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TL7705BID 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
电源监控芯片
封装:
SOIC-8
描述:
TEXAS INSTRUMENTS TL7705BID 电压监控器, 高电平有效, 低电平有效复位, 3.6V-18V输入, SOIC-8
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TL7705BID数据手册
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TL7702B, TL7705B, TL7733B
SUPPLY-VOLTAGE SUPERVISORS
SLVS037M – SEPTEMBER 1989 – REVISED MAY 2003
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
†
TL77xxBC
TL77xxBI
TL7705BQ
UNIT
MIN TYP MAX
V
OH
High-level output voltage, RESET I
OH
= –16 mA V
CC
–1.5 V
V
OL
Low-level output voltage, RESET I
OL
= 16 mA 0.4 V
V
ref
Reference voltage, REF I
ref
= –500 µA, T
A
= 25°C 2.48 2.53 2.58 V
TL7702B 2.505 2.53 2.555
TL7705B
T
A
= 25°C
4.5 4.55 4.6
V
IT
Negative-going
in
p
ut threshold voltage
TL7733B 3.03 3.08 3.13
V
V
IT–
i
npu
t
th
res
h
o
ld
vo
lt
age
a
t
S
EN
S
E inp
u
t
TL7702B
‡
2.48 2.53 2.58
V
at
SENSE
in ut
TL7705B
T
A
= full range
‡
4.45 4.55 4.65
TL7733B
A
g
3 3.08 3.16
H t i SENSE
TL7702B 10
V
h
y
s
Hysteresis, SENSE
(V
IT+
–
V
IT
)
TL7705B
V
CC
= 3.6 V to 18 V, T
A
= 25°C
30
mV
y
(V
IT
+
–
V
IT
–
)
TL7733B 10
V
res
§
Power-up reset voltage I
OL
at RESET = 2 mA, T
A
= 25°C 1 V
I
I
In
p
ut current
RESIN V
I
= 0.4 V to V
CC
–10
µA
I
I
Input
current
SENSE TL7702B V
I
= V
ref
to 18 V –0.1 –2
µ
A
I
OH
High-level output current, RESET V
O
= 18 V, See Figure 1 50 µA
I
OL
Low-level output current, RESET V
O
= 0 V, See Figure 1 –50 µA
I
CC
Su
pp
ly current
V
SENSE
= 15 V, RESIN ≥ 2 V 1.8 3
mA
I
CC
Supply
current
V
CC
= 18 V, T
A
= full range
‡
3.5
mA
†
All electrical characteristics are measured with 0.1-µF capacitors connected at REF, CT, and V
CC
to GND.
‡
Full range is 0°C to 70°C for the C-suffix devices, –40°C to 85°C for the I-suffix devices, and –40°C to 125°C for the Q-suffix device.
§
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
TL77xxBC
TL77xxBI
TL7705BQ
UNIT
()
()
MIN TYP MAX
t
PLH
Propagation delay time from
low- to high-level output
RESIN RESET See Figures 1, 2, and 3 270 500 ns
t
PHL
Propagation delay time from
high- to low-level output
RESIN RESET See Figures 1, 2, and 3 270 500 ns
t
Effective
p
ulse duration
RESIN
See Figure 2
150
ns
t
w
Effective
pulse
duration
SENSE
See
Figure
2
100
ns
t
r
Rise time
RESET
See Figures 1 and 3
75
ns
t
f
Fall time
RESET
See
Figures
1
and
3
150 200
ns
t
r
Rise time
RESET
See Figures 1 and 3
75 150
ns
t
f
Fall time
RESET
See
Figures
1
and
3
50
ns
The TL7705BM is obsolete
and no longer is supplied.
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