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參數(shù)資料
| 型號： | MB3821 |
| 廠商： | Fujitsu Limited |
| 英文描述： | 2-ch DC/DC Converter IC With Synchronous Rectifier |
| 中文描述： | 2通道DC / DC轉(zhuǎn)換集成電路整流同步 |
| 文件頁數(shù)： | 1/24頁 |
| 文件大小： | 273K |
| 代理商： | MB3821 |
DS04-27221-2E
FUJITSU SEMICONDUCTOR
DATA SHEET
ASSP For Power Supply Applications
With Power Mode Switching Function
2-ch DC/DC Converter IC With Synchronous Rectifier
MB3821
I
DESCRIPTION
The MB3821 is a pulse width modulation (PWM) type 2-channel DC/DC converter IC with synchronous rectification
designed for low voltage, high efficiency operation in high precision and high frequency applications, ideal for down
conversion.
A normal/low-power mode selection is provided, ideal for an internal power supply (3.3V, 5V) in applications with
substantial load current variation, such as notebook computers.
I
FEATURES
Synchronous rectification
High efficiency : 93 % (normal power mode, VIN
=
6 V, load 1 A)
: 84 %
(low power mode, VIN
=
6 V, load 20 mA)
Built-in power mode selector circuit
Reference voltage accuracy : 2.5V ± 2 %
Built-in error amp input control type soft start circuit
Totem pole type output for N-ch MOSFET applications
Built-in timer-latch type short protection circuit
I
PACKAGE
24-pin, Plastic SSOP
(FPT-24P-M03)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MB3821PFV | 2-ch DC/DC Converter IC With Synchronous Rectifier |
| MB3825A | 6-ch DC/DC Converter IC With Synchronous Rectifier |
| MB3825 | 6-ch DC/DC Converter IC With Synchronous Rectifier |
| MB3825APFV | 6-ch DC/DC Converter IC With Synchronous Rectifier |
| MB3827 | 6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB3821PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:2-ch DC/DC Converter IC With Synchronous Rectifier |
| MB3821PFV-G-BND(E1) | 制造商:Fujitsu 功能描述: |
| MB3825 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:6-ch DC/DC Converter IC With Synchronous Rectifier |
| MB3825A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:6-ch DC/DC Converter IC With Synchronous Rectifier |
| MB3825APFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:6-ch DC/DC Converter IC With Synchronous Rectifier |
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