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參數(shù)資料
| 型號： | TPS2421-1DDAR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | PLATSIC, SOP-8 |
| 文件頁數(shù)： | 12/24頁 |
| 文件大?。?/td> | 1297K |
| 代理商： | TPS2421-1DDAR |
SLUS907D – JANUARY 2009 – REVISED AUGUST 2010
www.ti.com
PRODUCT INFORMATION(1)
DEVICE
FEATURE
PACKAGE
MARKING
TPS2421-1
Latchoff
2421-1
DDA (SO8 PowerPad)
TPS2421-2
Auto-retry
2421-2
(1)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or visit the
device product folder on www.ti.com.
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range (unless otherwise noted)
(1) (2)
VALUE
UNIT
VIN, VOUT
Input voltage range
–0.3 to 25
FLT, PG
Voltage range
–0.3 to 20
V
ISET, CT
Voltage
1.75
IMAX
Maximum continuous output current
9
A
FLT, PG
Output sink current
10
mA
EN
Input voltage range
–0.3 to 6
V
CT,(3) ISET(3) Voltage range
-0.3 to 3
ESD rating, HBM
2.5
kV
ESD rating, CDM
400
V
TJ
Operating junction temperature range
Internally Limited
°C
Tstg
Storage temperature range
–65 to 150
(1)
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.
(2)
All voltage values are with respect to GND.
(3)
Do not apply voltage to these pins.
DISSIPATION RATINGS
(1)
PACKAGE
qJA
LOW K, °C/W
HIGH K, °C/W
BEST(2), °C/W
DDA
190(3)
45(4)
45
(1)
Tested per JEDEC JESD51, natural convection. The definitions of high-k and low-k are per JESD 51-7 and JESD 51-3.
(2)
The best case thermal resistance is obtained using the recommendations per SLMA002A (2 signal – 2 plane with the pad connected to
the plane).
(3)
Low-k (2 signal – no plane, 3 in. by 3 in. board, 0.062 in. thick, 1 oz. copper) test board with the pad soldered, and an additional 0.12
in.2 of top-side copper added to the pad.
(4)
High-k is a (2 signal – 2 plane) test board with the pad soldered.
RECOMMENDED OPERATING CONDITIONS
MIN
NOM
MAX
UNIT
VIN, VOUT
Input voltage range
3
20
EN
Voltage range
0
5
V
FLT, PG
Voltage range
0
20
IOUT
Continuous output current
0
6
A
FLT, PG
Output sink current
0
1
mA
CCT
100
10
pF/mF
Junction temperature
–40
125
°C
2
Copyright 2009–2010, Texas Instruments Incorporated
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