3A, 40V, 200KHz 降压型DC-DC变换器3A,40V,200KHz Step-Down Converter CXSD62286是一款采用电流模脉宽调制架构的降压型DC-DC变换器，可以提供高达3A的负载电流，具有很好的线性调整率和负载调整率。CXSD62286可以在4.75V～40V宽输入电压范围内稳定工作，通过外部分压电阻调节实现0.92～15V的输出电压

发布时间：2020-04-06 09:43:38 浏览次数：706 作者：嘉泰姆

摘要：3A, 40V, 200KHz 降压型DC-DC变换器3A,40V,200KHz Step-Down Converter CXSD62286是一款采用电流模脉宽调制架构的降压型DC-DC变换器，可以提供高达3A的负载电流，具有很好的线性调整率和负载调整率。CXSD62286可以在4.75V～40V宽输入电压范围内稳定工作，通过外部分压电阻调节实现0.92～15V的输出电压

CXSD62286是一款采用电流模脉宽调制架构的降压型DC-DC变换器，可以提供高达3A的负载电流，具有很好的线性调整率和负载调整率。CXSD62286可以在4.75V～40V宽输入电压范围内稳定工作，通过外部分压电阻调节实现0.92～15V的输出电压。输出电流阈值通过外部电阻来设定，当输出电流达到设定的阈值时，CXSD62286进入恒流工作模式。输出过压阈值通过外部分压电阻来设定，当输出电压达到设定的阈值时，CXSD62286停止工作。CXSD62286具有次级周期性的峰值电流限制和过温等保护机制，以确保芯片工作的安全性。芯片在关断模式下的静态电流可低至3μA。具有内部软启动功能可以很好的抑制浪涌电流和输出电压的过冲。CXSD62286以通过少数量的标准外围器件实现变换器功能，有效的节省了应用空间。CXSD62286采用SOP-8(EP)封装，工作温度范围为-40℃到+85℃。The CXSD62286 is current mode, step-down switching regulator capable of driving 3A continuous load with excellent line and load regulation. The CXSD62286 operates with an input voltage range from 4.75V to 40V and the output voltage is externally set from 0.92V to 15V with a resistor divider. The output current threshold is programmed by an external resistor. The CXSD62286 enters into the CC (constant current) mode when output reaches over current threshold. The OV (over voltage) threshold is programmed by an external resistor divider. The CXSD62286stops switching when output reaches over voltage threshold. Fault condition protection includes secondary cycle-by-cycle current limit and thermal shutdown. In shutdown mode the regulator draws 3μA of supply current. Internal soft-start minimizes the inrush supply current and the output overshoot at initial startup. The CXSD62286require a minimum number of external components.

