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參數(shù)資料
| 型號(hào)： | TL7770-5IN |
| 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)： | 5/9頁 |
| 文件大?。?/td> | 128K |
| 代理商： | TL7770-5IN |
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.
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