參數(shù)資料
型號: TPS51221RTVRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: DUAL SWITCHING CONTROLLER, 333 kHz SWITCHING FREQ-MAX, PQCC32
封裝: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁數(shù): 23/39頁
文件大?。?/td> 829K
代理商: TPS51221RTVRG4
ABSOLUTE MAXIMUM RATINGS
(1)
DISSIPATION RATINGS (2 oz Trace and Copper Pad with Solder)
www.ti.com............................................................................................................................................... SLVS786A – NOVEMBER 2007 – REVISED MARCH 2009
ORDERING INFORMATION(1)
ORDERABLE
MINIMUM
OUTPUT
TA
PACKAGE
PART NUMBER
PINS
ORDER
ECO PLAN
SUPPLY
QUANTITY
TPS51221RTVT
Tape and reel
250
Green (RoHS
PLASTIC QUAD
–40°C to 85°C
32
and no Sb/Br)
FLAT PACK (QFN)
TPS51221RTVR
Tape and reel
3000
(1)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
over operating free-air temperature range (unless otherwise noted)
VALUE
UNIT
VIN
–0.3 to 30
V
VBST1, VBST2
–0.3 to 35
V
VBST1, VBST2(3)
–0.3 to 7
V
SW1, SW2
–5 to 30
V
Input voltage range (2)
CSP1, CSP2, CSN1, CSN2
–1 to 13.5
V
EN, EN1, EN2, VFB1, VFB2, TRIP, SKIPSEL1, SKIPSEL2
–0.3 to 7
V
V5SW
–1 to 7
V
V5SW (to VREG5)(4)
–7 to 7
V
DRVH1, DRVH2
–5 to 35
V
DRVH1, DRVH2(3)
–0.3 to 7
V
Output voltage range(2)
DRVL1, DRVL2, COMP1, COMP2, VREG5, RF, VREF2, IMON1 PGOOD1,
–0.3 to 7
V
PGOOD2
VREG3
–0.3 to 3.6
V
Operating junction temperature range, TJ
–40 to 125
°C
Storage temperature, Tst
–55 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 the network ground terminal unless otherwise noted.
(3)
Voltage values are with respect to the corresponding SW terminal.
(4)
When EN is high and V5SW is grounded, or voltage is applied to V5SW when EN is low.
PACKAGE
TA < 25°C
DERATING FACTOR
TA = 85°C
POWER RATING
ABOVE TA = 25°C
POWER RATING
32 pin RTV
1.7 W
17 mW/°C
0.7 W
Copyright 2007–2009, Texas Instruments Incorporated
3
Product Folder Link(s): TPS51221
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