首页 > 产品中心 > 电源管理芯片 > DC-DC转换器 > 6A输出电流的高效同步降压调节器I2C可编程输出电压CXSD62545输入电压4.5V至18V可调软启动时间输入UVLO

6A输出电流的高效同步降压调节器I2C可编程输出电压CXSD62545输入电压4.5V至18V可调软启动时间输入UVLO

产品型号：	CXSD62545
产品类型：	DC-DC转换器
产品系列：	Buck降压型芯片
产品状态：	量产
浏览次数：	46 次

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产品简介

CXSD62545开发了一种能够提供6A输出电流的高效同步降压调节器。该装置在4.5V至18V的宽输入电压范围内工作。采用瞬时脉宽调制结构，以实现快速瞬态响应。集成了一个I2C兼容接口，用于设置输出电压、读取状态等。该装置还具有启用控制、开漏功率良好指示器、逐周电流限制，短路保护和热关机

技术参数

输入电压范围 (VIN)	≤ 4.5~18V
输出电压 (VOUT)	ADJ(0.6)V
输出电流 (IOUT)	6A
工作频率	1500 Hz
转换效率	96%%
封装类型	SOP-8(FD)
Topology	Buck降压型芯片
Control method	PWM/PFM
Switching frequency	1500
Protection	过流/过压/过温
Features	静态工作电流Quiescent Current Typ (uA):500
Application	MOSFET (Ron H) (mΩ):50
Operating temp	-40℃~125℃
Reference design	Soft-start Time (ms)):ext
MOSFET (Ron L) (mΩ)	15
Shutdown Current (uA)	10
Output Voltage Acurracy	±1%

产品详细介绍

CXSD62545 develops a high efficiency synchronous buck regulator capable of delivering 6A output current. The device operates over a wide input voltage range from 4.5V to 18V. CXSD62545 adopts instant PWM architecture to achieve fast transient response.CXSD62545 integrates an I²Ccompatible interface for output voltage setting, status read back, etc. The device also features enable control, open drain power good indicator, cycle-by-cycle current limit, short circuit protection and thermal shutdown.CXSD62545 provides compact solution for TCON power system. It is available in a QFN3x3-20 package.

产品特点 返回TOP

· 4.5V to 18V Input Voltage Range

· 6A Synchronous Buck Regulator:

o Low R_DS(ON) for Internal Switches (Top FET/Bottom FET): 50/15 MΩ

o 6.0A Output Current Capability

o Instant PWM Architecture to Achieve Fast Transient Responses

o 200khz to 1MHz Programmable Switching Frequency

o I²CProgrammable Output Voltage with Initial Voltage Setting By Resistor Divider

o 0.6V+/-1% Feedback Reference Voltage

o Enable Control

o Power Good Indicator

o Adjustable Soft-Start Time

o PSM Mode at Light Load For High Efficiency

o Cycle-By-Cycle Current Limit Protection

o Hic-Cup Mode Output Short Circuit Protection

o Hic-Cup Mode Output Over Voltage Protection

· I²CCompatible Interface:

