Datasheet

TL7757
SUPPLY-VOLTAGE SUPERVISOR
AND PRECISION VOLTAGE DETECTOR
SLVS041I − SEPTEMBER 1991 − REVISED AUGUST 2003
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
5.5 V
+
−
15 V
A
TL7757
V
CC
RESET
GND
Figure 1. Test Circuit for Output Leakage Current
NOTE A: Includes jig and probe capacitance
V
CC
TL7757
RESET
GND
Pulse
Generator
R
L
= 1 kΩ
OUT
C
L
= 100 pF
(see Note A)
0.1 mF
Figure 2. Test Circuit for RESET Output Switching Characteristics
NOTE A: V
CC
slew rate ≤ 5 µs
RESET
4.8 V
V
IT+
V
IT−
V
CC
(see Note A)
4.3 V
t
PLH
t
PHL
90%
50%
10%
90%
50%
10%
t
r
t
f
Figure 3. Switching Diagram