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參數(shù)資料
| 型號： | TL7759Y |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | SUPPLY-VOLTAGE SUPERVISORS |
| 中文描述： | 電源電壓監(jiān)事 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大?。?/td> | 87K |
| 代理商： | TL7759Y |
TL7759
SUPPLY-VOLTAGE SUPERVISORS
SLVS042D – JANUARY 1991 – REVISED JULY 1999
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
CC
(see Note 1)
Off-state output voltage range: RESET voltage
20 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RESET voltage
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low-level output current, I
OL
(RESET)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High-level output current, I
OH
(RESET)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance,
θ
JA
(see Notes 2 and 3): D package
–0.3 V to 20 V
–0.3 V to 20 V
30 mA
–10 mA
97
°
C/W
127
°
C/W
149
°
C/W
260
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
PW package
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
P package
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
Storage temperature range, T
stg
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. All voltage values are with respect to the network ground terminal.
2. Maximum power dissipation is a function of TJ(max),
θ
JA, and TA. The maximum allowable power dissipation at any allowable
ambient temperature is PD = (TJ(max) – TA)/
θ
JA. Operating at the absolute maximum TJ of 150
°
C can impact reliability.
3. The package thermal impedance is calculated in accordance with JESD 51, except for through-hole packages, which use a trace
length of zero.
–65
°
C to 150
°
C
recommended operating conditions
MIN
MAX
UNIT
Supply voltage, VCC
1
7
V
Output voltage VO(see Note 4)
Output voltage, VO (see Note 4)
Transistor off RESET voltage
Transistor off RESET voltage
15
V
0
Low-level output current, IOL
High-level output current, IOH
Operating free-air temperature, TA
NOTE 4: RESET output must not be pulled down below GND potential.
RESET
RESET
24
mA
–8
mA
°
C
TL7759C
0
70
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TL7759C
TYP
UNIT
MIN
MAX
VOL
VOH
Low-level output voltage
RESET
RESET
VCC= 4 3 V
VCC = 4.3 V
IOL = 24 mA
IOH = –8 mA
0.4
0.8
V
High-level output voltage
VCC–1
4.43
V
VIT–
Input threshold voltage
(negative-going VCC)
TA = 25
°
C
TA = 0
°
C to 70
°
C
4.55
4.67
V
4.4
4.7
Vres§
Power up reset voltage
Power-up reset voltage
RL= 2 2 k
RL = 2.2 k
TA = 25
°
C
TA = 0
°
C to 70
°
C
0.8
1
V
1.2
Vhys
Hysteresis at VCCinput
Hysteresis at VCC input
TA = 25
°
C
TA = 0
°
C to 70
°
C
40
50
60
mV
30
70
IOH
IOL
High-level output current
RESET
RESET
VCC= 7 V See Figure 1
VCC = 7 V, See Figure 1
VOH = 15 V
VOL = 0 V
VCC = 4.3 V
VCC = 5.5 V
1
μ
A
μ
A
Low-level output current
–1
ICC
Supply current
No load
1400
2000
40
μ
A
Typical values are at TA = 25
°
C.
§This is the lowest voltage at which RESET becomes active, VCC slew rate
≤
5 V/
μ
s.
This is the difference between positive-going input threshold voltage, VIT+, and negative-going input threshold voltage, VIT–.
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