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參數(shù)資料
型號(hào): FAN8048
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 運(yùn)動(dòng)控制電子
英文描述: 2 DC-DC Converter & 4-CH PWM Motor IC
中文描述: DISK DRIVE MOTOR CONTROLLER, 0.5 A, PDSO48
封裝: 7 X 7 MM, LQFP-48
文件頁數(shù): 22/34頁
文件大小: 903K
代理商: FAN8048
FAN8048
22
In Figure 16, when control voltage VX is always higher than VY and triangular waveform voltage V
PCT
, Switch pairs C and D
will alternately switching and their circuit is designed to operate as a step-up converter, whose output voltage is always higher
than input voltage. Figure 15 shows the operational waveform at the output terminal of each switching device when it acts as a
step-up converter. In this operations section, Switch A is always turned-on and switch B is always turned-off. Also, to limit the
maximum output voltage in this mode, the maximum duty ratio is limited to about 75%.
(a)
(b)
Figure 15. Synchronous Step-up Converter
Figure 16. Output switch operational waveforms in Boost (Step-up) converter mode
D
A
B
C
R
VIN
VSYS
V
B
V
C
V
D
t
V
L
Ton
Ts
Toff
(V
IN
-V
SYS
)
VSYS
A
B
0
t
i
L
0
(V
IN
)
V
A
V
B
V
C
V
D
High
Low
V
X
V
Y
PCT
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FAN8060 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:1.2MHz, 1A Synchronous Step-Down DC/DC Regulator
FAN8060EMPX 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.2MHz, 1A Sync Step Down DC/DC RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
FAN8082 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 DC Motor Driver RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
FAN8082D 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 DC Motor Driver Bi Directional RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
FAN8082DTF 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 DC Motor Driver Bi Directional RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
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