參數(shù)資料
型號(hào)： TL7757ILPRE3
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBCY3
封裝： ROHS COMPLIANT, PLASTIC, TO-226, TO-92, 3 PIN
文件頁數(shù)： 18/19頁
文件大?。?/td> 626K
代理商： TL7757ILPRE3
TL7757
SUPPLY VOLTAGE SUPERVISOR
AND PRECISION VOLTAGE DETECTOR
SLVS041I SEPTEMBER 1991 REVISED AUGUST 2003
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 10
4.55
4.54
4.52
4.51
4.5
4.59
4.53
100
50
0
50
4.57
4.56
4.58
INPUT THRESHOLD VOLTAGE
(NEGATIVE-GOING VCC)
vs
FREE-AIR TEMPERATURE
4.6
100
150
RL = 0
TA Free-Air Temperature °C
VIT
Input
Threshold
V
oltage
V
IT
900
850
800
750
100
50
0
100
950
POWER-UP RESET VOLTAGE
vs
FREE-AIR TEMPERATURE
1000
150
50
700
650
600
V
res
Power-Up
Reset
V
oltage
mV
V
res
TA Free-Air Temperature °C
RL = 2.2 k
Figure 11
.5
0
0.5
1
0
0.5
1
1.5
POWER-UP RESET VOLTAGE
AND SUPPLY VOLTAGE
vs
TIME
2
1.5
2
2.5
3
VCC
t Time
s
TA = 25°C
RL = 2.2 k
RESET
,
RESET
V
oltage
and
Supply
V
o
ltage
V
res
V
CC
Figure 12
2
1
0
1
3
4
PROPAGATION DELAY TIME
5
6
02
4
6
8
10
12
14
16
TA = 25°C
RL = 2.2 k
VCC
RESET
t Time
s
18
V
oltage
V
Figure 13
Data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of the various devices.
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