參數(shù)資料
型號(hào)： MB3785APFV
廠商： FUJITSU LTD
元件分類： 穩(wěn)壓器
英文描述： Switching Regulator Controller (4 Channels plus High-Precision, High-Frequency Capabilities)
中文描述： 0.03 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQFP48
封裝： PLASTIC, LQFP-48
文件頁(yè)數(shù)： 22/29頁(yè)
文件大?。?/td> 293K
代理商： MB3785APFV
22
MB3785A
<Precautions>
When you use a ceramic resonator, pay attention when setting the dead time because the triangular-wave amplitude
is determined by the values of C
T
and R
T
.
2.
To prevent inrush current at power switch-on, the device can be set for soft start by using the DTC terminals (pins
4, 9, 28, and 33). The diagrams below show how to set.
Soft Start
Figure 11. When Using DTC to Set Dead
Time
Figure 12. When Not Using DTC
V
REF
R
1
R
2
DTC3
(DTC4)
Vdt
19
V
REF
DTC3
(DTC4)
19
Figure 13. Setting Soft Start for CH1 and
CH2
Figure 14. Setting Soft Start for CH3 and
CH4
V
REF
DTC1
(DTC2)
Rdt
19
Cdt
Rdt
Cdt
DTC3
(DTC4)
19
V
REF
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB3785APFV-G-BND(E1) 制造商:Fujitsu 功能描述:
MB3788 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:SWITCHING REGULATOR CONTROLLER
MB3789 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Switching Regulator Controller (Supporting External Synchronization)
MB3789PFV 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Switching Regulator Controller (Supporting External Synchronization)
MB3789PFV-G-BND(E1) 制造商:Fujitsu 功能描述:
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