參數(shù)資料
型號： TPS51220ARTVR
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, PLASTIC, QFN-32
文件頁數(shù)： 37/53頁
文件大小： 1380K
代理商： TPS51220ARTVR
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(shù)
參數(shù)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(shù)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(shù)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(fā)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(shù)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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