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參數資料
| 型號： | TPS51221RTVRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 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： | 23/39頁 |
| 文件大小： | 829K |
| 代理商： | TPS51221RTVRG4 |
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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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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS51221RTVT | 功能描述:電流型 PWM 控制器 Fixed Freq Notebook Sys Pwr Dual Cntrlr RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| TPS51221RTVTG4 | 功能描述:電流型 PWM 控制器 Fixed Freq Notebook Sys Pwr Cntrlr RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| TPS51222 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Fixed Frequency, 99% Duty Cycle Peak Current Mode Notebook System Power Controller |
| TPS51222RTVR | 功能描述:電流型 PWM 控制器 Fixed-Freq,Notebook Sys Pwr Cntrlr RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| TPS51222RTVT | 功能描述:電流型 PWM 控制器 Fixed-Freq,Notebook Sys Pwr Cntrlr RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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