Datasheet > R5104V007B

R5104V007B

更新时间： 2024-09-25 03:38:39

品牌	Logo	应用领域
理光 - RICOH		微处理器
页数	文件大小	规格书
20页	794K
描述
Microprocessor power management with Watchdog Timer

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R5104V007B 数据手册

R5104V SERIES

Microprocessor power management with Watchdog Timer

NO.EA-136-070201

OUTLINE

The R5104V Series are high voltage tolerance CMOS-based microprocessor power management ICs with

high accuracy output voltage and detector threshold and with ultra low supply current. Each of these ICs consists

of a voltage regulator, a voltage detector and a watchdog timer. Thus, the R5104V Series have the function of a

power management for microprocessor, a monitor of the voltage of a power source and a microprocessor

supervisor.

The built-in voltage regulator with an external driver transistor can supply Min.1A current to a system.

Therefore these ICs are very suitable for various power supply systems for microprocessors. The output voltage

is monitored by the voltage detector which is built-in these ICs.

The built-in voltage detector has an output delay function and the delay time can be set by an external

capacitor (C^D).

The output voltage and the detector threshold voltage can be set individually for each IC by laser trimming.

Furthermore, when a microprocessor works incorrectly, the watchdog timer which checks over microprocessor

generates reset signals intermittently to prevent a whole system from being malfunction.

The timeout periods for watchdog and reset can also be set individually by an external capacitor (C^TW).

There are two kinds of power down function: "A" version turns off the supervisor of clock input for the

watchdog timer, while the "B" version turns off all the circuits and realizes the standby mode.

FEATURES

• Low supply current......................................... Typ. 60µA (IOUT=0mA)

• Standby Current (B version)........................... Typ. 0.1µA

• Output Voltage ............................................... 3.3V to 5.0V

• Detector Threshold Voltage ........................... 2.8V to 4.0V

• Maximum Operating Input Voltage................. Max. 36V

• High Accuracy Output Voltage of Voltage Regulator and Detector Threshold ..... ±2.0%

• Built-in a watchdog timer

• Timeout period for watchdog and generating a reset signal can be set by an external capacitor

• Watchdog timer can be stopped individually by CE Pin

• Power-on Reset Delay Time can be set by an external capacitor

• Small Package............................................... SSOP-10

APPLICATION

• Power source for microprocessors

12 3 4 5 6 7...20

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与R5104V007B相关器件

型号	品牌	获取价格	描述	数据表
R5104V007B-E2-F	RICOH	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDSO10, 3.10 X 6.40 MM, 0.50 MM P
R5104V007B-E2-KG	RICOH	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDSO10, HALOGEN FREE AND LEAD FRE
R5104V008A	RICOH	获取价格	Microprocessor power management with Watchdog Timer
R5104V008A-E2-F	RICOH	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDSO10, 3.10 X 6.40 MM, 0.50 MM P
R5104V008B	RICOH	获取价格	Microprocessor power management with Watchdog Timer
R5104V008B-E2-F	RICOH	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDSO10, 3.10 X 6.40 MM, 0.50 MM P
R5104V008B-E2-KG	RICOH	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDSO10, HALOGEN FREE AND LEAD FRE
R5105N	RICOH	获取价格	Microprocessor Supervisory Circuit
R5105N151A-TR-F	RICOH	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDSO6, ROHS COMPLIANT, SOT-23, 6
R5105N151C-TR	RICOH	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDSO6, 2.80 X 2.90 MM, SOT-23, 6

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