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參數資料
| 型號： | TPS51220ARTVR |
| 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, PLASTIC, QFN-32 |
| 文件頁數： | 37/53頁 |
| 文件大小： | 1380K |
| 代理商： | TPS51220ARTVR |
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SLUS897D – DECEMBER 2008 – REVISED FEBRUARY 2010
www.ti.com
Table 9. Current Mode, DCR Sensing, 5-V/5-A, 3.3-V/5-A, 300-kHz
SYMBOL
SPECIFICATION
MANUFACTURER
PART NUMBER
C11
2 × 120 mF, 6.3V, 15 m
Panasonic
EEFCX0J121R
C12
2 × 10 mF, 25 V
Murata
GRM32DR71E106K
C21
2 × 220 mF, 4.0 V, 15 m
Panasonic
EEFCX0G221R
C22
2 × 10 mF, 25 V
Murata
GRM32DR71E106K
L1
4.0 mH, 10.3 A, 6.6 m
Sumida
CEP125-4R0MC-H
L2
4.0 mH, 10.3 A, 6.6 m
Sumida
CEP125-4R0MC-H
Q11, Q21
30 V, 13.6 A, 9.5 m
IR
IRF7821
Q12, Q22
30 V, 13.8 A, 5.8 m
IR
IRF8113
REVISION HISTORY
Changes from Original (December 2008) to Revision A
Page
Changed t(SSDYL) - SoftStart Delay Typical value From: 140 To: 200 ................................................................................... 5
Changed t(SS) - SoftStart Delay Typical value From: 800 To 960 ......................................................................................... 5
Changes from Revision A (March 2009) to Revision B
Page
Changed SW1 and SW2 Abs Max range From: –5 to 34 To: –7 to 34 ................................................................................ 3
Changed DRVH1, DRVH2 Abs Max range From: –5 to 39 To: –7 to 39 ............................................................................. 3
Added a row to the Recommended Operating Conditions table - DRVH1, DRVH2 (negative overshoot -6 V for t <
20% duration of the switching period) .................................................................................................................................. 3
Added a row to the Recommended Operating Conditions table - SW1, SW2 (negative overshoot -6 V for t < 20%
duration of the switching period ............................................................................................................................................ 3
Changed the legend of Figure 22 From: VI = 12 V To: Auto-Skip ...................................................................................... 15
Changed the legend of Figure 27 From RGV = 1 kΩ To: RGV = 10 k .................................................................................. 16
Changed the time scale of Figure 36 From: 1 mec/div To: 10msec/div ............................................................................. 19
Changed the time scale of Figure 37 From: 1 mec/div To: 10msec/div ............................................................................. 19
Added subsection: 180 Degrees Phase Shift and Blanking Time ...................................................................................... 23
Changes from Revision B (October 2009) to Revision C
Page
Added RSN dissipation rating information ............................................................................................................................ 3
Added RSN package ordering information ........................................................................................................................... 4
Added RSN package electrical specifications ...................................................................................................................... 6
Added the RSN package pinout ........................................................................................................................................... 8
Changes from Revision C (November 2009) to Revision D
Page
Changed the device number in the pin package drawings From: TPS51120A To: TPS51220A ......................................... 8
42
Copyright 2008–2010, Texas Instruments Incorporated
Product Folder Link(s) :TPS51220A
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS51220ARTVT | 功能描述:電流型 PWM 控制器 Fixed-Freq,Notebook Sys Pwr Controller 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 |
| TPS51220ARTVT | 制造商:Texas Instruments 功能描述:Controller IC |
| TPS51220ATRTVRQ1 | 功能描述:電流型 PWM 控制器 Current-Mode NB Sys Pwr Controller 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 |
| TPS51220EVM | 功能描述:電源管理IC開發工具 TPS51220EVM Hi Perf Synch Buck RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS51220RHBR | 功能描述:電流型 PWM 控制器 Fixed Freq 99% Duty Cycle Peak Current 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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