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參數(shù)資料
| 型號(hào)： | TL7770 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類(lèi)： | 熱敏電阻 |
| 英文描述： | THERMISTORS |
| 中文描述： | 雙電源監(jiān)事 |
| 文件頁(yè)數(shù)： | 5/9頁(yè) |
| 文件大小： | 128K |
| 代理商： | TL7770 |
TL7770-5, TL7770-12
DUAL POWER-SUPPLY SUPERVISORS
SLVS019F – OCTOBER 1987 – REVISED JULY 1999
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating conditions (unless otherwise noted)
supply supervisor section
PARAMETER
TEST
CONDITIONS
TL7770-5C
TL7770-12C
TL7770-5I
TYP
UNIT
MIN
MAX
VOH
High level output voltage
High-level output voltage
RESET
IOH = –15 mA
IOH = –20 mA
IOL = 15 mA
VCC–1.5
VCC–1.5
V
SCR DRIVE
VOL
Low-level output voltage
RESET
0.4
V
TL7770-5 (5-V sense, 1VSU)
4.46
4.64
VIT–
Undervoltage input threshold
at VSU (negative-going)
TL7770-12 (12-V sense, 1VSU)
TA= MIN to MAX
TA = MIN to MAX
10.68
11.12
V
TL7770-5, TL7770-12
(programmable sense, 2VSU)
1.47
1.53
TL7770-5 (5-V sense, 1VSU)
15
Vhys
Hysteresis at VSU
(VIT+ – VIT–)
TL7770-12 (12-V sense, 1VSU)
TA= MIN to MAX
TA = MIN to MAX
36
mV
TL7770-5, TL7770-12
(programmable sense, 2VSU)
5
VT
Overvoltage threshold at VSO
TL7770-5, TL7770-12 (VSO)
TA = MIN to MAX
VI = 5.5 V or 0.4 V
VI = 2.4 V
VO = 18 V
VO = 0
Duration = 1 ms
2.48
2.68
V
II
Input current
RESIN
–10
μ
A
VSO
0.5
2
IOH
IOL
IOH
For conditions shown as MIN or MAX, use the appropriate value specified in the recommended operating conditions.
Typical values are at VCC = 5 V, TA = 25
°
C.
total device
High-level output current
RESET
50
μ
A
μ
A
mA
Low-level output current
RESET
–50
Peak output current
SCR DRIVE
250
PARAMETER
TEST CONDITIONS
TL7770-5C
TL7770-12C
TL7770-5I
TYP
UNIT
MIN
MAX
Vres§
Power-up reset voltage
VCC = VSU
1VSU = 18 V, 2VSU = 2 V,
1RESIN and 2RESIN at VCC,
1VSO and 2VSO at 0 V
0.8
1
V
ICC
Supply current
TA = 25
°
C
5
mA
TA = MIN to MAX
6.5
For conditions shown as MIN or MAX, use the appropriate value specified in the recommended operating conditions.
Typical values are at VCC = 5 V, TA = 25
°
C.
§This is the lowest voltage at which RESET becomes active.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TL7770-12DW | DUAL POWER-SUPPLY SUPERVISORS |
| TL7770-12N | THERMISTORS |
| TL7770-12Y | THERMISTORS |
| TL7770-5IN | DUAL POWER-SUPPLY SUPERVISORS |
| TL7770-5N | DUAL POWER-SUPPLY SUPERVISORS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TL7770-12 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL POWER-SUPPLY SUPERVISORS |
| TL7770-12CDW | 功能描述:監(jiān)控電路 Dual Svs 12V & Prog w/Prg Time Delay RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| TL7770-12CDWE4 | 功能描述:監(jiān)控電路 Dual Svs 12V & Prog w/Prg Time Delay RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| TL7770-12CDWG4 | 功能描述:監(jiān)控電路 Dual Svs 12V RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| TL7770-12CDWR | 功能描述:監(jiān)控電路 Dual Power Supply RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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