit DAC
NCP5322A_07 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two−Phase Buck Controller with Integrated Gate Drivers and 5−Bit DAC
NCP5322ADW 功能描述:DC/DC 開關控制器 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 安裝風格: 封裝 / 箱體:CPAK
NCP5322ADWG 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two−Phase Buck Controller with Integrated Gate Drivers and 5−Bit DAC
NCP5322ADWR2 功能描述:DC/DC 開關控制器 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 安裝風格: 封裝 / 箱體:CPAK
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