Datasheet
TL7702B, TL7705B, TL7733B
SUPPLY-VOLTAGE SUPERVISORS
SLVS037M – SEPTEMBER 1989 – REVISED MAY 2003
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
†
TL7705BM
UNIT
PARAMETER
TEST
CONDITIONS
†
MIN TYP MAX
UNIT
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
T
A
=25°C
2.505 2.53 2.555
V
IT
Negative-going
in
p
ut threshold voltage
TL7705B
T
A
=
25°C
4.5 4.55 4.6
V
V
IT–
i
npu
t
th
res
h
o
ld
vo
lt
age
a
t
S
EN
S
E inp
u
t
TL7702B
T 55°Cto125°C
2.48 2.53 2.58
V
at
SENSE
in ut
TL7705B
T
A
= –
55°C
t
o
125°C
4.45 4.55 4.65
V
h
H
y
steresis, SENSE
TL7702B
V
CC
=36Vto18V
T
A
=25°C
10
mV
V
hys
y,
(V
IT+
– V
IT–
)
TL7705B
V
CC
=
3
.
6
V
to
18
V
,
T
A
=
25°C
30
mV
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 V
CC
– 1.5 V –0.1 –2
µ
A
I
OH
High-level output current, RESET V
O
= 18 V 50 µA
I
OL
Low-level output current, RESET V
O
= 0 –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
= –55°C to 125°C
4
mA
†
All electrical characteristics are measured with 0.1-µF capacitors connected at REF, CT, and V
CC
to GND.
‡
This is the lowest value at which RESET
becomes active.
switching characteristics, V
CC
= 5 V, C
T
open, T
A
= 25°C
PARAMETER
FROM TO
TEST CONDITIONS
TL7705BM
UNIT
PARAMETER
(INPUT) (OUTPUT)
TEST
CONDITIONS
MIN TYP MAX
UNIT
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
* On products compliant to MIL-PRF-38535, these parameters are not production tested.
The TL7705BM is obsolete
and no longer is supplied.