Datasheet > AP1520SG-13

AP1520SG-13

更新时间： 2024-02-13 17:35:21

品牌	Logo	应用领域
美台 - DIODES		转换器
页数	文件大小	规格书
9页	238K
描述
PWM CONTROL 2A STEP-DOWN CONVERTER

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技术参数
数据手册

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AP1520SG-13 技术参数

是否无铅：	不含铅	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：	8
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.31
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 V
JESD-30 代码：	R-PDSO-G8	JESD-609代码：	e3
长度：	5.05 mm	湿度敏感等级：	1
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 mm

AP1520SG-13 数据手册

AP1520

PWM CONTROL 2A STEP-DOWN CONVERTER

General Description

Features

AP1520 consists of step-down switching regulator with PWM

•

Input Voltage: 3.6V to 23V

Output Voltage: 0.8V to V_CC

control. These devices include

a reference voltage source,

oscillation circuit, error amplifier and internal PMOS.

Duty Ratio: 0% to 100% PWM Control

Oscillation Frequency: 300kHz typ.

Current Limit, Enable Function

Thermal Shutdown Function

Built-in Internal SW P-Channel MOS

SOP-8L Pb-Free Package

SOP-8L: Available in “Green” Molding Compound

(No Br, Sb)

Lead Free Finish/ RoHS Compliant (Note 1)

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. An enable function, an over

current protection and a short circuit protection 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.

•

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 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.

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

Typical Application Circuit

V_IN

V_OUT

Output

22uH

C_C

Optional

R_A

6.8K

R_OCSETC_OCSET

AP1520

Option

C_IN

OCSET

C_OUT

0.1uF 470uF

680uF

V_SS

R_EN

R_B

1.3K

CVcc

0.1uF

100K

C_EN

0.1uF

Note: V_OUT= V_FBx (1+R_A/R_B)

R_B=0.7K~5K ohm

AP1520 Rev. 5

DS31174

1 of 9

www.diodes.com

JULY 2009

12 3 4 5 6 7...9

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