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5962-9093202M2A PDF预览

5962-9093202M2A

更新时间： 2024-01-27 18:48:28
品牌 Logo 应用领域
德州仪器 - TI 电源电路电源管理电路
页数 文件大小 规格书
15页 389K
描述
DUAL POWER-SUPPLY SUPERVISORS

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5962-9093202M2A 技术参数

生命周期：Obsolete零件包装代码：QLCC
包装说明：QCCN,针数：20
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.84
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：S-CQCC-N20JESD-609代码：e0
长度：8.89 mm信道数量：2
功能数量：1端子数量：20
封装主体材料：CERAMIC, METAL-SEALED COFIRED封装代码：QCCN
封装形状：SQUARE封装形式：CHIP CARRIER
认证状态：Not Qualified筛选级别：MIL-STD-883
座面最大高度：2.03 mm最大供电电压 (Vsup)：18 V
最小供电电压 (Vsup)：3.5 V标称供电电压 (Vsup)：5 V
表面贴装：YES端子面层：TIN LEAD
端子形式：NO LEAD端子节距：1.27 mm
端子位置：QUAD宽度：8.89 mm
Base Number Matches：1

5962-9093202M2A 数据手册

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TL7770-5, TL7770-12  
DUAL POWER-SUPPLY SUPERVISORS  
SLVS019F – OCTOBER 1987 – REVISED JULY 1999  
DW OR N PACKAGE  
(TOP VIEW)  
Power-On Reset Generator  
Automatic Reset Generation After Voltage  
Drop  
V
1RESIN  
1CT  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
CC  
RESET Defined When V  
Exceeds 1 V  
2RESIN  
CC  
2CT  
1RESET  
1RESET  
1VSU  
Wide Supply-Voltage Range . . . 3.5 V  
to 18 V  
2RESET  
2RESET  
2VSU  
Precision Overvoltage and Undervoltage  
Sensing  
1VSO  
2VSO  
2SCR DRIVE  
1SCR DRIVE  
GND  
250-mA Peak Output Current for Driving  
SCR Gates  
2-mA Active-Low SCR Gate Drive for  
False-Trigger Protection  
Temperature-Compensated Voltage  
Reference  
True and Complementary Reset Outputs  
Externally Adjustable Output Pulse  
Duration  
description  
The TL7770 is an integrated-circuit system supervisor designed for use as a reset controller in microcomputer  
and microprocessor power-supply systems. This device contains two independent supply-voltage supervisors  
that monitor the supplies for overvoltage and undervoltage conditions at the VSO and VSU terminals,  
respectively. When V attains the minimum voltage of 1 V during power up, the RESET output becomes active  
CC  
(low). As V approaches 3.5 V, the time-delay function activates, latching RESET and RESET active (high and  
CC  
low, respectively) for a time delay (t ) after system voltages have achieved normal levels. Above V  
= 3.5 V,  
d
CC  
taking RESIN low activates the time-delay function during normal system-voltage levels. To ensure that the  
microcomputer system has reset, the outputs remain active until the voltage at VSU exceeds the threshold  
value, V , for a time delay, which is determined by an external timing capacitor such that:  
IT+  
td  
20 103 capacitance  
where t is in seconds and capacitance is in farads.  
d
Theovervoltage-detectioncircuitisprogrammableforawiderangeofdesigns. Duringanovervoltagecondition,  
an internal silicon-controlled rectifier (SCR) is triggered, providing 250-mA peak instantaneous current and  
25-mA continuous current to the SCR gate drive terminal, which can drive an external high-current SCR gate  
or an overvoltage-warning circuit.  
The TL7770C series is characterized for operation from 0°C to 70°C. The TL7770I series is characterized for  
operation from –40°C to 85°C.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 1999, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...15

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