TL7702-705-733B Datasheet, PDF (4/9 Pages) Texas Instruments – SUPPLY-VOLTAGE SUPERVISORS

TL7702B, TL7705B, TL7733B
SUPPLY-VOLTAGE SUPERVISORS
SLVS037L – SEPTEMBER 1989 – REVISED MAY 2002
electrical characteristics over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS^†
TL77xxBC
TL77xxBI
TL7705BQ
UNIT
MIN
TYP MAX
VOH
VOL
Vref
High-level output voltage, RESET
Low-level output voltage, RESET
Reference voltage, REF
TL7702B
IOH = –16 mA
IOL = 16 mA
Iref = 500 µA,
TA = 25°C
VCC–1.5
V
0.4 V
2.48
2.53 2.58 V
2.505
2.53 2.555
VIT_–
Negative-going
input threshold voltage
at SENSE input
TL7705B
TL7733B
TL7702B
TL7705B
TL7733B
TA = 25°C
TA = full range^‡
4.5
4.55 4.6
3.03
3.08 3.13
V
2.48
2.53 2.58
4.45
4.55 4.65
3
3.08 3.16
Vhys
Hysteresis, SENSE
(VIT+ – VIT_–)
TL7702B
TL7705B
TL7733B
VCC = 3.6 V to 18 V,
TA = 25°C
10
30
mV
10
Vres^§ Power-up reset voltage
IOL at RESET = 2 mA, TA = 25°C
1V
II
Input current
RESIN
SENSE
TL7702B
VI = 0.4 V to VCC
VI = Vref to 18 V
–10
µA
–0.1
–2
IOH High-level output current, RESET
VO = 18 V,
See Figure 1
50 µA
IOL
Low-level output current, RESET
VO = 0 V,
See Figure 1
–50 µA
ICC Supply current
VSENSE = 15 V,
VCC = 18 V,
RESIN ≥ 2 V
TA = full range^‡
1.8
3
mA
3.5
† _{All electrical characteristics are measured with 0.1-µF capacitors connected at REF, CT, and VCC 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
tPLH
tPHL
Propagation delay time from
low- to high-level output
Propagation delay time from
high- to low-level output
tw
Effective pulse duration
tr
Rise time
tf
Fall time
tr
Rise time
tf
Fall time
RESIN
RESIN
RESIN
SENSE
RESET
RESET
RESET
RESET
See Figures 1, 2, and 3
See Figures 1, 2, and 3
See Figure 2
See Figures 1 and 3
See Figures 1 and 3
TL77xxBC
TL77xxBI
TL7705BQ
MIN TYP MAX
UNIT
270 500 ns
270 500 ns
150
ns
100
75
ns
150 200
75 150
ns
50
4
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