产品特点 返回TOP0Tu嘉泰姆

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• 输入电压范围：4.75V至40V0Tu嘉泰姆

• 输出电压可调：0.92V至15V0Tu嘉泰姆

• 高达3A的输出电流

• 可编程输出电流阈值

• 输入电压范围：4.75V至40V0Tu嘉泰姆

• 输出电压可调：0.92V至15V0Tu嘉泰姆

• 高达3A的输出电流

• 可编程输出电流阈值

• 可编程输出过压阈值

• 关断电流低至3μA0Tu嘉泰姆

• 内部集成0.1Ω的DMOS开关管0Tu嘉泰姆

• 效率高达95%0Tu嘉泰姆

• 200KHz固定开关频率

• 芯片内部软启动

• 次级周期性的峰值电流限制保护

• 过温保护0Tu嘉泰姆

• 输入欠压锁定0Tu嘉泰姆

• SOP-8(EP)封装0Tu嘉泰姆

• 符合RoHS规范及Pb-Free0Tu嘉泰姆

4.75V to 40V Wide Input Operating Range0Tu嘉泰姆

Output Adjustable from 0.92V to 15V0Tu嘉泰姆

Up to 3A Output Current0Tu嘉泰姆

Programmable Output Current Threshold0Tu嘉泰姆

Programmable Output Over Voltage Threshold0Tu嘉泰姆

3μA Low Shutdown Current0Tu嘉泰姆

0.1 Internal DMOS Output Switch0Tu嘉泰姆

Up to 95% Efficiency0Tu嘉泰姆

Fixed 200kHz Switching Frequency0Tu嘉泰姆

Internal Soft Start0Tu嘉泰姆

Secondary Cycle-by-Cycle Current Limit0Tu嘉泰姆

Thermal Shutdown0Tu嘉泰姆

Input Supply Undervoltage Lockout0Tu嘉泰姆

Available SOP-8 (EP) Package0Tu嘉泰姆

RoHS Compliant and 100% Lead(Pb)-Free0Tu嘉泰姆

Halogen-Free0Tu嘉泰姆

应用范围 返回TOP0Tu嘉泰姆

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• 车载充电器/适配器

• 可充电便携式设备0Tu嘉泰姆

• 分布式电源系统

• 为线性稳压器供电0Tu嘉泰姆

Car Charger/Adaptor0Tu嘉泰姆

Rechargeable Portable Devices0Tu嘉泰姆

Distributive Power Systems0Tu嘉泰姆

Pre-regulator for Linear Regulators0Tu嘉泰姆

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DC/DC开关稳压器 > 降压转换器/控制器</span>0Tu嘉泰姆
Part 0Tu嘉泰姆 Number0Tu嘉泰姆	remark0Tu嘉泰姆	Iout 0Tu嘉泰姆 (mA)0Tu嘉泰姆	Vin 0Tu嘉泰姆 (V)0Tu嘉泰姆	Vout 0Tu嘉泰姆 (V)0Tu嘉泰姆	IQ 0Tu嘉泰姆 (μA)0Tu嘉泰姆	FB 0Tu嘉泰姆 (V)0Tu嘉泰姆	Freq. 0Tu嘉泰姆 (KHz)0Tu嘉泰姆	Peak 0Tu嘉泰姆 Efficency 0Tu嘉泰姆 (%)0Tu嘉泰姆	Package0Tu嘉泰姆
CXSD622550Tu嘉泰姆	6A, 30V, Synchronous Step-Down Converter with Programmable Frequency0Tu嘉泰姆	60000Tu嘉泰姆	2.7~300Tu嘉泰姆	0.8~200Tu嘉泰姆	10000Tu嘉泰姆	0.80Tu嘉泰姆	100~10000Tu嘉泰姆	>950Tu嘉泰姆	TQFN-23L0Tu嘉泰姆
