參數(shù)資料
型號(hào)： TPS77450DGKRG4
廠商： Texas Instruments, Inc.
英文描述： 250-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING
中文描述： 250毫安LDO穩(wěn)壓器有8引腳MSOP封裝
文件頁數(shù)： 6/24頁
文件大?。?/td> 347K
代理商： TPS77450DGKRG4
TPS77301/315/316/318/327/328/333/350 WITH RESET OUTPUT
TPS77401
/
415
/
418
/
427
/
428
/
433
/
450 WITH POWER GOOD OUTPUT
250-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING
SLVS281E
–
FEBRUARY 2000
–
REVISED JULY 2001
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Input voltage range
, V
I
Voltage range at EN
Maximum RESET voltage (TPS773xx)
Maximum PG voltage (TPS774xx)
Peak output current
Continuous total power dissipation
Output voltage, V
O
(OUT, FB)
Operating virtual junction temperature range, T
J
Storage temperature range, T
stg
ESD rating, HBM
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–
0.3 V to 13.5 V
–
0.3 V to 16.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16.5 V
16.5 V
Internally limited
See Dissipation Rating Table
5.5 V
–
40
°
C to 125
°
C
–
65
°
C to 150
°
C
2 kV
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.
All voltage values are with respect to network terminal ground.
DISSIPATION RATING TABLE
–
FREE-AIR TEMPERATURES
θ
JA
(
°
C/W)
(
°
C/W)
POWER RATING
PACKAGE
AIR FLOW
(CFM)
θ
JC
TA < 25
°
C
DERATING FACTOR
ABOVE TA = 25
°
C
3.76 mW/
°
C
3.92 mW/
°
C
4.12 mW/
°
C
TA = 70
°
C
POWER RATING
TA = 85
°
C
POWER RATING
0
266.2
3.84
376 mW
207 mW
150 mW
DGK
150
255.2
3.92
392 mW
216 mW
157 mW
250
242.8
4.21
412 mW
227 mW
165 mW
recommended operating conditions
MIN
MAX
UNIT
Input voltage, VI
§
Output voltage range, VO
Output current, IO (see Note 1)
Operating virtual junction temperature, TJ (see Note 1)
§
To calculate the minimum input voltage for your maximum output current, use the following equation: VI(min) = VO(max) + VDO(max load).
NOTE 1: Continuous current and operating junction temperature are limited by internal protection circuitry, but it is not recommended that the
device operate under conditions beyond those specified in this table for extended periods of time.
2.7
10
V
1.5
5.5
V
0
250
mA
°
C
–
40
125
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