升压变换器CXSU63235高性能电流模式频率脉冲宽度调制PWM电路低ESR陶瓷输出电容器

CXSU63235升压变换器采用公司高性能、电流模式、频率可选择的脉冲宽度调制（PWM）电路，内置0.2Ωn沟道MOSFET，提供高效的调节器。高开关频率允许容易的滤波和更快的环路性能。外部补偿引脚提供了用户在确定环路动态的灵活性，允许使用小，低ESR陶瓷输出电容器

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

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The CXSU63235 boost converter in corporate high-performance, current-mode, frequency selectable pulse width modulation (PWM) circuitry with a built-in 0.2Ω n-channel MOSFET to provide a highly efficient regulator. High switching frequency allows easy filtering and faster loop performance. An external compensation pin provides the user flexibility in determining loop dynamics, allowing the use of small, low ESR ceramic output capacitors. The device can produce an output voltage as high as 20V. User programmed soft-start with an external capacitor determines the input current ramp rate. The CXSU63235 is available in a space-saving MSOP-8 and TDFN3X3-8 package.

   产品特点 返回TOP

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„ 90% Efficiency 

„ Adjustable Output from VIN to 20V 

„ 0.2Ω, 24V Power MOSFET 

„ Cycle-by-Cycle 2A Current Limit 

„ 2.5V to 5.5V Input Range 

„ 600kHz/1.2MHz Switching Frequency 

„ MSOP-8, TDFN3X3-8 Package

   应用范围 返回TOP

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„ LCD Displays 

„ Portable Applications 

„ Hand-Held Devices

   技术规格书（产品PDF) 返回TOP 

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产品封装图 返回TOP

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电路原理图 返回TOP

 

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Step Up Controller
Part   NO.	Vin(V) min.	Vin(V) max.	FSW (kHz)	FB(V)	TON min(ns)	TOFF min(ns)	Note	Package
CXSU63229	4.5	27	35~1000	0.7	400	200	SHDN,SS,OCP,   COMP,UVLO	MSOP-10(FD)
CXSU63230/A	4.5	27	35~1000	0.7	400	200	SHDN,SS, OCP, COMP,UVLO	MSOP-10(FD)
CXSU63231	2.5	13.5	10~1000	0.5	--	--	SS,SCP,UVLO, Dutymax=85%	TSSOP-8/SOP-8
CXSU63232	2.2	6	20~1000	0.5	--	--	SS,SCP,UVLO, Dutymax=85%	SOP-8/MSOP-8/TSSOP-8
Part   NO.	Vin(V) min.	Vin(V) max.	VOUT (max)(V)	FSW (kHz)	FB>(V)	ISW (A)	Note	Package
CXSU63233	2.5	5.5	5.075	1000	1.227	6.5	LX, LX,VBAT,   ILM0,ILM1,GND, FB,OC,VOUT, VOUT, Synchronous Boost	SOP-8(FD)
CXSU63234	2.5	5.5	22	600/1200	1.24	4	COMP,FB,EN, GND*2,LX*2,IN, FREQ,SS	TDFN3X3-10
CXSU63235	2.5	5.5	24	600/1200	1.24	2	COMP,FB,EN, GND,SW,VCC, FSL,SS	MSOP-8
CXSU63236	2.5	5.5	28	600/1200	1.24	4.6	COMP,FB,EN, GND*2,LX*2,IN, FREQ,SS	TDFN3X3-10
CXSU63237	2.5	6	28	1000	1.23	0.6	IN-,SCP,VCC,BR, OUT,GND,OSC, FB	SOT-23-5
CXSU63238	2.7	5.5	33	1000	1.25	0.85	LX,GND,FB,EN,IN	SOT-23-5
CXSU63239	2.7	5.5	30	1000	1.25	0.85	LX,GND,FB,EN,IN	SOT-23-5