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| 型号： | TPS60500DGS |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.3 A SWITCHED CAPACITOR REGULATOR, 1200 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | 3.05 X 4.98 MM, PLASTIC, MSOP-10 |
| 文件页数： | 3/24页 |
| 文件大小： | 743K |
| 代理商： | TPS60500DGS |
TPS60500, TPS60501
TPS60502, TPS60503
SLVS391B OCTOBER 2001 REVISED FEBRUARY 2002
11
www.ti.com
PRINCIPLES OF OPERATION
0.5x conversion mode
This conversion mode is internally selected if the input to output voltage ratio is greater than two (e.g. 3.6 V to
1.5 V conversion). In the 0.5x mode, the flying capacitors and the switches always work in parallel, which
reduces the resistance of the circuit compared to the other modes. In the first cycle, the flying capacitors are
charged in series with the output capacitors. In the second cycle, the flying capacitors are connected in parallel
with the output capacitor, which discharges the flying capacitors.
C1F
C2F
SW1
SW2
SW3
SW4
SW9
SW5
SW6
SW7
SW8
++
+
VIN
OUT
Co
SW1
SW2
SW3
SW4
SW9
SW5
SW6
SW7
SW8
++
+
VIN
OUT
Co
C1F
C2F
Phase 1: Charging of Flying Caps
Phase 2: Discharging of Flying Caps
Figure 24.
0.5x Conversion Mode
1/3x conversion mode
This mode was implemented to provide high efficiency even with an input to output voltage ratio greater than
three (e.g. 5 V to 1.5 V conversion). In the first cycle, the two flying capacitors are charged in series with the
output capacitor. In the next step, the flying capacitors which are charged to VIN/3, are connected in parallel
to the output capacitor.
SW1
SW2
SW3
SW4
SW9
SW5
SW6
SW7
SW8
++
+
VIN
OUT
Co
SW1
SW2
SW3
SW4
SW9
SW5
SW6
SW7
SW8
++
+
VIN
OUT
Co
C1F
C2F
C1F
C2F
Phase 1: Charging of Flying Caps
Phase 2: Discharging of Flying Caps
Figure 25.
1/3x Conversion Mode
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| TPS60500DGSRG4 | 0.25 A SWITCHED CAPACITOR REGULATOR, 1200 kHz SWITCHING FREQ-MAX, PDSO10 |
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| TPS60503DGSG4 | SWITCHED CAPACITOR REGULATOR, 1200 kHz SWITCHING FREQ-MAX, PDSO10 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS60500DGSG4 | 功能描述:电荷泵 250-mA Adj Hi-Eff Step-Dwn Chrg Pump 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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| TPS60500DGSRG4 | 功能描述:电荷泵 250-mA Adj Hi-Eff Step-Dwn Chrg Pump 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 |
| TPS60500EVM-193 | 功能描述:电源管理IC开发工具 Eval Mod for Step- Down Charge Pump RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| TPS60501 | 制造商:TI 制造商全称:Texas Instruments 功能描述:HIGH EFFICIENCY, 250-mA STEP-DOWN CHARGE PUMP |
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