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參數資料
型號: MM1025
廠商: MITSUMI ELECTRIC CO LTD
元件分類: 電源管理
英文描述: System Reset (with battery back-up) Monolithic IC
中文描述: POWER SUPPLY SUPPORT CKT, PDSO8
封裝: SOP-8
文件頁數: 1/6頁
文件大小: 63K
代理商: MM1025
MITSUMI
System Reset (with battery back-up) MM1025, 1174
System Reset (with battery back-up)
Monolithic IC MM1025, 1174
Outline
These ICs were developed for D-RAM and dummy S-RAM battery back-up. D-RAM and dummy S-RAM
power supplies differ from that of S-RAMs because 5V or 3.3V of power supply is required even during
battery back-up. Therefore, these ICs provide voltage from a stable power supply during both normal
operation and back-up. Also, the internal stable power supply switches automatically to battery back-up if the
main power supply voltage goes down for any reason.
Features
1. Battery back-up
MM1025
Current consumption
Input/output voltage difference I
L
=40mA
Output current
MM1174
Current consumption
Input/output voltage difference I
L
=40mA
Output current
2. Normal operation
MM1025
Input/output voltage difference
Output current
External transistor drive current V
CC
= 6V
Current consumption
MM1174 (for external transistor)
Input/output voltage difference
Output current
External transistor drive current (no built-in TR) V
CC
=3.6V
Current consumption
600μA typ.
0.25V typ.
40mA max.
300μA typ.
0.13V typ.
40mA max.
I
L
=80mA (built-in transistor)
V
CC
=6V
0.29V typ.
80mA typ.
15mA typ.
900μA max.
I
L
=200mA
0.13V typ.
Depends on external transistor
10mA typ.
500μA max.
3. Switching voltage from V
CC
to Battery V
CC
=High Low
MM1025
MM1174
4. V
CC
-Battery forced switching and detection voltage adjustment possible
4.9V typ.
3.25V typ.
Package
SOP-8A
Applications
1. Memory cards (D-RAM cards, other)
2. PCs, word processors and other equipment with D-RAMs
3. Fax machines, photocopiers and other office equipment with D-RAMs
相關PDF資料
PDF描述
MM1174 System Reset (with battery back-up) Monolithic IC
MM1027 System Reset (with battery back-up) Monolithic IC
MM1027NF System Reset (with battery back-up) Monolithic IC
MM1027NV System Reset (with battery back-up) Monolithic IC
MM1027XD System Reset (with battery back-up) Monolithic IC
相關代理商/技術參數
參數描述
MM-10254 功能描述:撥動開關 SEALED OI RoHS:否 制造商:C&K Components 觸點形式:DPDT 開關功能:ON - ON - ON 電流額定值: 電壓額定值 AC:20 V 電壓額定值 DC:20 V 功率額定值:0.4 VA 端接類型:V-Bracket 安裝風格: 端子密封:Epoxy 觸點電鍍:Gold 照明:Not Illuminated
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MM1027 制造商:MITSUMI 制造商全稱:Mitsumi Electronics, Corp. 功能描述:System Reset (with battery back-up) Monolithic IC
MM1027NF 制造商:MITSUMI 制造商全稱:Mitsumi Electronics, Corp. 功能描述:System Reset (with battery back-up) Monolithic IC
MM1027NV 制造商:MITSUMI 制造商全稱:Mitsumi Electronics, Corp. 功能描述:System Reset (with battery back-up) Monolithic IC
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