TL7757_14 Datasheet, PDF (3/20 Pages) Texas Instruments – SUPPLY-VOLTAGE SUPERVISOR AND PRECISION VOLTAGE DETECTOR

recommended operating conditions
V_CC
Supply voltage
V_OH
High-level output voltage
I_OL
Low-level output current
T_A
Operating free-air temperature
TL7757
SUPPLY-VOLTAGE SUPERVISOR
AND PRECISION VOLTAGE DETECTOR
SLVS041I − SEPTEMBER 1991 − REVISED AUGUST 2003
TL7757C
TL7757I
MIN MAX UNIT
1
7V
15 V
20 mA
0
70
°C
−40
85
electrical characteristics at specified free-air temperature
PARAMETER
TEST CONDITIONS
TL7757C
T_A
MIN TYP MAX
V_IT−
Negative-going input threshold voltage at V_CC
25°C
0°C to 70°C
4.43 4.55 4.67
4.4
4.7
V_hys† Hysteresis at V_CC
25°C
0°C to 70°C
40
50
60
30
70
V_OL
Low-level output voltage
I_OL = 20 mA, V_CC = 4.3 V
25°C
0°C to 70°C
0.4 0.8
0.8
I_OH
High-level output current
V_CC = 7 V,
V_OH = 15 V,
See Figure 1
25°C
0°C to 70°C
1
1
V_res‡ Power-up reset voltage
R_L = 2.2 kΩ,
V_CC slew rate ≤ 5 V/µs
25°C
0°C to 70°C
0.8
1
1.2
I_CC
Supply current
V_CC = 4.3 V
25°C
0°C to 70°C
1400 2000
2000
V_CC = 5.5 V
0°C to 70°C
40
† _{This is the difference between positive-going input threshold voltage, VIT+, and negative-going input threshold voltage, VIT−.}
‡ _{This is the lowest voltage at which RESET becomes active.}
UNIT
V
mV
V
µA
V
µA
switching characteristics at specified free-air temperature
PARAMETER
Propagation delay time, low-to-high-level
t_PLH
output
Propagation delay time, high-to-low-level
t_PHL
output
t_r
Rise time
t_f
Fall time
t_w(min)
Minimum pulse duration at V_CC for output
response
TEST CONDITIONS
V_CC slew rate ≤ 5 V/µs,
See Figures 2 and 3
See Figures 2 and 3
V_CC slew rate ≤ 5 V/µs,
See Figures 2 and 3
See Figures 2 and 3
T_A
25°C
0°C to 70°C
25°C
0°C to 70°C
25°C
0°C to 70°C
25°C
0°C to 70°C
25°C
0°C to 70°C
TL7757C
MIN TYP MAX
3.4
5
5
2
5
5
0.4
1
1
0.05
1
1
5
5
UNIT
µs
µs
µs
µs
µs
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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