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參數(shù)資料
| 型號： | TL7705BMFK |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, CQCC20 |
| 封裝： | CC-20 |
| 文件頁數(shù)： | 5/9頁 |
| 文件大?。?/td> | 138K |
| 代理商： | TL7705BMFK |
TL7702B, TL7705B, TL7733B
SUPPLY-VOLTAGE SUPERVISORS
SLVS037L
–
SEPTEMBER 1989
–
REVISED MAY 2002
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TL7705BM
MIN
UNIT
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
TA= 25
TA = 25
°
C
2.505
2.53
2.555
VIT
–
Negative-going
input threshold voltage
at SENSE input
at SENSE in ut
TL7705B
4.5
4.55
4.6
V
TL7702B
TL7705B
TA =
–
55
°
C to 125
°
C
2.48
4.45
2.53
4.55
2.58
4.65
Vhys
Hysteresis, SENSE
(VIT+
–
VIT
–
)
TL7702B
VCC= 3 6 V to 18 V
VCC = 3.6 V to 18 V,
TA= 25
TA = 25
°
C
10
mV
TL7705B
30
Vres
Power-up reset voltage
IOL at RESET = 2 mA,
VI = 0.4 V to VCC
VI = Vref to VCC
–
1.5 V
VO = 18 V
VO = 0
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
50
μ
A
μ
A
Low-level output current, RESET
–
50
ICC
Supply current
RESIN
≥
2 V
TA =
–
55
°
C to 125
°
C
1.8
3
mA
4
All electrical characteristics are measured with 0.1-
μ
F capacitors connected at REF, CT, and VCC to GND.
This is the lowest value at which RESET becomes active.
switching characteristics, V
CC
= 5 V, C
T
open, T
A
= 25
°
C
PARAMETER
FROM
(INPUT)
TO
TEST CONDITIONS
TL7705BM
MIN
UNIT
(OUTPUT)
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
* On products compliant to MIL-PRF-38535, these parameters are not production tested.
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