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參數資料
| 型號： | 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 |
| 文件頁數： | 1/21頁 |
| 文件大?。?/td> | 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)
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相關代理商/技術參數 |
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| 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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