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AP1520S

更新时间： 2024-02-08 10:59:52
品牌 Logo 应用领域
易亨 - ANACHIP 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光电二极管
页数 文件大小 规格书
7页 194K
描述
PWM Control 2A Step-Down Converter

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AP1520S 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP, SOP8,.25
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.23模拟集成电路 - 其他类型：SWITCHED CAPACITOR CONVERTER
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：23 V最小输入电压：3.6 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：5.05 mm
湿度敏感等级：3功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：-20 °C最大输出电流：2 A
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.75 mm
子类别：Switching Regulator or Controllers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端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：3.9 mmBase Number Matches：1

AP1520S 数据手册

 浏览型号AP1520S的Datasheet PDF文件第2页浏览型号AP1520S的Datasheet PDF文件第3页浏览型号AP1520S的Datasheet PDF文件第4页浏览型号AP1520S的Datasheet PDF文件第5页浏览型号AP1520S的Datasheet PDF文件第6页浏览型号AP1520S的Datasheet PDF文件第7页 
This Anachip version datasheet is replaced  
with Diodes Inc. datasheet AP1520  
AP1520  
PWM Control 2A Step-Down Converter  
„ Features  
„ General Description  
- Input voltage: 3.6V to 23V.  
AP1520 consists of step-down switching regulator  
with PWM control. These devices include a reference  
voltage source, oscillation circuit, error amplifier,  
internal PMOS and etc.  
- Output voltage: 0.8V to VCC  
.
- Duty ratio: 0% to 100% PWM control  
- Oscillation frequency: 300KHz typ.  
- Soft-start, Current Limit, Enable function  
- Thermal Shutdown function  
AP1520 provides low-ripple power, high efficiency,  
and excellent transient characteristics. The PWM  
control circuit is able to vary the duty ratio linearly  
from 0 up to 100%. This converter also contains an  
error amplifier circuit as well as a soft-start circuit that  
prevents overshoot at startup. An enable function,  
an over current protect function and a short circuit  
protect function are built inside, and when OCP or  
SCP happens, the operation frequency will be  
reduced from 300KHz to 30KHz. Also, an internal  
compensation block is built in to minimum external  
component count.  
- Built-in internal SW P-channel MOS  
- SOP-8L Pb-Free Package.  
„ Applications  
- PC Motherboard  
- LCD Monitor  
- Graphic Card  
- DVD-Video Player  
- Telecom Equipment  
- ADSL Modem  
- Printer and other Peripheral Equipment  
- Microprocessor core supply  
- Networking power supply  
With the addition of an internal P-channel Power MOS,  
a coil, capacitors, and a diode connected externally,  
these ICs can function as step-down switching  
regulators. They serve as ideal power supply units for  
portable devices when coupled with the SOP–8L  
mini-package, providing such outstanding features as  
low current consumption. Since this converter can  
accommodate an input voltage up to 23V, it is also  
suitable for the operation via an AC adapter.  
„ Pin Assignments  
„ Pin Descriptions  
Name  
FB  
Pin  
1
Description  
Feedback pin.  
Power-off pin  
H: Normal operation  
(Step-down operation)  
L: Step-down operation  
stopped  
Vss  
1
2
3
4
8
7
6
5
FB  
EN  
2
Vss  
EN  
OCSET  
VCC  
(All circuits deactivated)  
Add an external resistor to set  
max output current.  
IC power supply pin  
Switch Pin. Connect external  
inductor/diode here. Minimize  
trace area at this pin to reduce  
EMI.  
AP1520  
OCSET  
3
4
Output  
VCC  
Output  
5、6  
7、8  
Output  
VSS  
GND Pin  
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. 1.5 Apr 10, 2006  
1/7  
1234567

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