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參數(shù)資料
| 型號： | μA723 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Precision Voltage Regulator(精密PWM控制器) |
| 中文描述： | 精密穩(wěn)壓器（精密的PWM控制器） |
| 文件頁數(shù)： | 4/13頁 |
| 文件大?。?/td> | 321K |
| 代理商： | ΜA723 |
μ
A723C,
μ
A723M
μ
A723Y
PRECISION VOLTAGE REGULATORS
SLVS057B – AUGUST 1972 – REVISED AUGUST 1995
3–4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Peak voltage from V
CC+
to V
CC–
(t
w
≤
50 ms)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous voltage from V
CC+
to V
CC–
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input-to-output voltage differential
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Differential input voltage to error amplifier
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage between noninverting input and V
CC–
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Current from V
Z
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Current from REF
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous total dissipation (see Note 1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, T
A
:
μ
A723C
μ
A723M
Storage temperature range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Case temperature for 60 seconds, T
C
: FK package
Lead temperature 1,6 mm (1/16 inch) from case for 60 seconds: J or U package
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: D or N package
50 V
40 V
40 V
±
5 V
8 V
25 mA
15 mA
See Dissipation Rating Table
0
°
C to 70
°
C
–55
°
C to 125
°
C
–65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
260
°
C
300
°
C
260
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . .
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.
NOTE 1: Power dissipation = [I(standby) + I(ref)] VCC + [VC – VO] IO.
DISSIPATION RATING TABLE
PACKAGE
TA
≤
25
°
C POWER
RATING
950 mW
1000 mW
1000 mW
675 mW
DERATING FACTOR
DERATE
ABOVE TA
25
°
C
59
°
C
41
°
C
25
°
C
TA = 70
°
C
POWER RATING
608 mW
879 mW
733 mW
432 mW
TA = 125
°
C
POWER RATING
—
274 mW
—
135 mW
D
7.6 mW/
°
C
11.0 mW/
°
C
9.2 mW/
°
C
5.4 mW/
°
C
FK and J
N
U
recommended operating conditions
MIN
9.5
MAX
UNIT
V
V
V
mA
Input voltage, VI
Output voltage, VO
Input-to-output voltage differential, VC – VO
Output current, IO
40
37
38
150
2
3
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