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參數資料
| 型號： | TPS5420MDREP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 5.2 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件頁數： | 12/23頁 |
| 文件大小： | 658K |
| 代理商： | TPS5420MDREP |
www.ti.com
VIN
NC
ENA
GND
VSENSE
BOOT
PH
TPS5420
VIN
VOUT
50
55
60
65
70
75
80
85
90
95
100
0
0.5
1
1.5
2
2.5
3
Ef
ficiency
%
I
O
OutputCurrent A
EfficiencyvsOutputCurrent
V
I =12V
Absolute Maximum Ratings
(1) (2)
SLVS717 – DECEMBER 2006
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
TJ
INPUT VOLTAGE
OUTPUT VOLTAGE
PACKAGE(1)
PART NUMBER
–55
°C to 125°C
5.5 V to 35 V
Adjustable to 1.22 V
SOIC (D)(2)
TPS5420MDREP
(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)
The D package is available taped and reeled. Add an R suffix to the device type (i.e., TPS5420DR).
SIMPLIFIED SCHEMATIC
over operating free-air temperature range (unless otherwise noted)
VALUE
UNIT
VIN
–0.3 to 38(3)
BOOT
–0.3 to 50
PH (steady-state)
–0.6 to 38(3)
VI
Input voltage range
EN
–0.3 to 7
V
VSENSE
–0.3 to 3
BOOT-PH
10
PH (transient < 10 ns)
–1.2
IO
Source current
PH
Internally limited
Ilkg
Leakage current
PH
10
A
TJ
Operating virtual junction temperature range
–55 to 150
°C
Tstg
Storage temperature range
–65 to 150
°C
(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 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
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