CXSD622560Tu嘉泰姆	2A, 30V, 340KHz Synchronous Step-Down Converter0Tu嘉泰姆	20000Tu嘉泰姆	4.5~300Tu嘉泰姆	0.92~200Tu嘉泰姆	10000Tu嘉泰姆	0.920Tu嘉泰姆	3400Tu嘉泰姆	>940Tu嘉泰姆	SOP-80Tu嘉泰姆
CXSD622570Tu嘉泰姆	3A, 30V, 340KHz Synchronous Step-Down Converter0Tu嘉泰姆	30000Tu嘉泰姆	4.5~300Tu嘉泰姆	0.92~200Tu嘉泰姆	10000Tu嘉泰姆	0.920Tu嘉泰姆	3400Tu嘉泰姆	>940Tu嘉泰姆	SOP-8(EP)0Tu嘉泰姆
CXSD622580Tu嘉泰姆	CC/CV Mode Synchronous Step-Down Converter0Tu嘉泰姆	40000Tu嘉泰姆	8~360Tu嘉泰姆	0.6~120Tu嘉泰姆	10000Tu嘉泰姆	0.60Tu嘉泰姆	80~8000Tu嘉泰姆	>950Tu嘉泰姆	SOP-8(EP)0Tu嘉泰姆
CXSD622590Tu嘉泰姆	Dual-Channel CC/CV Mode Synchronous Step-Down Controller0Tu嘉泰姆	50000Tu嘉泰姆	8~360Tu嘉泰姆	0.6~120Tu嘉泰姆	10000Tu嘉泰姆	0.60Tu嘉泰姆	1500Tu嘉泰姆	>950Tu嘉泰姆	MSOP-100Tu嘉泰姆
CXSD622600Tu嘉泰姆	CC/CV Mode Synchronous Step-Down Converter0Tu嘉泰姆	40000Tu嘉泰姆	4.5~360Tu嘉泰姆	0.6~200Tu嘉泰姆	10000Tu嘉泰姆	0.60Tu嘉泰姆	80~8000Tu嘉泰姆	>950Tu嘉泰姆	SOP-8(EP)0Tu嘉泰姆
CXSD622610Tu嘉泰姆	CC/CV Mode Synchronous Step-Down Converter0Tu嘉泰姆	40000Tu嘉泰姆	4.5~300Tu嘉泰姆	0.6~120Tu嘉泰姆	10000Tu嘉泰姆	0.60Tu嘉泰姆	80~8000Tu嘉泰姆	>950Tu嘉泰姆	SOP-8(EP)0Tu嘉泰姆
CXSD622620Tu嘉泰姆	Dual-Channel CC/CV Mode Synchronous Step-Down Converter0Tu嘉泰姆	50000Tu嘉泰姆	8~360Tu嘉泰姆	0.6~120Tu嘉泰姆	10000Tu嘉泰姆	0.60Tu嘉泰姆	80~8000Tu嘉泰姆	950Tu嘉泰姆	SOP-8(EP)0Tu嘉泰姆
CXSD622630Tu嘉泰姆	5A, CC/CV Mode Step-Down Converter0Tu嘉泰姆	50000Tu嘉泰姆	8~360Tu嘉泰姆	1.18~120Tu嘉泰姆	5000Tu嘉泰姆	1.180Tu嘉泰姆	1200Tu嘉泰姆	>950Tu嘉泰姆	SOP-8(EP)0Tu嘉泰姆
CXSD622640Tu嘉泰姆	CC/CV Mode Step-Down Converter0Tu嘉泰姆	30000Tu嘉泰姆	8~360Tu嘉泰姆	1.18~120Tu嘉泰姆	5000Tu嘉泰姆	1.180Tu嘉泰姆	1200Tu嘉泰姆	>950Tu嘉泰姆	SOP-80Tu嘉泰姆
CXSD622650Tu嘉泰姆	3A,40V,200KHz Step-Down Converter0Tu嘉泰姆	30000Tu嘉泰姆	4.75~400Tu嘉泰姆	0.92~150Tu嘉泰姆	5500Tu嘉泰姆	0.920Tu嘉泰姆	2000Tu嘉泰姆	>950Tu嘉泰姆	SOP-8(EP)0Tu嘉泰姆
CXSD622660Tu嘉泰姆	1.5MHz, 800mA Synchronous Step-Down Converter with Soft Start0Tu嘉泰姆	8000Tu嘉泰姆	2.5 ~ 5.50Tu嘉泰姆	0.6~Vin0Tu嘉泰姆	2700Tu嘉泰姆	0.60Tu嘉泰姆	15000Tu嘉泰姆	> 960Tu嘉泰姆	TSOT23-5,SOT23-50Tu嘉泰姆
