- 制造厂商:TI
- 产品类别:电源管理
- 技术类目:直流/直流开关稳压器 - 电荷泵(无电感器)
- 功能描述:3 节电池至稳压 5V、150mA 低噪声电荷泵
- 点击这里打开及下载TPS60111的技术文档资料
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The TPS60111 step-up, regulated charge pump generates a 5-V ±4% output voltage from a 2.7-V to 5.4-V input voltage (three alkaline, NiCd, or NiMH batteries; or, one lithium or lithium ion battery). Output current is 150 mA from a 3-V input. Only four external capacitors are needed to build a complete low-noise dc/dc converter. The push-pull operating mode of two single-ended charge pumps assures the low output voltage ripple as current is continuously transferred to the output. From a 3-V input, the TPS60111 can start into full load with loads as low as 33 Ω.
The TPS60111 features either constant frequency mode to minimize noise and output voltage ripple or the power-saving pulse-skip mode to extend battery life at light loads. The TPS60111 switching frequency is 300 kHz. The logic shutdown function reduces the supply current to 1-µA (max) and disconnects the load from the input. Special current-control circuitry prevents excessive current from being drawn from the battery during start-up. This dc/dc converter requires no inductors and has low EMI. It is available in the small 20-pin TSSOP PowerPADTM package (PWP).
- Up to 150-mA Output Current
- Less Than 10-mVpp Output Voltage Ripple
- No Inductors Required/Low EMI
- Regulated 5-V ±4% Output
- Only Four External Components Required
- Up to 90% Efficiency
- 2.7-V to 5.4-V Input Voltage Range
- 60-uA Quiescent Supply Current
- 0.05-uA Shutdown Current
- Load Isolated in Shutdown
- Space-Saving Thermally-Enhanced TSSOP PowerPADTM Package
- Evaluation Module Available (TPS60110EVM-132)
- Battery-Powered Applications
- Li-Ion Battery to 5-V Conversion
- Portable Instruments
- Battery-Powered Microprocessor Systems
- Miniature Equipment
- Backup-Battery Boost Converters
- PDAs
- Laptops
- Handheld Instrumentation
- Medical Instruments
PowerPAD is a trademark of Texas Instruments Incorporated.
- Vin (Min) (V)
- 2.7
- Vin (Max) (V)
- 5.4
- Vout (Min) (V)
- 5
- Vout (Max) (V)
- 5
- Iout (Max) (A)
- 0.15
- Regulated outputs (#)
- 1
- Switching frequency (Min) (kHz)
- 200
- Switching frequency (Max) (kHz)
- 400
- Iq (Typ) (mA)
- 0.05
- Features
- Enable, Frequency Synchronization
- Rating
- Catalog
TPS60111的完整型号有:TPS60111PWP、TPS60111PWPR,以下是这些产品的关键参数及官网采购报价:
TPS60111PWP,工作温度:-40 to 85,封装:HTSSOP (PWP)-20,包装数量MPQ:70个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS60111PWP的批量USD价格:.895(1000+)
TPS60111PWPR,工作温度:-40 to 85,封装:HTSSOP (PWP)-20,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS60111PWPR的批量USD价格:.746(1000+)
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