TL7757 Datasheet, PDF (6/11 Pages) Texas Instruments – SUPPLY-VOLTAGE SUPERVISOR AND PRECISION VOLTAGE DETECTOR

TL7757
SUPPLY-VOLTAGE SUPERVISOR
AND PRECISION VOLTAGE DETECTOR
SLVS041E – SEPTEMBER 1991 – REVISED JULY 1999
PARAMETER MEASUREMENT INFORMATION
+
5.5 V
–
VCC
TL7757
RESET
15 V
A
GND
Figure 1. Test Circuit for Output Leakage Current
Pulse
Generator
0.1 mF
VCC
TL7757
RESET
GND
RL = 1 kΩ
OUT
CL = 100 pF
(see Note A)
NOTE A: Includes jig and probe capacitance.
Figure 2. Test Circuit for RESET Output Switching Characteristics
VCC
(see Note A)
4.8 V
VIT ₊
4.3 V
tPLH
RESET
90%
50%
10%
VIT _–
tPHL
90%
50%
10%
tr
tf
NOTE A: VCC slew rate ≤ 5 µs
Figure 3. Switching Diagram
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