CXSD622670Tu嘉泰姆	3A, Synchronous Step-Down Converter0Tu嘉泰姆	30000Tu嘉泰姆	2.7~5.50Tu嘉泰姆	0.6~50Tu嘉泰姆	5000Tu嘉泰姆	0.60Tu嘉泰姆	10000Tu嘉泰姆	>960Tu嘉泰姆	TDFN-10,SOP-8(EP)0Tu嘉泰姆
CXSD622680Tu嘉泰姆	1A, 2.25MHz Synchronous Step-Down DC/DC Regulator0Tu嘉泰姆	10000Tu嘉泰姆	2.7~5.50Tu嘉泰姆	0.6~3.30Tu嘉泰姆	300Tu嘉泰姆	0.60Tu嘉泰姆	22500Tu嘉泰姆	>940Tu嘉泰姆	TDFN-60Tu嘉泰姆
CXSD622690Tu嘉泰姆	1.5MHz,1A Synchronous Step-Down Converter with Soft Start0Tu嘉泰姆	10000Tu嘉泰姆	2.5 ~ 5.50Tu嘉泰姆	0.6~50Tu嘉泰姆	2700Tu嘉泰姆	0.60Tu嘉泰姆	15000Tu嘉泰姆	> 960Tu嘉泰姆	TDFN-6,SOT23-5,TSOT23-50Tu嘉泰姆
CXSD622700Tu嘉泰姆	5A, 3MHz Synchronous Step-Down DC-DC with I2C Compatible Interface0Tu嘉泰姆	50000Tu嘉泰姆	2.7~5.50Tu嘉泰姆	0.6~1.40Tu嘉泰姆	520Tu嘉泰姆	-0Tu嘉泰姆	30000Tu嘉泰姆	-0Tu嘉泰姆	WCSP-200Tu嘉泰姆
CXSD622710Tu嘉泰姆	1A, 2.25MHz Synchronous Step-Down DC/DC Regulator0Tu嘉泰姆	10000Tu嘉泰姆	2.7 ~ 5.50Tu嘉泰姆	0.6~Vin0Tu嘉泰姆	300Tu嘉泰姆	0.60Tu嘉泰姆	22500Tu嘉泰姆	> 950Tu嘉泰姆	TDFN-6,TSOT23-50Tu嘉泰姆
CXSD622720Tu嘉泰姆	Dual High-Efficiency 1.5MHz 1A PWM Step-Down DC-DC Converter0Tu嘉泰姆	1000 /10000Tu嘉泰姆	2.5 ~ 5.50Tu嘉泰姆	0.6~50Tu嘉泰姆	2700Tu嘉泰姆	0.60Tu嘉泰姆	15000Tu嘉泰姆	> 960Tu嘉泰姆	TDFN-120Tu嘉泰姆
CXSD622730Tu嘉泰姆	Dual 1A, 2.25MHz Synchronous Step-Down DC/DC Regulator0Tu嘉泰姆	1000/10000Tu嘉泰姆	2.7 ~ 5.50Tu嘉泰姆	0.6~Vin0Tu嘉泰姆	450Tu嘉泰姆	0.60Tu嘉泰姆	22500Tu嘉泰姆	> 950Tu嘉泰姆	TDFN-100Tu嘉泰姆
CXSD622740Tu嘉泰姆	Dual 1A, 2.25MHz Synchronous Step-Down DC/DC Regulator0Tu嘉泰姆	1000/10000Tu嘉泰姆	2.7 ~ 5.50Tu嘉泰姆	0.6~Vin0Tu嘉泰姆	300Tu嘉泰姆	0.60Tu嘉泰姆	22500Tu嘉泰姆	> 950Tu嘉泰姆	TDFN-120Tu嘉泰姆
CXSD622750Tu嘉泰姆	1.2A,30V,1.2MHz Step-Down Converter0Tu嘉泰姆	12000Tu嘉泰姆	4.5 ~ 300Tu嘉泰姆	0.8~150Tu嘉泰姆	5500Tu嘉泰姆	0.80Tu嘉泰姆	12000Tu嘉泰姆	> 920Tu嘉泰姆	SOT23-60Tu嘉泰姆
CXSD622760Tu嘉泰姆	1.5A, 2.25MHz Synchronous Step-Down DC/DC Regulator0Tu嘉泰姆	15000Tu嘉泰姆	2.7 ~ 5.50Tu嘉泰姆	0.6~Vin0Tu嘉泰姆	300Tu嘉泰姆	0.60Tu嘉泰姆	22500Tu嘉泰姆	> 950Tu嘉泰姆	TDFN-60Tu嘉泰姆
CXSD622770Tu嘉泰姆	1.5A,40V,200KHz Step-Down Converter0Tu嘉泰姆	15000Tu嘉泰姆	4.75 ~ 400Tu嘉泰姆	0.92~150Tu嘉泰姆	5500Tu嘉泰姆	0.920Tu嘉泰姆	2000Tu嘉泰姆	> 950Tu嘉泰姆	SOP-80Tu嘉泰姆
