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AP1621B-33WLA PDF预览

AP1621B-33WLA

更新时间: 2024-11-25 21:16:51
品牌 Logo 应用领域
ICT 光电二极管
页数 文件大小 规格书
5页 180K
描述
Dual Switching Controller, 0.1A, 360kHz Switching Freq-Max, PDSO5, LEAD FREE, SOT-23, 5 LEAD

AP1621B-33WLA 技术参数

生命周期:Obsolete零件包装代码:SOT-23
包装说明:LSSOP,针数:5
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
其他特性:IT ALSO OPERATES ON PFM MODE模拟集成电路 - 其他类型:DUAL SWITCHING CONTROLLER
控制技术:PULSE WIDTH MODULATION最大输入电压:7 V
最小输入电压:2.2 V标称输入电压:5 V
JESD-30 代码:R-PDSO-G5长度:2.85 mm
功能数量:1端子数量:5
最高工作温度:80 °C最低工作温度:-30 °C
最大输出电流:0.1 A封装主体材料:PLASTIC/EPOXY
封装代码:LSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH认证状态:Not Qualified
座面最大高度:1.35 mm表面贴装:YES
切换器配置:BUCK最大切换频率:360 kHz
温度等级:COMMERCIAL EXTENDED端子形式:GULL WING
端子节距:0.95 mm端子位置:DUAL
宽度:1.6 mmBase Number Matches:1

AP1621B-33WLA 数据手册

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AP1621  
PWM/PFM Dual Mode Step-down DC/DC Controller  
„ Features  
„ General Descriptions  
The AP1621 series are multi-functional step-down  
DC/DC converters with built-in speed, low ON  
resistance drivers. A more than 1A output current is  
possible using an externally connected transistor,  
coil, diode and capacitor.  
- Input voltage range:2.2V~7VVOUT type)  
- Adjustable version(±2.5%)  
- Oscillator frequency: 300KHz(±20%)  
- High Efficiency: 92%typ .)  
- Stand-by capability: ISTB2µA.Max .)  
- Output voltage type possibleFB)  
- Package: SOT23-5  
Output voltage is set-up by external resistor. ±2.5%  
accuracy.  
With a 300KHz switching frequency, the size of the  
external components can be reduced.  
Control switches from PWM to PFM during light  
loads with the AP1621PWM/PFM switchableand  
the series is highly efficient from light loads to large  
output currents.  
„ Applications  
Electronic Information Organizers  
Palmtops  
Cellular and portable phones  
Portable Audio Systems  
Various Multi-function Power Supplies  
During stand-by time CE pin “LOW”,current  
consumption is reduced to less than 2µA.  
With U.V.L.O internal, the external MOSFET. Will  
be forcibly switched off if used below the stipulated  
voltage.  
„ Pin Assignment  
„ Pin Descriptions  
Pin No.  
Pin  
Function  
Name  
A
B
(Top View)  
1
4
V OUT External PMOSFET Connection  
FB  
5
CE  
4
VDD  
5
VOUT  
4
2
3
2
5
GND Ground  
V DD Power Supply  
Chip Enable:  
AP1621A  
AP1621B  
4
5
1
3
CE  
H: Enable  
L: Disable  
FB  
Feedback pin  
1
2
3
1
2
3
VOUT  
CE  
GND  
GND FB  
VDD  
SOT23-5  
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of  
this product. No rights under any patent accompany the sale of the product.  
Rev.1.2 Dec. 23, 2004  
1/5  

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