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參數資料
型號: TL7702BCDRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: GREEN, PLASTIC, SOIC-8
文件頁數: 1/21頁
文件大小: 640K
代理商: TL7702BCDRG4
TL7702B, TL7705B, TL7733B
SUPPLY-VOLTAGE SUPERVISORS
SLVS037M – SEPTEMBER 1989 – REVISED MAY 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Power-On Reset Generator
D Automatic Reset Generation After
Voltage Drop
D RESET Output Defined From VCC ≥ 1 V
D Precision Voltage Sensor
D Temperature-Compensated Voltage
Reference
D True and Complement Reset Outputs
D Externally Adjustable Pulse Duration
32 1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
NC
SENSE
NC
RESET
NC
RESIN
NC
CT
NC
TL7705BM ...FK PACKAGE
(TOP VIEW)
NC
REF
NC
RESET
NC
V
NC
GND
NC
CC
1
2
3
4
8
7
6
5
REF
RESIN
CT
GND
VCC
SENSE
RESET
TL77xxBC ...D OR P PACKAGE
TL7705BM . . . JG PACKAGE
TL7705BQ ...D PACKAGE
(TOP VIEW)
1
2
3
4
5
10
9
8
7
6
NC
REF
RESIN
CT
GND
NC
VCC
SENSE
RESET
TL7705BM ...U PACKAGE
(TOP VIEW)
NC – No internal connection
description/ordering information
The TL7702B, TL7705B, and TL7733B are integrated-circuit supply-voltage supervisors designed for use as
reset controllers in microcomputer and microprocessor systems. The supply-voltage supervisor monitors the
supply for undervoltage conditions at the SENSE input. During power up, the RESET output becomes active
(low) when VCC attains a value approaching 1 V. As VCC approaches 3 V (assuming that SENSE is above VT+),
the delay-timer function activates a time delay, after which outputs RESET and RESET go inactive (high and
low, respectively). When an undervoltage condition occurs during normal operation, outputs RESET and
RESET go active. To ensure that a complete reset occurs, the reset outputs remain active for a time delay after
the voltage at the SENSE input exceeds the positive-going threshold value. The time delay is determined by
the value of the external capacitor CT: td ≈ 2.6 × 104 × CT, where CT is in farads (F) and td is in seconds (s).
An external capacitor (typically 0.1
F) must be connected to REF to reduce the influence of fast transients in
the supply voltage.
The TL7702BC, TL7705BC, and TL7733BC are characterized for operation from 0
°C to 70°C. The TL7702BI,
TL7705BI, and TL7733BI are characterized for operation from –40
°C to 85°C. The TL7705BQ is characterized
for operation from –40
°C to 125°C. The TL7705BM is characterized for operation from –55°C to 125°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.
The TL7705BM is obsolete
and no longer is supplied.
Copyright
2003, 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.
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
相關PDF資料
PDF描述
TL7705BCDE4 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
TL7705BMJGB 1-CHANNEL POWER SUPPLY SUPPORT CKT, CDIP8
TL7705BQDRG4 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
TL7702BMUB 1-CHANNEL POWER SUPPLY SUPPORT CKT, CDFP10
TL7705BQP 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8
相關代理商/技術參數
參數描述
TL7702BCP 功能描述:監控電路 2.53V Monitor RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲(典型值):10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TL7702BCPE4 功能描述:監控電路 Sngl SVS W/Prg UV Th & Reset Time Delay RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲(典型值):10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TL7702BID 功能描述:監控電路 2.53V Monitor RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲(典型值):10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TL7702BIDE4 功能描述:監控電路 Sngl SVS W/Prg UV Th & Reset Time Delay RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲(典型值):10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TL7702BIDG4 功能描述:監控電路 Single SVS RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲(典型值):10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
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