CXSD622780Tu嘉泰姆	2A, Synchronous Step-Down Converter0Tu嘉泰姆	20000Tu嘉泰姆	2.7 ~ 5.50Tu嘉泰姆	0.8~50Tu嘉泰姆	5000Tu嘉泰姆	0.80Tu嘉泰姆	10000Tu嘉泰姆	> 960Tu嘉泰姆	SOP-80Tu嘉泰姆
CXSD622790Tu嘉泰姆	2A, 30V, 340KHz SynchronousStep-Down Converter0Tu嘉泰姆	20000Tu嘉泰姆	4.5 ~ 300Tu嘉泰姆	0.923~200Tu嘉泰姆	4500Tu嘉泰姆	0.9230Tu嘉泰姆	3400Tu嘉泰姆	>930Tu嘉泰姆	SOP-80Tu嘉泰姆
CXSD622800Tu嘉泰姆	2A, 30V, 340KHz Synchronous Step-Down Converter0Tu嘉泰姆	20000Tu嘉泰姆	4.5~300Tu嘉泰姆	0.923~200Tu嘉泰姆	4500Tu嘉泰姆	0.9230Tu嘉泰姆	3400Tu嘉泰姆	>950Tu嘉泰姆	SOP-80Tu嘉泰姆
CXSD622810Tu嘉泰姆	2A, 30V, 340KHz Synchronous Step-Down Converter0Tu嘉泰姆	20000Tu嘉泰姆	4.5~300Tu嘉泰姆	0.923~200Tu嘉泰姆	4500Tu嘉泰姆	0.9230Tu嘉泰姆	3400Tu嘉泰姆	>950Tu嘉泰姆	SOP-80Tu嘉泰姆
CXSD622820Tu嘉泰姆	3A,30V,500KHz Step-Down Converter0Tu嘉泰姆	30000Tu嘉泰姆	4. 5 ~ 300Tu嘉泰姆	0.8~120Tu嘉泰姆	4500Tu嘉泰姆	0.80Tu嘉泰姆	5000Tu嘉泰姆	> 950Tu嘉泰姆	SOP-8(EP)0Tu嘉泰姆
CXSD622830Tu嘉泰姆	3A, 28V, 500kHz Synchronous Step-Down Converter0Tu嘉泰姆	30000Tu嘉泰姆	4.5 ~ 280Tu嘉泰姆	0.8~240Tu嘉泰姆	11000Tu嘉泰姆	0.80Tu嘉泰姆	5000Tu嘉泰姆	>950Tu嘉泰姆	SOP-8(EP)0Tu嘉泰姆
CXSD622840Tu嘉泰姆	3A, 28V, 500kHz Synchronous Step-Down Converter0Tu嘉泰姆	30000Tu嘉泰姆	4.5 ~ 280Tu嘉泰姆	0.8~240Tu嘉泰姆	11000Tu嘉泰姆	0.80Tu嘉泰姆	5000Tu嘉泰姆	>950Tu嘉泰姆	SOP-8（EP）</span>0Tu嘉泰姆
CXSD622850Tu嘉泰姆	3A, 28V, 1MHz Synchronous Step-Down Converter0Tu嘉泰姆	30000Tu嘉泰姆	4.5 ~ 280Tu嘉泰姆	0.8~240Tu嘉泰姆	11000Tu嘉泰姆	0.80Tu嘉泰姆	10000Tu嘉泰姆	>950Tu嘉泰姆	SOP-8(EP),TDFN-8(EP)0Tu嘉泰姆
CXSD622860Tu嘉泰姆	3A,40V,200KHz Step-Down Converterr0Tu嘉泰姆	30000Tu嘉泰姆	4.75 ~ 400Tu嘉泰姆	0.92~150Tu嘉泰姆	5500Tu嘉泰姆	0.920Tu嘉泰姆	2000Tu嘉泰姆	>950Tu嘉泰姆	SOP-8(EP)0Tu嘉泰姆
CXSD622870Tu嘉泰姆	3A, 28V, 1MHz Synchronous Step-Down Converter0Tu嘉泰姆	30000Tu嘉泰姆	4.5 ~ 280Tu嘉泰姆	0.8~240Tu嘉泰姆	11000Tu嘉泰姆	0.80Tu嘉泰姆	10000Tu嘉泰姆	>950Tu嘉泰姆	SOP-8（EP）</span>0Tu嘉泰姆
CXSD622880Tu嘉泰姆	3A, 30V, 340KHz Synchronous Step-Down Converter0Tu嘉泰姆	30000Tu嘉泰姆	4.5 ~ 300Tu嘉泰姆	0.925~120Tu嘉泰姆	4500Tu嘉泰姆	0.9250Tu嘉泰姆	3400Tu嘉泰姆	>950Tu嘉泰姆	SOP-8(EP)0Tu嘉泰姆