o Supports 100khz Standard Mode and 400khz Fast Mode

o 7-Bits VID Programmable Output Voltage From 0.68V To 1.95V With 10mv/Step

o VID Voltage Transition Slew Rate Control

o Power Good Status Read Back

o Over Temperature Warning Read Back

o On/Off Control

· Thermal Shutdown with Auto Recovery

· Input UVLO

· Rohs Compliant and Halogen Free

· Compact Package: QFN3x3-20

应用范围 返回TOP

· Tcon Power System

· Mobile Handsets

· Portable Applications

技术规格书（产品PDF) 返回TOP

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QQ截图20160419174301.jpg

产品封装图 返回TOP

电路原理图 返回TOP

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Single Output Step Down Regulator (Integrated Switch)
Number	Vin (min) (V)	Vin (max) V	UVLO (V)	Iout (max) (A)	Vout (min) (V)	Out. Voltage Acurracy	Quiescent Current Typ (uA)	Shutdown Current (uA)	MOSFET (Ron H) (mΩ)	MOSFET (Ron L) (mΩ)
CXSD62478	2.5	5.5	2.5	3.5	0.6	±1.5%	18	0.1	55	35
CXSD62479	2.5	5.5	2.5	1	0.6	±2%	40	0.1	260	170
CXSD62480A	2.5	5.5	2.4	1.2	0.6	±1.5%	50	0.1	200	150
CXSD62480B	2.5	5.5	2.4	0.6	0.6	±1.5%	50	0.1	300	200
CXSD62481	2.5	5.5	2.5	1	0.6	±1.5%	50	0.1	200	150
CXSD62481A	2.5	5.5	2.5	1	0.6	±1.5%	50	0.1	200	150
CXSD62481B	2.5	5.5	2.5	1	3.3	±1.5%	50	0.1	200	150
CXSD62481H	2.5	5.5	2.5	1.5	0.6	±1.5%	50	0.1	180	120
CXSD62481V	2.5	5.5	2.5	1.5	0.6	±1.5%	50	0.1	180	120
CXSD62482	2.5	5.5	2.5	1	0.6	±2%	40	0.1	230	150
CXSD62483	2.5	5.5	2.5	1	0.6	±2%	60	0.1	260	170
CXSD62483A	2.5	5.5	2.5	1	0.6	±2%	60	0.1	260	170
CXSD62483C	2.5	5.5	2.5	1	0.6	±2%	60	0.1	260	170
CXSD62484	2.5	5.5	2.5	1.5	0.6	±2%	90	0.1	180	120
CXSD62484L	2.5	5.5	2.5	1	0.6	±2%	90	0.1	250	200
CXSD62485	2.5	5.5	2.5	1	0.6	±2%	40	0.1	260	170
CXSD62486	2.5	6.5	2.5	1	0.6	±2%	40	0.1	260	170
CXSD62487	2.5	6.5	2.5	1	0.6	±2%	40	0.1	260	170
CXSD62488	2.5	5.5	2.5	1	0.6	±2%	40	0.1	270	160
CXSD62489	2.5	5.5	2.5	1	0.6	±2%	40	0.1	230	150
CXSD62490	2.7	5.5	2.5	3	0.6	±2%	55	0.1	110	80
CXSD62490A	2.7	5.5	2.5	3	0.6	±2%	55	0.1	110	80
CXSD62490B	2.7	5.5	2.65	3	0.6	±2%	55	0.1	100	80
CXSD62490E	2.7	5.5	2.65	3	0.6	±2%	55	0.1	110	80
CXSD62491B	2.5	5.5	2.5	1.5	0.6	±2%	60	0.1	210	130
CXSD62491E	2.7	5.5	2.65	2	0.6	±2%	55	0.1	110	80
CXSD62492L	2.7	5.5	2.65	2	0.6	±2%	55	0.1	120	90
CXSD62493	2.7	5.5	2.65	2	0.6	±2%	55	0.1	110	80
CXSD62493A	2.7	5.5	2.65	2	0.6	±2%	55	0.1	110	80
CXSD62493B	2.7	5.5	2.65	2	0.6	±2%	55	0.1	110	80
CXSD62494	2.7	6.5	2.65	2	0.6	±2%	55	0.1	125	95
CXSD62494P	2.7	6.5	2.65	2	0.6	±2%	55	0.1	125	95
CXSD62495	2.7	5.5	2.7	2.5	0.6	±2%	80	0.1	100	80
CXSD62495E	2.7	5.5	2.7	2.5	0.6	±2%	80	0.1	100	80
CXSD62497	2.7	5.5	1.8	3	0.6	±1%	55	0.1	85	50
CXSD62498	2.5	5.5	2.5	3	0.8	±1.5%	18	0.1	75	55
CXSD62499	2.5	5.5	2.5	3	0.6	±1.5%	18	0.1	75	55
CXSD62500	2.5	5.5	2.5	0.45	0.6	±2%	1.5	0.1	400	200
CXSD62501	1.85	5.5	1.85	0.6	0.4	±2%	40	0.1	350	250
CXSD62502	2.5	5.5	2.5	4	0.6	±1.5%	18	0.1	75	55
CXSD62503	2.7	5.5	2.7	5	0.6	±1.5%	150	0.1	45	35
CXSD62504	2.7	5.5	2.7	4	0.6	±1.5%	60	0.1	35	15
CXSD62505	2.5	5.5	2.5	4	0.7	±1%	30	0.1	70	40
CXSD62506	2.7	5.5		6	0.6	±1.5%	150	0.1	40	30
CXSD62507	3	5.5	2.8	5	0.6	±1.5%	100	0.1	35	15
CXSD62508	3	5.5	2.9	6	0.6	±1.5%	100	0.1	35	15
CXSD62509	2.75	6	2.7	6	0.6	±1.5%	60	0.1	35	15
