參數(shù)資料
型號(hào)： TL7702-705-733B
廠商： Texas Instruments, Inc.
英文描述： SUPPLY-VOLTAGE SUPERVISORS
中文描述： 電源電壓監(jiān)事
文件頁(yè)數(shù)： 4/9頁(yè)
文件大?。?/td> 138K
代理商： TL7702-705-733B
TL7702B, TL7705B, TL7733B
SUPPLY-VOLTAGE SUPERVISORS
SLVS037L
–
SEPTEMBER 1989
–
REVISED MAY 2002
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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
IOH =
–
16 mA
IOL = 16 mA
Iref = 500
μ
A,
VCC
–
1.5
V
Low-level output voltage, RESET
0.4
V
Reference voltage, REF
TA = 25
°
C
2.48
2.53
2.58
V
TL7702B
2.505
2.53
2.555
TL7705B
TA = 25
°
C
4.5
4.55
4.6
VIT
–
Negative-going
input threshold voltage
at SENSE input
at SENSE in ut
TL7733B
3.03
3.08
3.13
V
TL7702B
TL7705B
2.48
4.45
2.53
4.55
2.58
4.65
TA = full range
TL7733B
TL7702B
3
3.08
10
3.16
Hysteresis, SENSE
(VIT+
–
VIT)
–
)
Vhys
TL7705B
VCC = 3.6 V to 18 V,
TA = 25
°
C
30
mV
TL7733B
10
Vres
§
Power-up reset voltage
IOL at RESET = 2 mA,
VI = 0.4 V to VCC
VI = Vref to 18 V
VO = 18 V,
VO = 0 V,
VSENSE = 15 V,
VCC = 18 V,
TA = 25
°
C
1
V
II
Input current
RESIN
–
10
μ
A
SENSE
TL7702B
–
0.1
–
2
IOH
IOL
High-level output current, RESET
See Figure 1
50
μ
A
μ
A
Low-level output current, RESET
See Figure 1
RESIN
≥
2 V
TA = full range
–
50
ICC
Supply current
1.8
3
mA
3.5
All electrical characteristics are measured with 0.1-
μ
F 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
TL77xxBC
TL77xxBI
TL7705BQ
UNIT
MIN
TYP
MAX
tPLH
Propagation delay time from
low- to high-level output
RESIN
RESET
See Figures 1, 2, and 3
270
500
ns
tPHL
Propagation delay time from
high- to low-level output
RESIN
RESET
See Figures 1, 2, and 3
270
500
ns
tw
Effective pulse duration
RESIN
SENSE
See Figure 2
150
ns
100
tr
tf
tr
tf
Rise time
RESET
See Figures 1 and 3
75
ns
Fall time
150
200
Rise time
Fall time
RESET
See Figures 1 and 3
75
150
50
ns
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