CXSD622890Tu嘉泰姆	3A, 30V, 340KHz Synchronous Step-Down Converter0Tu嘉泰姆	30000Tu嘉泰姆	4.5~300Tu嘉泰姆	0.923~200Tu嘉泰姆	4500Tu嘉泰姆	0.9250Tu嘉泰姆	3400Tu嘉泰姆	>950Tu嘉泰姆	SOP-8(EP)0Tu嘉泰姆
CXSD622900Tu嘉泰姆	3.2A, Synchronous Step-Down Converter0Tu嘉泰姆	32000Tu嘉泰姆	2.7 ~ 5.50Tu嘉泰姆	0.8~50Tu嘉泰姆	5000Tu嘉泰姆	0.80Tu嘉泰姆	10000Tu嘉泰姆	> 960Tu嘉泰姆	SOP-8(EP)0Tu嘉泰姆
CXSD622910Tu嘉泰姆	4A, 21V, 500KHz Synchronous Step-Down Converter0Tu嘉泰姆	40000Tu嘉泰姆	4.5 ~ 210Tu嘉泰姆	0.8~150Tu嘉泰姆	9000Tu嘉泰姆	0.8080Tu嘉泰姆	5000Tu嘉泰姆	>950Tu嘉泰姆	SOP-8(EP)0Tu嘉泰姆
CXSD622920Tu嘉泰姆	5A,30V,500KHz Step-Down Converter0Tu嘉泰姆	50000Tu嘉泰姆	5.5 ~ 300Tu嘉泰姆	1.222~260Tu嘉泰姆	5500Tu嘉泰姆	1.2220Tu嘉泰姆	5000Tu嘉泰姆	> 950Tu嘉泰姆	SOP-8(EP)0Tu嘉泰姆
CXSD622930Tu嘉泰姆	6A Synchronous Step-Down Converter0Tu嘉泰姆	60000Tu嘉泰姆	3.3~5.50Tu嘉泰姆	0.6~20Tu嘉泰姆	10000Tu嘉泰姆	0.6~20Tu嘉泰姆	12000Tu嘉泰姆	>930Tu嘉泰姆	TQFN-200Tu嘉泰姆
CXSD622940Tu嘉泰姆	4A, Synchronous Step-Down Converter0Tu嘉泰姆	40000Tu嘉泰姆	2.7~5.50Tu嘉泰姆	0.6-~50Tu嘉泰姆	5000Tu嘉泰姆	0.60Tu嘉泰姆	10000Tu嘉泰姆	960Tu嘉泰姆	TDFN-100Tu嘉泰姆
CXSD622950Tu嘉泰姆	2A, 24V, 340KHz Synchronous Step-Down Converter0Tu嘉泰姆	20000Tu嘉泰姆	4.5~240Tu嘉泰姆	0.92~200Tu嘉泰姆	10000Tu嘉泰姆	0.920Tu嘉泰姆	3400Tu嘉泰姆	940Tu嘉泰姆	SOP-8,TSOT23-80Tu嘉泰姆
CXSD622960Tu嘉泰姆	3A, 24V, 340KHz Synchronous Step-Down Converter0Tu嘉泰姆	30000Tu嘉泰姆	4.5~240Tu嘉泰姆	0.92~200Tu嘉泰姆	10000Tu嘉泰姆	0.920Tu嘉泰姆	3400Tu嘉泰姆	940Tu嘉泰姆	SOP-80Tu嘉泰姆

0Tu嘉泰姆

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上一篇： 3A, 28V, 1MHz 同步降压型DC-DC变换器3A, 28V, 1MHz Synchronous Step-Down Converter CXSD62285是一款1MHz固定频率同步电流模降压型DC-DC变换器。芯片集成了135mΩ主开关和90mΩ同步整流开关，在4.5V～28V的输入范围内能够提供高达3A的负载电流。内部集成了同步整流开关，不再需要外接肖特基二极管，提高了效率。电流模

下一篇： 3A, 28V, 1MHz 同步降压型DC-DC变换器3A, 28V, 1MHz Synchronous Step-Down Converter CXSD62287A是一款1MHz固定频率同步电流模降压型DC-DC变换器。芯片集成了135mΩ主开关和90mΩ同步整流开关，在4.5V～28V的输入范围内能够提供高达3A的负载电流。内部集成了同步整流开关，不再需要外接肖特基二极管，提高了效率

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