CXSU63216是一款高频升压转换器，专用于中小型LCD偏压电源和白色LED背光电源。该装置非常适合于从双电池NiMH/NiCd或单电池锂离子电池产生高达38V的输出电压。该部分还可以用来产生标准的3.3V/5V到12V的功率转换。CXSU63216以高达1MHz的开关频率工作。这允许使用小型外部元件，使用陶瓷和钽输出电容器。
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产品概述 返回TOP
The CXSU63216 is a high-frequency boost converter dedicated for small to medium LCD bias supply and white LED backlight supplies. The device is ideal to generate output voltages up to 38V from a dual cell NiMH/NiCd or a single cell Li-ion battery. The part can also be used to generate standard 3.3V/5V to 12V power conversions.
The CXSU63216 operates with a switching frequency up to 1MHz. This allows the use of small external components using ceramic as well as tantalum output capacitors. Together with the small package, the CXSU63216gives a very small overall solution size. The CXSU63216 has an internal 400mA switch current limit, offering low output voltage ripple and allows the use of a small form factor inductor for low power applications. The low quiescent current (20μA TYP) together with an optimized control scheme, allows device operation at very high efficiencies over the entire load current range.
The CXSU63216 is available in the Green TDFN-2×2-6L and TSOT-23-5 packages. It operates over an ambient temperature range of -40℃ to +85℃.
产品特点 返回TOP
• Input Voltage Range: 1.8V to 5.5V
• Adjustable Output Voltage Range up to 38V
• 400mA Internal Switch Current
• Up to 1MHz Switching Frequency
• 20μA Typical No-Load Quiescent Current
• 0.1μA Typical Shutdown Current
• Internal Soft-Start Function
• -40℃ to +85℃ Operating Temperature Range
• Available in Green TSOT-23-5 and TDFN-2×2-6L Packages
应用范围 返回TOP
LCD Bias Supply
White-LED Supply for LCD Backlights
Digital Still Camera
PDAs, Organizers, and Handheld PCs
Cellular Phones
Internet Audio Player
Standard 3.3V/5V to 12V Conversion
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产品封装图 返回TOP
电路原理图 返回TOP
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非同步升压转换器 |
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Product |
CH |
Enable |
VCC Min |
VCC Max |
VOUT(V) |
IOUT(mA) |
Frequency (kHz) |
Iq (mA) |
SHDN Iq (μA) |
Package |
|
1 |
H |
1.8 |
5.5 |
adj (up to 38) |
adj(up to 1000) |
0.02 |
1 |
TSOT-23-5 TDFN-2x2-6L |
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|
1 |
H |
3 |
20 |
adj (up to 38) |
300 |
1200 |
0.4 |
1 |
TDFN-2x2-6L TSOT-23-6 |
|
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同步整流升压转换器 |
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Product |
CH |
Enable |
VCC Min |
VCC (Max) |
VOUT V |
IOUT (mA) |
Frequency (kHz) |
Iq (mA) |
SHDN Iq (μA) |
Package |
|
1 |
H |
0.9 |
5.5 |
3.3/5/adj |
600 |
1200 |
0.033 |
1 |
SOT-23-6 |
|
|
1 |
H |
2.7 |
5.5 |
5/adj |
600 |
1200 |
0.03 |
1 |
SOT-23-6 |
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◀ 上一篇:高效同步升压转换器CXSU63215内部集成低阻抗功率Mos输入3.6V输出电压5.0V输出电流2.4A时效率可达90%
下一篇▶:3V至20V输入电压1.1A集成开关CXSU63217输出电压38V效率高达93%循环过电流限制
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