參數(shù)資料
型號(hào)： TPS60122PWPRG4
廠商： Texas Instruments, Inc.
英文描述： REGULATED 3.3 V, 200-mA HIGH EFFICIENCY CHARGE PUMP DC/DC CONVERTERS
中文描述： 穩(wěn)壓3.3伏，200毫安高效率電荷泵DC / DC轉(zhuǎn)換器
文件頁(yè)數(shù)： 19/27頁(yè)
文件大?。?/td> 561K
代理商： TPS60122PWPRG4
TPS60120, TPS60121, TPS60122, TPS60123, TPS60124, TPS60125
REGULATED 200-mA HIGH EFFICIENCY CHARGE PUMP
DC/DC CONVERTERS
SLVS257B – NOVEMBER 1999 – REVISED AUGUST 2000
19
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
board layout
Careful board layout is necessary due to the high transient currents and switching frequency of the converter.
All capacitors should be soldered in close proximity to the IC. Connect ground and power ground pins through
a short, low-impedance trace. A PCB layout proposal for a two-layer board is given in Figure 27. The bottom
layer of the board carries only ground potential for best performance.
An evaluation module for the TPS60120 is available and can be ordered under product code
TPS60120EVM–142. The EVM uses the layout shown in Figure 27. The layout also provides improved thermal
performance as the exposed leadframe of the PowerPAD package can be soldered to the PCB.
Figure 27. Recommended PCB Layout for
TPS6012X
Figure 28. Component Placement
Table 5. Component Identification
IC1
TPS6012x
C1, C2
Flying capacitors
C3, C6
Input capacitors
C4, C5
Output capacitors
C7
Stabilization capacitor for LBI
R1, R2
Resistive divider for LBI
R3
Pullup resistor for LBO
The best performance of the converter is achieved with the additional bypass capacitors C5 and C6 at input and
output. Capacitor C7 should be included if the large line transients are expected. The capacitors are not
required. They can be omitted in most applications.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS60123 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:REGULATED 200-mA HIGH EFFICIENCY CHARGE PUMP DC/DC CONVERTERS
TPS60123PWP 功能描述:電荷泵 Reg 3.3V Hi-Eff Chrg Pump DC/DC Converter RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube
TPS60123PWPG4 功能描述:電荷泵 Reg 3.3V Hi-Eff Chrg Pump DC/DC Converter RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube
TPS60123PWPR 功能描述:電荷泵 Reg 3.3V Hi-Eff Chrg Pump DC/DC Converter RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube
TPS60123PWPRG4 功能描述:電荷泵 Reg 3.3V Hi-Eff Chrg Pump DC/DC Converter RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube
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