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SS6621COTR

更新时间： 2024-11-21 06:13:59
品牌 Logo 应用领域
SSC 转换器稳压器开关式稳压器或控制器电源电路开关式控制器
页数 文件大小 规格书
12页 630K
描述
High Efficiency Synchronous Step-Up DC/DC Converter

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中文翻译

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SS6621COTR 技术参数

生命周期：Contact Manufacturer包装说明：,
Reach Compliance Code：unknown风险等级：5.77
Is Samacsys：NBase Number Matches：1

SS6621COTR 数据手册

 浏览型号SS6621COTR的Datasheet PDF文件第2页浏览型号SS6621COTR的Datasheet PDF文件第3页浏览型号SS6621COTR的Datasheet PDF文件第4页浏览型号SS6621COTR的Datasheet PDF文件第5页浏览型号SS6621COTR的Datasheet PDF文件第6页浏览型号SS6621COTR的Datasheet PDF文件第7页 
SS6620/21/2  
High Efficiency Synchronous Step-Up DC/DC Converter  
DESCRIPTION  
n
FEATURES  
n
High efficiency of 93% (VIN=2.4V, VOUT=3.3V,  
The SS6620/21/22 are high-efficiency step-  
up DC/DC converters, with start-up voltage as  
low as 0.8V and operating with an input voltage  
down to 0.7V. Consuming only 20mA of quies-  
cent current, these devices offer a built-in syn-  
chronous rectifier that reduces size and cost by  
eliminating the need for an external Schottky  
diode, improving overall efficiency by minimiz-  
ing losses.  
l
IOUT=200mA).  
Quiescent supply current of 20mA.  
Power-saving shutdown mode (0.1mA typical).  
Internal synchronous rectifier (no external diode )  
l
l
l
l
Selectable current limit for reduced ripple  
(SS6622).  
Low noise, anti-ringing feature (SS6622)  
On-chip low-battery detector.  
Low-battery hysteresis  
l
l
l
The switching frequency depends on the load  
and the input voltage and can range up to  
500KHz. The peak current of the internal switch  
is fixed at 0.8A (SS6620), at 0.45A  
(SS6621), or is selectable (SS6622) for  
APPLICATIONS  
l
n
Palmtop & notebook computers.  
PDAs  
l
Wireless phones  
Pocket organizers.  
Cameras.  
l
l
l
l
design flexibility. Ripple does not exceed the  
product of the switch current limit and the filter  
capacitor equivalent-series-resistance (ESR).  
The SS6622 also features a circuit that  
eliminates noise caused by inductor ringing.  
1 to 2-cell hand-held devices  
TYPICAL APPLICATION CIRCUIT  
n
V
IN  
+
100mF  
22mH  
Output 3.3V, or  
Adj. (1.8V to 4.0V)  
up to 300mA  
LX  
ON  
OFF  
SHDN  
SS6620  
OUT  
+
220mF  
SS6621  
SS6622  
Low-Battery  
Detect In  
LBI  
Low-Battery  
Detect Out  
LBO  
REF  
0.1mF  
FB  
LBO  
Rev.2.01 6/06/2003  
www.SiliconStandard.com  
1 of 12  
1234567...12

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与SS6621COTR相关器件

型号 品牌 获取价格 描述 数据表
SS6621U SENSITRON

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 		Rectifier Diode, 1 Phase, 1 Element, 1.2A, Silicon, HERMETIC SEALED, GLASS, 106, 2 PIN
SS6621US SENSITRON

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 		Rectifier Diode, 1 Phase, 1 Element, 1.2A, 400V V(RRM), Silicon, HERMETIC SEALED, GLASS, M
SS6622 SSC

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 		High Efficiency Synchronous Step-Up DC/DC Converter
SS6622COTR SSC

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 		High Efficiency Synchronous Step-Up DC/DC Converter
SS6622U SENSITRON

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 		Rectifier Diode, 1 Phase, 1 Element, 1.2A, Silicon, HERMETIC SEALED, GLASS, 106, 2 PIN
SS6622US SENSITRON

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 		Rectifier Diode, 1 Phase, 1 Element, 1.2A, 600V V(RRM), Silicon, HERMETIC SEALED, GLASS, M
SS6625 SENSITRON

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 		Rectifier Diode, 1 Phase, 1 Element, 1.5A, 1000V V(RRM), Silicon, 106, 2 PIN
SS6625U SENSITRON

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 		Rectifier Diode, 1 Phase, 1 Element, 1A, Silicon, HERMETIC SEALED, GLASS, 106, 2 PIN
SS6625US SENSITRON

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 		Rectifier Diode, 1 Phase, 1 Element, 1A, 1000V V(RRM), Silicon, HERMETIC SEALED, GLASS, ME
SS6626 SENSITRON

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 		Ultrafast Recovery Rectifier

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