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參數(shù)資料
| 型號： | TL7759Y |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | SUPPLY-VOLTAGE SUPERVISORS |
| 中文描述： | 電源電壓監(jiān)事 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大小： | 87K |
| 代理商： | TL7759Y |
TL7759
SUPPLY-VOLTAGE SUPERVISORS
SLVS042D – JANUARY 1991 – REVISED JULY 1999
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, T
A
= 25
°
C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TL7759Y
UNIT
MIN
TYP
MAX
VOL
VIT–
Vres
Vhys
ICC
This is the lowest voltage at which RESET becomes active, VCC slew rate
≤
5 V/
μ
s.
This is the difference between positive-going input threshold voltage, VIT+, and negative-going input threshold voltage, VIT–.
Low-level output voltage
RESET
VCC = 4.3 V,
IOL = 24 mA
0.4
V
Input threshold voltage (negative-going VCC)
Power-up reset voltage
4.55
V
RL = 2.2 k
0.8
V
Hysteresis at VCC input
Supply current
50
mV
μ
A
VCC = 4.3 V,
No load
1400
timing diagram
VIT –
Vres
0
RESET
0
Vres
VCC
VIT+
Output Undefined
for VCC Less Than 1 V
Output Undefined
VIT+
VIT–
switching characteristics at T
A
= 25
°
C (unless otherwise noted)
PARAMETER
FROM
(INPUT)
TO
TEST CONDITIONS
TL7759C
MIN
UNIT
(OUTPUT)
MAX
tPLH
tPHL
tr
tf
tw(min)
§VCC slew rate
≤
5 V/
μ
s
Propagation delay time, low-to high-level output
VCC
VCC
RESET
See Figures 2 and 3§
5
μ
s
Propagation delay time, high-to low-level output
RESET
See Figures 2 and 4
See Figures 2 and 4§
5
μ
s
Rise time
RESET
1
μ
s
Fall time
RESET
See Figures 2 and 4
1
μ
s
Minimum pulse duration
VCC
RESET
See Figures 2 and 4
5
μ
s
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