Datasheet > AN-7701

AN-7701

更新时间： 2024-11-30 12:51:51

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		/
页数	文件大小	规格书
3页	276K
描述
FL7701 Design Tool Flow

阅读下载

中文翻译

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

AN-7701 数据手册

www.fairchildsemi.com

AN-7701

FL7701 Design Tool Flow

Example:

Overview

220V Input Voltage

3.5V Forward Voltage

10 LEDs in series

500mApk

This document is intended to provide in-depth guidance to

using the Fairchild Design Tool for FL7701. Use the Design

Tool with the product datasheet.

Step-by-Step

1. Enter the input voltage.

300mArms

85% efficiency

45kHz

2. Enter the LED characteristics (forward voltage).

3. Enter the LED counts.

Table 1.

Design Values to Enter

Item

4. Enter the LED peak current.

5. Enter the LED rms current.

6. Enter the target system efficiency.

7. Enter the desired switching frequency.

Value Units

Maximum Input Voltage

LED Forward Voltage

Number of LEDs

LED Peak Current

LED rms Current

Efficiency

V_IN.MAX.AC

220

3.5

V_f=

N_{umber_LED}

I_LED.peak

I_{VAE_rms}

500

300

E_ff=

f_SW

Switching Frequency

kHz

Figure 2. Output Capacitor Selection Guide Plot

Rev. 1.0.1 • 3/21/12

www.fairchildsemi.com

12 3

中文翻译

下载PDF

与AN-7701相关器件

型号	品牌	获取价格	描述	数据表
AN7703	PANASONIC	获取价格	Low-dropout three-pin voltage regulator 1.2-A type
AN77033SP	PANASONIC	获取价格	Low-dropout three-pin voltage regulator 1.2-A type
AN77035SP	PANASONIC	获取价格	Low-dropout three-pin voltage regulator 1.2-A type
AN7703F	PANASONIC	获取价格	Low-dropout three-pin voltage regulator 1.2-A type
AN7704	PANASONIC	获取价格	Low-dropout three-pin voltage regulator 1.2-A type
AN7704F	PANASONIC	获取价格	Low-dropout three-pin voltage regulator 1.2-A type
AN7705	PANASONIC	获取价格	Low-dropout three-pin voltage regulator 1.2-A type
AN7705F	PANASONIC	获取价格	Low-dropout three-pin voltage regulator 1.2-A type
AN7705SP	PANASONIC	获取价格	Low-dropout three-pin voltage regulator 1.2-A type
AN7706	PANASONIC	获取价格	Low-dropout three-pin voltage regulator 1.2-A type