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Converters | NCP1406
概览
NCP1406 是一款单片 PFM 步升 DC-DC 转换器。 此器件适用于对一个锂电池或两个 AA/AAA 电池进行升压，最高可达 25 V（使用内部 MOSFET）输出，适用于手持应用。 此器件中内置了上拉芯片启用功能，可延长电池寿命。 除了标准升压转换器拓扑结构，该器件还可针对电压反向和步降应用进行配置。 此器件采用节省空间的 TSOP-5 封装。 该器件占位小，还适用于从 3.3 V 或 5.0 V 电源轨产生升高的电压。
- LCD Bias
- White LED Driver
- OLED Driver
- Personal Digital Assistants (PDA)
- Digital Still Camera
- Cellular Telephone
- Hand-held Games
- Handheld Instrument
- 85% Efficiency at VOUT = 25 V, IOUT = 25 mA, VIN = 5.0 V
- Low Operating Current of 15 µA (Not Switching)
- Low Shutdown Current of 0.3 µA
- Low Start−up Voltage of 1.8 V Typical at 0 mA
- Output Voltage up to 25 V with Built−in 26 V MOSFET Switch
- PFM Switching Frequency up to 1.0 MHz
- Chip Enable
- Feedback Pin Open/Short Circuit Protection
- Input Undervoltage Lockout
- Output Voltage Soft-Start
- Thermal Shutdown
- Low Profile and Minimum External Parts
- Micro Miniature TSOP-5 Package
- Pb-Free Package is Available
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Obsolete
Pb
A
H
P
TSOP-5 / SOT-23-5
1
260
REEL
3000
N
Step-Up
Current Mode
1.4
5.5
Up to 25
0.025
85
Up to 1000
Price N/A
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