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參數(shù)資料
| 型號： | TL7770-5Y |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | DUAL POWER-SUPPLY SUPERVISORS |
| 中文描述： | 雙電源監(jiān)事 |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 128K |
| 代理商： | TL7770-5Y |
TL7770-5, TL7770-12
DUAL POWER-SUPPLY SUPERVISORS
SLVS019F – OCTOBER 1987 – REVISED JULY 1999
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating conditions (unless otherwise noted)
supply supervisor section
PARAMETER
TEST
CONDITIONS
TL7770-5Y
TL7770-12Y
TYP
4.46
UNIT
MIN
MAX
4.64
TL7770-5 (5-V sense, 1VSU)
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
II
Overvoltage threshold at VSO
TL7770-5, TL7770-12 (VSO)
TA = MIN to MAX
VI = 2.4 V
2.48
2.68
V
μ
A
Input current
VSO
0.5
Typical values are at VCC = 5 V, TA = 25
°
C.
total device
PARAMETER
TEST CONDITIONS
TL7770-5Y
TL7770-12Y
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
VOL = 0.4 V, IOL = 1 mA
0.8
V
ICC
Supply current
TA = 25
°
C
5
mA
Typical values are at VCC = 5 V, TA = 25
°
C.
This is the lowest voltage at which RESET becomes active.
switching characteristics, V
CC
= 5 V, C
T
open, T
A
= 25
°
C
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
tPLH
tPHL
tr
tf
tr
tf
Propagation delay time, low-to-high-level output
RESIN
RESET
270
500
ns
Propagation delay time, high-to-low-level output
RESIN
RESET
270
500
ns
Rise time
RESET
See Figures 1
and 3
75
ns
Fall time
150
Rise time
RESET
75
ns
Fall time
50
tw(min)
Minimum effective pulse duration
Minimum effective ulse duration
RESIN
VSU
See Figure 2a
150
ns
See Figure 2b
100
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|---|---|
| TL7770-5DW | DUAL POWER-SUPPLY SUPERVISORS |
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| TL780-05CKTE | POSITIVE-VOLTAGE REGULATORS |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TL7770C | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL POWER-SUPPLY SUPERVISORS |
| TL7770I | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL POWER-SUPPLY SUPERVISORS |
| TL77-7F-10 | 制造商:DBLECTRO 制造商全稱:DB Lectro Inc 功能描述:PCB PLUG-IN TRANSFORMER |
| TL77-7F-12 | 制造商:DBLECTRO 制造商全稱:DB Lectro Inc 功能描述:PCB PLUG-IN TRANSFORMER |
| TL77-7F-120 | 制造商:DBLECTRO 制造商全稱:DB Lectro Inc 功能描述:PCB PLUG-IN TRANSFORMER |
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