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型号	下载订购	功能描述	制造商上传企业	LOGO
RT7204E	文件：1.25096 Mbytes Page：45 Pages	High-Integration USB Multi-Protocol Controller with Rectification Detection 1 General Description The RT7204E is a highly integrated, programmable controller that offers multi-protocol support and features high-precision shunt regulators for constant voltage (CV) and constant current (CC) regulation. An embedded MCU is designed to handle customized functions with fl 文件：1.25096 Mbytes 页数：45 Pages	RICHTEK 立锜科技	RICHTEK
RT7207	文件：395.35 Kbytes Page：25 Pages	USB PD Type-C Controller for SMPS General Description The RT7207 is a secondary-side USB Power Delivery (USB PD) Type-C controller for high-efficiency off-line AC-DC converters with slim form factor. The RT7207 integrates an MCU as a policy engine to handle USB PD protocol, and also integrates a built-in Biphase Mark Coding ( 文件：395.35 Kbytes 页数：25 Pages	RICHTEK 立锜科技	RICHTEK
RT7208EB	文件：2.10196 Mbytes Page：51 Pages	High-Integration USB PD Controller with Internal Feedback Compensation and Synchronous Rectification for ZVS Control General Description The RT7208EB is a programmable USB PD controller with built-in functions of synchronous rectification, bi- direction control and internal feedback compensation. The controller MCU handles various proprietary protocols via the D+/D- interface and supports USB PD Type-C via the 文件：2.10196 Mbytes 页数：51 Pages	RICHTEK 立锜科技	RICHTEK
RT7208EBGQW	文件：2.10196 Mbytes Page：51 Pages	High-Integration USB PD Controller with Internal Feedback Compensation and Synchronous Rectification for ZVS Control General Description The RT7208EB is a programmable USB PD controller with built-in functions of synchronous rectification, bi- direction control and internal feedback compensation. The controller MCU handles various proprietary protocols via the D+/D- interface and supports USB PD Type-C via the 文件：2.10196 Mbytes 页数：51 Pages	RICHTEK 立锜科技	RICHTEK
RT7250A	文件：300.07 Kbytes Page：14 Pages	2A, 17V, 340/800kHz Synchronous Step-Down Converter General Description The RT7250A/B is a high efficiency, monolithic synchronous step-down DC/DC converter that can operate at 340kHz/800kHz, while delivering up to 2A output current from a 4V to 17V input supply. Features • 4V to 17V Input Voltage Range • 2A Output Current • Internal N-MOSFETs 文件：300.07 Kbytes 页数：14 Pages	RICHTEK 立锜科技	RICHTEK
RT7250B	文件：300.07 Kbytes Page：14 Pages	2A, 17V, 340/800kHz Synchronous Step-Down Converter General Description The RT7250A/B is a high efficiency, monolithic synchronous step-down DC/DC converter that can operate at 340kHz/800kHz, while delivering up to 2A output current from a 4V to 17V input supply. Features • 4V to 17V Input Voltage Range • 2A Output Current • Internal N-MOSFETs 文件：300.07 Kbytes 页数：14 Pages	RICHTEK 立锜科技	RICHTEK
RT7250BZSP	文件：740.52 Kbytes Page：10 Pages	RT7250BZSP Evaluation Board General Description The RT7250A/B is a high efficiency, monolithic synchronous step-down DC/DC converter that can operate at 340kHz/800kHz, while delivering up to 2A output current from a 4V to 17V input supply. Features • 4V to 17V Input Voltage Range • 2A Output Current • Internal N-MOSFETs 文件：740.52 Kbytes 页数：10 Pages	RICHTEK 立锜科技	RICHTEK
RT7251A	文件：241.96 Kbytes Page：14 Pages	1.5A, 17V, 340/800kHz Synchronous Step-Down Converter General Description The RT7251A/B is a high efficiency, monolithic synchronous step-down DC/DC converter that can operate at 340kHz/800kHz, while delivering up to 1.5A output current from a 4V to 17V input supply. The RT7251A/Bs current mode architecture allows the transient response to be optimi 文件：241.96 Kbytes 页数：14 Pages	RICHTEK 立锜科技	RICHTEK
RT7251B	文件：241.96 Kbytes Page：14 Pages	1.5A, 17V, 340/800kHz Synchronous Step-Down Converter General Description The RT7251A/B is a high efficiency, monolithic synchronous step-down DC/DC converter that can operate at 340kHz/800kHz, while delivering up to 1.5A output current from a 4V to 17V input supply. The RT7251A/Bs current mode architecture allows the transient response to be optimi 文件：241.96 Kbytes 页数：14 Pages	RICHTEK 立锜科技	RICHTEK
RT7251BZQW	文件：682.93 Kbytes Page：12 Pages	Evaluation Board General Description The RT7251A/B is a high efficiency, monolithic synchronous step-down DC/DC converter that can operate at 340kHz/800kHz, while delivering up to 1.5A output current from a 4V to 17V input supply. The RT7251A/Bs current mode architecture allows the transient response to be optimi 文件：682.93 Kbytes 页数：12 Pages	RICHTEK 立锜科技	RICHTEK

