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參數(shù)資料
| 型號： | TPS5450MDDAREP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 11.7 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | GREEN, PLASTIC, SOIC-8 |
| 文件頁數(shù)： | 12/24頁 |
| 文件大小： | 772K |
| 代理商： | TPS5450MDDAREP |
VIN
NC
ENA
GND
VSENSE
BOOT
PH
VIN
VOUT
SimplifiedSchematic
EfficiencyvsOutputCurrent
50
55
60
65
70
75
80
85
90
95
100
I
- Output Current - A
O
Efficiency-%
0
1
2
3
4
5
6
V =12V,
V
=5V,
f =500kHz,
T =25°C
I
O
s
A
ABSOLUTE MAXIMUM RATINGS
SLVS935 – JULY 2009 ....................................................................................................................................................................................................... www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
ORDERING INFORMATION(1)
TA
PACKAGE(2)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
Thermally Enhanced
–55°C to 125°C
Reel of 2500
TPS5450MDDAREP
5450EP
SOIC – DDA
(1)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
(2)
Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
over operating free-air temperature range (unless otherwise noted)
(1) (2)
VIN
–0.3 V to 40 V(3)
BOOT
–0.3 V to 50 V
PH (steady-state)
–0.6 V to 40 V(3)
VI
Input voltage range
ENA
–0.3 V to 7 V
BOOT-PH
10 V
VSENSE
–0.3 V to 3 V
PH (transient < 10 ns)
–1.2 V
IO
Source current
PH
Internally Limited
Ilkg
Leakage current
PH
10
A
TJ
Operating virtual-junction temperature range
–55°C to 150°C
Tstg
Storage temperature
–65°C to 150°C
(1)
Stresses beyond those listed under the 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 the 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 network ground terminal.
(3)
Approaching the absolute maximum rating for the VIN pin may cause the voltage on the PH pin to exceed the absolute maximum rating.
2
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TPS5450-EP
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