Datasheet > DS1233A-15/T&R

DS1233A-15/T&R

更新时间： 2024-11-23 14:41:51

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
5页	94K
描述
Power Supply Support Circuit, Fixed, 1 Channel, +2.72VV, CMOS, PBCY3, TO-92, 3 PIN

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技术参数
数据手册
替代型号

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DS1233A-15/T&R 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	零件包装代码：	TO-92
包装说明：	TO-92, 3 PIN	针数：	3
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	1 week
风险等级：	5.25	可调阈值：	NO
模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT	JESD-30 代码：	O-PBCY-T3
JESD-609代码：	e0	信道数量：	1
功能数量：	1	端子数量：	3
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	TO-92
封装等效代码：	SIP3,.1,50	封装形状：	ROUND
封装形式：	CYLINDRICAL	峰值回流温度（摄氏度）：	240
电源：	3.3 V	认证状态：	Not Qualified
子类别：	Power Management Circuits	最大供电电流 (Isup)：	0.05 mA
最大供电电压 (Vsup)：	5.5 V	最小供电电压 (Vsup)：	1.2 V
标称供电电压 (Vsup)：	5 V	表面贴装：	NO
技术：	CMOS	温度等级：	INDUSTRIAL
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	THROUGH-HOLE
端子节距：	1.27 mm	端子位置：	BOTTOM
阈值电压标称：	+2.72V	处于峰值回流温度下的最长时间：	20
Base Number Matches：	1

DS1233A-15/T&R 数据手册

DS1233A

3.3V EconoReset

www.maxim-ic.com

FEATURES

PIN ASSIGNMENT

. Automatically restarts microprocessor after

power failure

DALLAS

DS1233A

Econo

. Monitors pushbutton for external override

. Internal circuitry debounces pushbutton

switch

Reset

. Maintains reset for 350ms after V_CCreturns to

an in-tolerance condition or pushbutton

released

. Accurate 10% or 15% microprocessor 3.3V

power supply monitoring

. Reduces need for discrete components

. Precision temperature-compensated voltage

reference and voltage sensor

. Low-cost TO-92 package or surface mount

SOT-223 package

1 2 3

BOTTOM VIEW

TO-92 PACKAGE

TOP VIEW

SOT-223 PACKAGE

. Internal 5kpull-up resistor

. Operating temperature of -40C to +85C

PIN DESCRIPTION

PIN 1

GROUND

PIN 2

PIN 3

PIN 4

RESET

V_CC

GROUND (SOT-223 ONLY)

DESCRIPTION

The DS1233A EconoReset monitors two vital conditions for a microprocessor: power supply and external

override. A precision temperature-compensated reference and comparator circuit are used to monitor the

status of the power supply (V_CC). When an out-of-tolerance condition is detected, an internal power fail

signal is generated which forces reset to the active state. When V_CCreturns to an in-tolerance condition,

the reset signal is kept in the active state for approximately 350ms to allow the power supply and

processor to stabilize. The second function of the DS1233A is pushbutton reset control. The DS1233A

debounces a pushbutton closure and will generate a 350ms reset pulse upon release.

OPERATION — POWER MONITOR

The DS1233A provides the functions of detecting out-of-tolerance power supply conditions and warning

a processor-based system of impending power failure. When V_CCis detected as out-of-tolerance as

defined by the tolerance of the part selected, the RST signal is asserted. On power-up, RST is kept active

for approximately 350ms after the power supply has reached the selected tolerance. This allows the power

supply and microprocessor to stabilize before RST is released.

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DS1233A-15/T&R 替代型号

型号	品牌	替代类型	描述	数据表
DS1233A-15+T&R	MAXIM	完全替代	Power Supply Support Circuit, Fixed, 1 Channel, +2.72VV, CMOS, PBCY3, ROHS COMPLIANT, TO-9

与DS1233A-15/T&R相关器件

型号	品牌	获取价格	描述	数据表
DS1233A-15+T&R	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +2.72VV, CMOS, PBCY3, ROHS COMPLIANT, TO-9
DS1233AZ-10	ETC	获取价格	Voltage Detector
DS1233AZ-10/T&R	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +2.88VV, CMOS, PDSO4, SOT-223, 4 PIN
DS1233AZ-10/T&R/C03	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel,
DS1233AZ-10+T&R	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +2.88VV, CMOS, PDSO4, ROHS COMPLIANT, SOT-
DS1233AZ-15	ETC	获取价格	Voltage Detector
DS1233D	DALLAS	获取价格	5V EconoReset
DS1233D	ADI	获取价格	5V、经济型复位芯片
DS1233D-10	DALLAS	获取价格	5V EconoReset
DS1233D-10/T&R	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +4.38VV, CMOS, PBCY3, TO-92, 3 PIN

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