技术参数

Vin(min)(V)：
4.5
Vin(max)(V)：
17
Number of Outputs：
1
Vout(min)(V)：
0.8
Vout(max)(V)：
12
Output Adj. Method：
Resistor
Iout(max)(A)：
3
Current Limit(typ)(A)：
5.1
Freq(typ)(kHz)：
1200
Ext Sync：
No
Ron_HS(typ)(mOhm)：
110
Ron_LS(typ)(mOhm)：
90
Iq(typ)(mA)：
0.8
Features：
Adjustable Soft-Start;Current Mode Control;Cycle-by-Cycle Current Limit;Enable Input;Internal Compensation;OCP;OTP;PSM;Stable with Ceramic Capacitor;UVP
Package Type：
PSOP-8

供应商	型号	品牌	批号	封装	库存	备注	价格
贸泽芯城（深圳）电子科技有限公司	RT7256BLZSP	RICHTEK/立锜	23+	SOP8	20601	一级代理原厂VIP渠道,专注军工、汽车、医疗、工业、	询价
深圳市科恒伟业电子有限公司	RT7256BLZSP	RICHTEK/立锜	2450+	SOP8	6540	只做原装正品假一赔十为客户做到零风险!!	询价
深圳市粤骏腾电子科技有限公司	RT7257	RICHTEK/立锜	24+	SOP-8	87987	原装正品现货供应	询价
深圳市正迈科技有限公司	RT7257AHZSP	立琦	23+	NA	7910	专业电子元器件供应链正迈科技特价代理特价，原装元器件供应，支持开发样品	询价
深圳市振宏微科技有限公司	RT7257AHZSP	Richtek	23+	NA	8719	专做原装正品,假一罚百!	询价
深圳市华斯顿科技有限公司	RT7257AHZSP	RICHTEK	25+23+	SOP8	74031	绝对原装正品现货,全新深圳原装进口现货	询价
深圳诚思涵科技有限公司	RT7257AHZSP	Richtek(立崎)	18+		9800	代理进口原装/实单价格可谈	询价
深圳市毅创弘电子科技有限公司	RT7257AHZSP	RichtekUSAInc.	24+	8-SOP-EP	66800	原厂授权一级代理,专注汽车、医疗、工业、新能源！	询价
中天科工半导体（深圳）有限公司	RT7257AHZSP	RICHTEK	20+	SOP8	32970	原装优势主营型号-可开原型号增税票	询价
深圳市正纳电子有限公司	RT7257AHZSP	立琦	ROHS+Original	NA	7910	专业电子元器件供应链/QQ 350053121 /正纳电子	询价

更多RT7供应商更新时间2026-4-17 16:10:00

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