參數(shù)資料
型號： TPS43000PWG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO16
封裝： GREEN, TSSOP-16
文件頁數(shù)： 17/31頁
文件大?。?/td> 615K
代理商： TPS43000PWG4
TPS43000
SLUS489 OCTOBER 2001
24
www.ti.com
APPLICATION INFORMATION
Table 1. SMT Commercial Inductor Manufacturers
Coilcraft Inc.
(800) 3222645
1102 Silver Lake RD, Cary, IL 60013
Coiltronics Inc.
(407) 2417876
6000 Park of Commerce Blvd, Boca Raton, FL 33487
Dale Electronics, Inc.
(605) 6659301
East Highway 50, Yankton, SD 57078
Pulse Engineering Ltd.
(204) 633432
1300 Keewatin Street, Winnipeg, MB R2X 2R9
Sumida
18475456700
Fax 18475456720
1701 Golf Road, Tower 3, Suite 400,
Rolling Meadows, IL 60008
BH Electronics
(612) 8949590
12219 Wood Lake Drive, Burnsville, MN 55337
Tokin America Inc.
(408) 4328020
155 Nicholson Lane, San Jose CA 95134
selecting the filter capacitor
The input and output filter capacitors must have low ESR and low ESL. Surface-mount tantalum, OSCONs or
multilayer ceramics (MLCs) are recommended. The capacitor selected must have the proper ripple current
rating for the application. Some recommended capacitor types are listed in Table 2.
Table 2. Recommended SMT Filter Capacitors
Manufacturer
Part Number
Features
AVX
TPS series
Low ESR tantalum
Kemet
T410 series
Low ESR tantalum
Murata
GRM series
Low ESR ceramic
Sanyo
OSCON series
Low ESR organic
Sprague
591D series
Low ESR, low profile tantalum
Sprague
594D series
Low ESR tantalum
Tokin
Y5U, Y5V Type
Low ESR ceramic
Taiyo Yuden
X5R Type
Low ESR ceramic
circuit layout and grounding
As with any high-frequency switching power supply, circuit layout, hookup, and grounding are critical for proper
operation. Although this may be a relatively low-power, low-voltage design, these issues are still very important.
The MOSFET turn-on and turn-off times necessary to maintain high efficiency at high switching frequencies of
1 MHz or more result in high dv/dt and di/dts. This makes stray circuit inductance especially critical. In addition,
the high impedances associated with low-power designs, such as in the feedback divider, make them especially
susceptible to noise pickup.
layout
The component layout should be as tight as possible to minimize stray inductance. This is especially true of the
high-current paths, such as in series with the MOSFETs and the input and output filter capacitors.
The components associated with the feedback, compensation and timing should be kept away from the power
components (MOSFETs, inductor). Keep all components as close to the device pins as possible. Nodes that
are especially noise sensitive are the FB, RT and COMP pins.
相關(guān)PDF資料
PDF描述
TC151B2031EOA713 0.25 A SWITCHING REGULATOR, 50 kHz SWITCHING FREQ-MAX, PDSO8
TC151B2239EOA723 0.25 A SWITCHING REGULATOR, 50 kHz SWITCHING FREQ-MAX, PDSO8
TC151A5748EOA723 0.25 A SWITCHING REGULATOR, 50 kHz SWITCHING FREQ-MAX, PDSO8
TC151B2435EOA713 0.25 A SWITCHING REGULATOR, 50 kHz SWITCHING FREQ-MAX, PDSO8
TC151B2138EOA713 0.25 A SWITCHING REGULATOR, 50 kHz SWITCHING FREQ-MAX, PDSO8
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS43000PWR 功能描述:DC/DC 開關(guān)控制器 Multi-Topology High Freq DC/DC RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TPS43000PWRG4 功能描述:DC/DC 開關(guān)控制器 Multi-Topology High Freq DC/DC RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TPS43060 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low Quiescent Current Synchronous Boost DC-DC Controller with Wide VIN Range
TPS43060EVM-199 功能描述:電源管理IC開發(fā)工具 TPS43060 EVAL MOD RoHS:否 制造商:Maxim Integrated 產(chǎn)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
TPS43060RTER 功能描述:DC/DC 開關(guān)控制器 Sync Boost Cntlr Wide Input Vtg RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
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