參數(shù)資料
型號(hào)： MB3825APFV
廠商： FUJITSU LTD
元件分類： 穩(wěn)壓器
英文描述： 6-ch DC/DC Converter IC With Synchronous Rectifier
中文描述： 0.2 A SWITCHING CONTROLLER, 800 kHz SWITCHING FREQ-MAX, PQFP64
封裝： PLASTIC, LQFP-64
文件頁(yè)數(shù)： 27/39頁(yè)
文件大?。?/td> 465K
代理商： MB3825APFV
MB3825A
27
Channel 3
The capacitor C
DTC3
is placed between the DTC3 terminal (pin 31) and GND, so that when the CTL2 terminal (pin
29) goes from “L” to “H” level, the transistor Q4 is turned off and the output voltage is in proportion to the DTC3
terminal voltage providing the soft start operation.
As the short detection function is not turned off during soft start operation, this setting should be made under the
following condition.
Channel 3 soft start circuit time
<
Short detection time
Figure 9. Channel 3 soft start circuit
A
+
+
32
33
FB3
IN (E) 3
IN (C) 3
1.5 V
1.5 V
H:ON (CH3) CTL2
L:OFF
29
34
Error
Amp.3
Ra
Rb
34
C
DTC3
DTC3
SCP
Comp.3
+
+
PWM
Comp.3
56
OUT1-3
Q4
External PNP transistor
Output
stage
To CSP
To UVLO
To CT1
To V
REF
相關(guān)PDF資料
PDF描述
MB3827 6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down
MB3827PFV 6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down
MB3828 Pentium DC/DC Converter IC
MB3828PFV-G-BND BOX, POLYCARBONATE IP67 CLEAR LIDBOX, POLYCARBONATE IP67 CLEAR LID; Length / Height, external:65mm; Width, external:230mm; Depth, external:80mm; Material:Polycarbonate; Colour:Grey; Approval Bodies:GL, CSA, Fimko, Gost R, EN 50298
MB3829 System Power Supply IC for Mobile Telephone
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB3827 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down
MB3827PFV 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down
MB3828 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Pentium DC/DC Converter IC
MB3828PFV-G-BND 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Pentium DC/DC Converter IC
MB3829 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:System Power Supply IC for Mobile Telephone
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