參數(shù)資料
型號(hào)： MB3790PFT
廠商： FUJITSU LTD
元件分類： 電源管理
英文描述： Battery Backup IC
中文描述： 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20
封裝： PLASTIC, SSOP-20
文件頁(yè)數(shù)： 1/21頁(yè)
文件大小： 192K
代理商： MB3790PFT
DS04-27502-3E
FUJITSU SEMICONDUCTOR
DATA SHEET
ASSP For Power Supply Applications
Bi-CMOS
Battery Backup IC
MB3790
I
DESCRIPTION
The MB3790 is designed to control power supplies to SRAM, logic IC, or other circuit devices and protects them
against momentary power failures by using backup batteries. In addition to its function to supply the power to
these devices, it has a function to switch the source of power to the primary or secondary backup battery when
the power supply voltage drops below a predetermined level. Also, it outputs a reset signal when the power supply
turns on or off or when a fault occurs in the power supply.
Ideally designed as a single-chip IC for power supply control, the MB3790 consumes only a minimal current and
comes in a thin-type package. Therefore, it is best suited for power supply control in memory cards and similar
other devices.
I
FEATURES
Input circuit current consumption when non-loaded: 50
μ
A [typ]
Output drive current: 200 mA [max]
Resistance between input and output: 0.5 ohms [typ]
Input power-down detection level: 4.2 V ± 2.5 %
On-chip power-on reset circuit
Primary battery voltage-down detection levels: 2.65 V, 2.37 V
(Continued)
I
PACKAGES
* :Since the SSOP is an extremely thin package, use a partial heating method when mounting the device.
Plastic SOP, 16 pin
(FPT-16P-M06)
Plastic SSOP*, 20 pin
(FPT-20P-M04)
相關(guān)PDF資料
PDF描述
MB3793-27A Power Voltage Monitoring IC with Watchdog Timer
MB3793-27APNF Circular Connector; No. of Contacts:128; Series:MS27656; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No
MB3793-27AP Power Voltage Monitoring IC with Watchdog Timer
MB3793-27APF Power Voltage Monitoring IC with Watchdog Timer
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB3793 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER
MB3793-27A 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Power Voltage Monitoring IC with Watchdog Timer
MB3793-27AP 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Power Voltage Monitoring IC with Watchdog Timer
MB3793-27APF 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Power Voltage Monitoring IC with Watchdog Timer
MB3793-27APF-G-JN-6E1 制造商:Fujitsu 功能描述:L 3.5V to 16V 2.7V VvZbg/p[IZbg 8SOP Tube
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