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参数资料
| 型号： | TPS60401DBVTG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHED CAPACITOR CONVERTER, 28 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封装： | GREEN, PLASTIC, SOT-23, 5 PIN |
| 文件页数： | 6/28页 |
| 文件大小： | 787K |
| 代理商： | TPS60401DBVTG4 |
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TPS60400, TPS60401, TPS60402, TPS60403
UNREGULATED 60mA CHARGE PUMP VOLTAGE INVERTER
SLVS324A JULY 2001 REVISED NOVEMBER 2004
14
WWW.TI.COM
APPLICATION INFORMATION
RC-post filter
TPS60400
OUT
C1+
IN
C1
GND
1
2
3
5
4
C(fly)
1
F
CO
1
F
CP
CI
1
F
VO (VI)
GND
VI
GND
RP
Figure 24. TPS60400 and TPS60401 With RC-Post Filter
An output filter can easily be formed with a resistor (RP) and a capacitor (CP). Cutoff frequency is given by:
c +
1
2
pR
PCP
(1)
and ratio VO/VOUT is:
V
O
V
OUT
+
1
) 2pR
PCP
2
(2)
with RP = 50 , CP = 0.1 F and f = 250 kHz:
V
O
V
OUT
+ 0.125
The formula refers only to the relation between output and input of the ac ripple voltages of the filter.
LC-post filter
TPS60400
OUT
C1+
IN
C1
GND
1
2
3
5
4
C(fly)
1
F
CO
1
F
CP
CI
1
F
VO (VI)
GND
VI
GND
LP
VOUT
Figure 25. LC-Post Filter
Figure 25 shows a configuration with a LC-post filter to further reduce output ripple and noise.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS60401QDBVRQ1 | 功能描述:电荷泵 Auto Cat Unreg 60mA Chg Pump Vltg Invrtr RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
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| TPS60402DBV | 制造商:TI 制造商全称:Texas Instruments 功能描述:UNREGULATED 60-mA CHARGE PUMP VOLTAGE INVERTER |
| TPS60402DBVR | 功能描述:电荷泵 60mA Charge Pump Voltage Inverter RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| TPS60402DBVRG4 | 功能描述:电荷泵 60mA Charge Pump Voltage Inverter RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
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