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參數(shù)資料
| 型號： | 5962-9093201MEA |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, CDIP16 |
| 封裝： | CERAMIC, DIP-16 |
| 文件頁數(shù)： | 15/19頁 |
| 文件大?。?/td> | 603K |
| 代理商： | 5962-9093201MEA |
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
UNIT
CONDITIONS
MIN
TYP
MAX
VOH
High level output voltage
RESET
IOH = –15 mA
VCC–1.5
V
VOH
High-level output voltage
SCR DRIVE
IOH = –20 mA
VCC–1.5
V
VOL
Low-level output voltage
RESET
IOL = 15 mA
0.4
V
TL7770-5 (5-V sense, 1VSU)
4.46
4.64
VIT
Undervoltage input threshold
TL7770-12 (12-V sense, 1VSU)
TA = MIN to MAX
10.68
11.12
V
VIT–
at VSU (negative-going)
TL7770-5, TL7770-12
(programmable sense, 2VSU)
TA = MIN to MAX
1.47
1.53
V
TL7770-5 (5-V sense, 1VSU)
15
Vhys
Hysteresis at VSU
TL7770-12 (12-V sense, 1VSU)
TA = MIN to MAX
36
mV
Vhys
(VIT+ – VIT–)
TL7770-5, TL7770-12
(programmable sense, 2VSU)
TA = MIN to MAX
5
mV
VT
Overvoltage threshold at VSO
TL7770-5, TL7770-12 (VSO)
TA = MIN to MAX
2.48
2.68
V
II
Input current
RESIN
VI = 5.5 V or 0.4 V
–10
A
II
Input current
VSO
VI = 2.4 V
0.5
2
A
IOH
High-level output current
RESET
VO = 18 V
50
A
IOL
Low-level output current
RESET
VO = 0
–50
A
IOH
Peak output current
SCR DRIVE
Duration = 1 ms
250
mA
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
PARAMETER
TEST CONDITIONS
TL7770-5C
TL7770-12C
TL7770-5I
UNIT
MIN
TYP
MAX
Vres§
Power-up reset voltage
VCC = VSU
0.8
1
V
ICC
Supply current
1VSU = 18 V, 2VSU = 2 V,
1RESIN and 2RESIN at VCC
TA = 25°C
5
mA
ICC
Supply current
1RESIN and 2RESIN at VCC,
1VSO and 2VSO at 0 V
TA = MIN to MAX
6.5
mA
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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| TL7770-5CN | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP16 |
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| TL7770-12MJB | 2-CHANNEL POWER SUPPLY SUPPORT CKT, CDIP16 |
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