Datasheet > TC54VN5402ECBTR

TC54VN5402ECBTR

更新时间： 2024-01-27 19:18:12

品牌	Logo	应用领域
美国微芯 - MICROCHIP		光电二极管
页数	文件大小	规格书
3页	27K
描述
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3, EIAJ, SC-59, SOT-23A, 3 PIN

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TC54VN5402ECBTR 技术参数

生命周期：	Transferred	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.56
可调阈值：	NO	模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：	R-PDSO-G3	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	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	认证状态：	Not Qualified
最大供电电压 (Vsup)：	10 V	最小供电电压 (Vsup)：	0.7 V
标称供电电压 (Vsup)：	2.1 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子位置：	DUAL
Base Number Matches：	1

TC54VN5402ECBTR 数据手册

APPLICATION NOTE 2

USING THE TELCOM TC54

VOLTAGEDETECTOR

USING THE TELCOM TC54

VOLTAGE DETECTOR

AN-2

INTRODUCTION

OPERATION

TelCom's TC54 series of voltage detectors are de-

signedtosupersedeavarietyofdiscretecomparatorcircuits

and bipolar technology voltage detectors.

The TC54VN equivalent circuit is shown in Figure 1.

The internal precision temperature-compensated reference

and comparator circuit consistently monitor V_INfor an under-

voltagecondition. Whensuchaconditionoccurs, theoutput

isforcedtotheactive(LOW)stateandremainsthereuntilV_IN

is once again within tolerance. As shown in the timing

diagram of Figure 1, the output is forced active when V_IN<

(–V_DET) (Where (–V_DET) is the threshold voltage) and returns

HIGH when V_INexceeds (–V_DET) plus 5% hysteresis (ex-

ample: if (–V_DET) = 2.0V, the output will go HIGH when V_IN>

2.1V).

These voltage detectors are especially suited for appli-

cation in battery powered systems because of their ex-

tremely low 1µA operating current. Each part is laser

programmed to the desired trip point voltage over the range

of 0.8V to 6.0V in 100mV steps. For complete design

flexibility, complementary or open-drain output versions are

available. TC54 package options include surface mount

SOT-23 and SOT-89 or through-hole TO-92 types.

TC54 BLOCK DIAGRAM AND TIMING

TC54VC only

INPUT VOLTAGE

RELEASE

VOLTAGE (+ V_DET

)

HYSTERESIS

VOLTAGE

DETECT VOLTAGE (- V_DET

)

MINIMUM OPERATING

VOLTAGE

GROUND LEVEL

OUT

–

OUTPUT VOLTAGE

GROUND LEVEL

REF

Figure 1.

TC54 AS A MICROPROCESSOR RESET

GENERATOR

Following a power outage, microprocessors require a

reset to get them back into their starting state. Commonly

used simple Schmitt trigger/capacitor circuits are inad-

equate since they do not accurately monitor the power

supply voltage tolerance. The TC54 series overcomes this

problem with precise voltage detection. Figure 2 shows a

reset circuit using a standard TC54 and external RC time

constant, replacing bipolar integrated voltage detectors

(see Table 1).

OUT

Microprocessor

Circuit

TC54VN

Figure 2. Microprocessor Reset Circuit using TC54

and External Delay

AN2-2 8/22/97

12 3

中文翻译

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与TC54VN5402ECBTR相关器件

型号	品牌	获取价格	描述	数据表
TC54VN5402EMB	TELCOM	获取价格	VOLTAGE DETECTOR
TC54VN5402EMB	MICROCHIP	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PSSO3, SOT-89, 3 PIN
TC54VN5402EMB713	MICROCHIP	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +5.4VV, CMOS, PSSO3,
TC54VN5402EMB723	MICROCHIP	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PSSO3, SOT-89, 3 PIN
TC54VN5402EMBRT	MICROCHIP	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PSSO3, SOT-89, 3 PIN
TC54VN5402EMBRTP	TELCOM	获取价格	VOLTAGE DETECTOR
TC54VN5402EMBSTP	TELCOM	获取价格	VOLTAGE DETECTOR
TC54VN5402EZB	TELCOM	获取价格	VOLTAGE DETECTOR
TC54VN5402EZB	MICROCHIP	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PBCY3, TO-92, 3 PIN
TC54VN5402EZB713	MICROCHIP	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PBCY3

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