參數(shù)資料
型號(hào)： TPS60130PWPG4
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 穩(wěn)壓器
英文描述： 0.3 A SWITCHED CAPACITOR REGULATOR, 450 kHz SWITCHING FREQ-MAX, PDSO20
封裝： GREEN, PLASTIC, HTSSOP-20
文件頁(yè)數(shù)： 7/27頁(yè)
文件大?。?/td> 0K
代理商： TPS60130PWPG4
TPS60130, TPS60131, TPS60132, TPS60133
REGULATED 5V, 300 mA HIGH EFFICIENCY CHARGE PUMP
DC/DC CONVERTERS
SLVS258A NOVEMBER 1999 REVISED DECEMBER 1999
15
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 22
0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0.2
0.0
0.2
0.4
0.6
0.8
1.0
1.2
t Time ms
OUTPUT VOLTAGE
vs
TIME
(START-UP TIMING)
VO V
VI = 3.6 V
RLOAD = 16.7
ENABLE V
V
O
Output
V
oltage
and
Enable
V
APPLICATION INFORMATION
capacitor selection
The TPS6013x charge pumps require only four external capacitors as shown in the basic application circuit.
Their capacitance values and types are closely linked to the output current and output noise/ripple
requirements. For lowest noise and ripple, low ESR (< 0.1
) capacitors should be used for input and output
capacitors.
The input capacitor improves system efficiency by reducing the input impedance. It also stabilizes the input
current of the power source. The input capacitor should be chosen according to the power supply used and the
distance from power source to the converter IC. The input capacitor also has an impact on the output voltage
ripple. The lower the ESR of the input capacitor Ci, the lower is the output ripple. Ci is recommended to be about
two to four times as large as C(xF).
The output capacitor Co can be selected from 5-times to 50-times larger than C(xF), depending on the ripple
tolerance. The larger Co, the lower will be the output voltage ripple. Ci and Co can be either ceramic or low-ESR
tantalum; aluminum capacitors are not recommended.
Generally, the flying capacitors C(xF) will be the smallest. Only ceramic capacitors are recommended, due to
their low ESR and because they retain their capacitance at the switching frequency. Because the device
regulates the output voltage using the pulse-skip technique, a larger flying capacitor will lead to a higher output
voltage ripple if the size of the output capacitor is not increased. Be aware that, depending on the material used
to manufacture them, ceramic capacitors might lose their capacitance over temperature. Ceramic capacitors
of type X7R or X5R material will keep their capacitance over temperature and voltage, whereas Z5U or Y5V-type
capacitors will decrease in capacitance. Table 2 lists recommended capacitor values.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS60130PWPR 功能描述:電荷泵 Reg 5V Hi-Eff Charge 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
TPS60130PWPRG4 功能描述:電荷泵 Reg 5V Hi-Eff Charge 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
TPS60131 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:REGULATED 5-V, 300 mA HIGH EFFICIENCY CHARGE PUMP DC/DC CONVERTERS
TPS60131PWP 功能描述:電荷泵 Reg 5V Hi-Eff Charge 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
TPS60131PWPG4 功能描述:電荷泵 Reg 5V Hi-Eff Charge 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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