CXSD62510	2.5	5.5	2.5	5	0.6	±1.5%	18	0.1	55	35
CXSD62511	2.7	6.5	2.7	6	0.6	±1.5%	60	0.1	38	15
CXSD62512	2.6	5.5	2.6	6	0.7125	±1.5%	75	0.1	28	17
CXSD62513	2.7	5.5	2.65	6	0.6	±1%	50	0.1	35	15
CXSD62514	2.5	5.5	2.5	0.6	0.6	±2%	40	0.1	230	150
CXSD62514A	2.5	5.5	2.5	0.6	1.2	±2%	40	0.1	230	150
CXSD62514B	2.5	5.5	2.5	0.6	1.5	±2%	40	0.1	230	150
CXSD62514C	2.5	5.5	2.5	0.6	1.8	±2%	40	0.1	230	150
CXSD62514D	2.5	5.5	2.5	0.6	2.5	±2%	40	0.1	230	150
CXSD62514E	2.5	5.5	2.5	0.6	3.3	±2%	40	0.1	230	150
CXSD62514F	2.5	5.5	2.5	0.6	1	±2%	40	0.1	230	150
CXSD62515	2.5	5.5	2.5	1.2	0.6	±2%	40	0.1	230	150
CXSD62516	2.75	5.5	2.75	2	0.6	±1.5%	68	0.1	40	20
CXSD62517	2.75	5.5	2.75	3	0.6	±1.5%	68	0.1	35	15
CXSD62518	2.7	5.5	2.7	4	0.6	±1.5%	60	0.1	35	15
CXSD62519	4.5	23	2.4	2	0.6	±1.5%	100	5	105	50
CXSD62520	4.5	18	4.5	5	0.6	±1%	500	10	50	15
CXSD62521	5	40	4.5	0.3	0.6	±2.0%	160	5	2000
CXSD62522	6	24	4.5	0.6	0.6	±2%	400	5	420	200
CXSD62523	4.5	55	4.5	0.8	0.6	±1%	150	5	700
CXSD62524	4.5	27	4.5	1	0.6	±2%	400	5	350	150
CXSD62524C	4.5	27	4.5	1	0.6	±2%	400	5	350	150
CXSD62525	7	100	6.5	1	1.2	±2.0%	400	5	500	240
CXSD62526	7	85	6.8	1.2	1.2	±2.0%	400	8	500	240
CXSD62527	5	40	4.5	1.2	0.6	±2.0%	160	5	180	180
CXSD62528	4.5	18	4.45	2	0.6	±2%	400	5	130	120
CXSD62529	4.5	18	4.5	2	0.6	±2%	400	5	140	130
CXSD62529C	4.5	18	4.5	2	0.81	±2%	400	5	130	120
CXSD62530	4.5	23	4.5	2	0.6	±1.5%	100	5	130	60
CXSD62531	4.5	23	4.5	2	0.6	±1.5%	400	10	150	110
CXSD62532	4.5	23	4.5	2	0.6	±1.5%	400	10	150	110
CXSD62533	5	40	4.5	2	0.6	±2.0%	160	10	180
CXSD62534A	4.5	18	4.5	3	0.6	±1.5%	100	5	80	40
CXSD62534B	4.5	18	4.5	3	0.6	±1.5%	100	5	80	40
CXSD62534C	4.5	18	4.5	3	0.6	±1.5%	100	5	80	40
CXSD62534D	4.5	18	4.5	3	0.6	±1.5%	100	5	80	40
CXSD62535	4.5	23	4.5	3	0.6	±1.5%	400	10	120	85
CXSD62536	4.5	23	4.5	3	0.6	±1.5%	400	10	120	85
CXSD62537	4.5	23	4.5	3	0.6	±1.5%	100	5	105	50
CXSD62538	4.5	23	4.5	3	0.6	±1.5%	400	10	130	90
CXSD62539	4.5	30	4	3	0.6	±1.5%	200	5	90	60
CXSD62540	4.5	40	4.35	3	0.6	±1.5%	18	1	110	70
CXSD62541	5	40	4.5	3	0.6	±2.0%	160	10	180
CXSD62542	4.5	18	4.5	4	0.6	±1.5%	100	5	50	30
CXSD62543	4.5	30	4	4	0.6	±1.5%	200	5	80	50
CXSD62544	4.5	18	4.5	5	0.6	±1.5%	100	5	40	20
CXSD62545	4.5	18	4.25	6	0.6	±1%	500	10	50	15
CXSD62546	4.5	30	4	5	0.6	±1.5%	200	5	70	40
CXSD62547	4	28	3.9	6	0.6	±1.5%	100	3	40	20
CXSD62548	4	28	3.9	8	0.6	±1%	100	3	20	10
CXSD62549	4	23	3.9	6	0.6	±1%	120	6	38	19
CXSD62550	4	28	3.9	10	0.6	±1.5%	300	3	25	8
CXSD62551	4	23	3.9	8	0.6	±1%	80	3	30	10
CXSD62551A	4	23	3.9	8	0.6	±1%	120	6	22	11
CXSD62552	4	18	4.3	12	0.6	±1%	500	10	16	4
CXSD62553	4	18	3.9	16	0.6	±1.5%	150	7	7.5	2.5
CXSD62496	2.5	5.5	2.5	1.5	0.6	±1.5%	50	0.1	200	150
CXSD62496L	2.5	5.5	2.5	0.6	0.6	±1.5%	50	0.1	300	200

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上一篇：CXSD62544 High Efficiency, Fast Response, 6A, 18V Input Synchronous Buck with I2C Interface

下一篇：5A的输出电流高效同步降压DC/DC转换器4.5V到30V输入电压CXSD62546软启动限制浪涌电流热关断和自动恢复

6A输出电流的高效同步降压调节器I2C可编程输出电压CXSD62545输入电压4.5V至18V可调软启动时间输入UVLO

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6A输出电流的高效同步降压调节器I2C可编程输出电压CXSD62545输入电压4.5V至18V可调软启动时间输入UVLO

产品资料下载

产品简介

技术参数

产品详细介绍

目录

相关芯片选择指南 返回TOP 更多同类产品。。。。

用户评论

关注我们

相关芯片选择指南返回TOP 更多同类产品。。。。