5.0V固定输出电压恒频电流模式同步升压开关稳压器CXSU63219功率mosfet和内部补偿输出电压可通过外部电阻分压器编程

CXSU63219是一种恒频、电流模式、同步升压开关稳压器。它可用于在400毫安时从3.3伏轨道或锂离子电池产生5伏电压。高开关频率使电感和电容的尺寸最小化。集成的功率mosfet和内部补偿使CXSU63219易于使用，并使整个解决方案适合紧凑的空间。对于轻载电流CXSU63219进入节电模式以保持高效率。抗振铃控制电路通过在不连续模式下阻尼电感器来减少EMI问题

目录

1.产品概述       2.产品特点     

3.应用范围       4.技术规格书下载（PDF文档）

5.产品封装       6.电路原理图  

7.相关产品

   产品概述 返回TOP

---

 

The CXSU63219 is a constant frequency, current mode, synchronous step-up switching regulator. It can be used for generating 5V at 400mA from a 3.3V rail or a Li-ion battery.

High switching frequency minimizes the sizes of inductor and capacitor. Integrated power MOSFETs and internal compensation make the CXSU63219 simple to use and fit the total solution into a compact space.

For light load current, the CXSU63219 enters into the power-save mode to maintain high efficiency. Anti-ringing control circuitry reduces EMI concerns by damping the inductor in discontinuous mode. The CXSU63219 provides true output disconnect and this allows V_OUT to go to zero volts during shutdown without drawing any current from the input source. The CXSU63219 supports1.8V logic for control.

The output voltage of CXSU63219-ADJ can be programmed by an external resistor divider, and that of CXSU63219-5.0 is fixed internally on the chip. The device is available in the Green SOT-23-6 package. It operated over an ambient temperature range of -40℃ to +85℃.

   产品特点 返回TOP

---

• 90% Efficient Synchronous Boost Converter
• Device Quiescent Current: 30μA (TYP)
• Less than 1μA Shutdown Current
• Input Voltage Range: 2.7V to 5.5V
• 5.0V Fixed Output Voltage
• Output Voltage Clamping: 6V
• Adjustable Output Voltage Up to 5.5V
• Power-Save Mode for Improved Efficiency at Low
    Output Power
• Load Disconnect During Shutdown
• 1.8V Logic on EN Pin for Control
• Low Reverse Leakage Current when V_OUT > V_IN
• Over-Temperature Protection
• Available in Green SOT-23-6 Package
• -40℃ to +85℃ Operating Temperature Range

   应用范围 返回TOP

---

Single-Cell Li Battery Powered Products
Portable Audio Players
Cellular Phones
Personal Medical Products

   技术规格书（产品PDF) 返回TOP 

---

     需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！

 

产品封装图 返回TOP

---

电路原理图 返回TOP

 

---

 

相关芯片选择指南 返回TOP                           更多同类产品......

---

 

非同步升压转换器
Product	CH	Enable	VCC Min	VCC Max	VOUT(V)	IOUT(mA)	Frequency (kHz)	Iq  (mA)	SHDN Iq  (μA)	Package
CXSU63216	1	H	1.8	5.5	adj (up to 38)		adj(up to 1000)	0.02	1	TSOT-23-5 TDFN-2x2-6L
CXSU63217	1	H	3	20	adj (up to 38)	300	1200	0.4	1	TDFN-2x2-6L TSOT-23-6
同步整流升压转换器
Product	CH	Enable	VCC Min	VCC (Max)	VOUT V	IOUT (mA)	Frequency (kHz)	Iq  (mA)	SHDN Iq (μA)	Package
CXSU63218	1	H	0.9	5.5	3.3/5/adj	600	1200	0.033	1	SOT-23-6
CXSU63219	1	H	2.7	5.5	5/adj	600	1200	0.03	1	SOT-23-6