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IRF7821 数据表(PDF) 2 Page - Texas Instruments

部件名 IRF7821
功能描述  Dual-Synchronous, Step-Down Controller with Out-of-Audio??Operation and 100-mA LDOs for Notebook System Power
Download  33 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

IRF7821 数据表(HTML) 2 Page - Texas Instruments

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ABSOLUTE MAXIMUM RATINGS
(1)
DISSIPATION RATINGS
RECOMMENDED OPERATING CONDITIONS
TPS51123
SLUS890 – DECEMBER 2008 ........................................................................................................................................................................................... www.ti.com
ORDERING INFORMATION(1)
MINIMUM
TA
PACKAGE
PART NUMBER
PINS
TRANSPORT MEDIA
ECO PLAN
QUANTITY
TPS51123RGET
250
Green
Plastic Quad Flat Pack
-40°C to 85°C
24
Tape/Reel
(RoHS and
(QFN)
TPS51123RGER
3000
no Sb/Br)
(1)
For the most current spcifications and package information, see the Package Option Addendum located at the end of this data sheet or
refer to our web site at http://www.ti.com.
over operating free-air temperature range (unless otherwise noted)
PARAMETER
VALUE
UNIT
VBST1, VBST2
-0.3 to 36
VIN
-0.3 to 30
Input voltage range
LL1, LL2
-2.0 to 30
V
(1)
VBST1, VBST2 (2)
-0.3 to 6
EN0, ENC, TRIP1, TRIP2, VFB1, VFB2, VO1, VO2, TONSEL, SKIPSEL
-0.3 to 6
DRVH1, DRVH2
-1.0 to 36
Output voltage range
DRVH1, DRVH2 (2)
-0.3 to 6
V
(1)
PGOOD, VREG3, VREG5, VREF, DRVL1, DRVL2
-0.3 to 6
TJ
Junction temperature range
-40 to 125
°C
Tstg Storage temperature
-55 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)
Voltage values are with respect to the corresponding LLx terminal.
2-oz. trace and copper pad with solder.
DERATING FACTOR ABOVE TA
PACKAGE
TA < 25°C POWER RATING
TA = 85°C POWER RATING
= 25°C
24 pin RGE(1)
1.85 W
18.5 mW/°C
0.74 W
(1)
Enhanced thermal conductance by 3 x 3 thermal vias beneath thermal pad.
over operating free-air temperature range (unless otherwise noted)
PARAMETER
MIN
TYP
MAX
UNIT
Supply voltage
VIN
5.5
28
Input voltage range
VBST1, VBST2
-0.1
34
VBST1, VBST2 (wrt LLx)
-0.1
5.5
EN0, ENC, TRIP1, TRIP2, VFB1, VFB2, VO1, VO2,
-0.1
5.5
TONSEL, SKIPSEL
V
Output voltage range
DRVH1, DRVH2
-0.8
34
DRVH1, DRVH2 (wrt LLx)
-0.1
5.5
LL1, LL2
-1.8
28
VREF, VREG3, VREG5
-0.1
5.5
PGOOD, DRVL1, DRVL2
-0.1
5.5
TA
Operating free-air temperature
-40
85
°C
2
Submit Documentation Feedback
Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): TPS51123


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