Datasheet > C1608X7R1H104K-T

C1608X7R1H104K-T

更新时间： 2024-11-24 09:45:27

品牌	Logo	应用领域
英特矽尔 - INTERSIL		稳压器
页数	文件大小	规格书
6页	282K
描述
1A Regulator Standard Buck PWM

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C1608X7R1H104K-T 数据手册

ISL85001EVAL1Z: 1A

Regulator Standard Buck PWM

Application Note

December 1, 2008

AN1443.0

Description

Recommended Equipment

The Following Materials are Recommended to Perform

Testing:

The ISL85001EVAL1Z REV A kit is intended for use by

individuals with requirements for Point-of-Load applications

sourcing from 4.5V to 25V. The ISL85001EVAL1Z evaluation

board is used to demonstrate the performance of the

ISL85001 standard buck regulator.

• 0V to 25V Power Supply with at Least 5A Source Current

Capability, Battery, Notebook AC Adapter

• One Electronic Load Capable of Sinking Current up to 5A

• Digital Multimeters (DMMs)

The ISL85001 is offered in a 4mmx3mm 12 Ld DFN package

with 1mm maximum height. The complete converter

occupies less than 0.425in area.

• 100MHz Quad-Trace Oscilloscope

• Signal Generator

Features

• Standard Buck Controller with Integrated Switching Power

MOSFET

Quick Setup Guide

1. Ensure that the circuit is correctly connected to the supply

and loads prior to applying any power.

• Integrated Boot Diode

2. Connect the bias supply to VIN, the plus terminal to TP1

(VIN) and the negative return to TP2 (GND).

• Input Voltage Range

- Fixed 5V ±10%

- Variable 5.5V to 25V

3. Verify that SW1 is on ENABLE.

4. Turn on the power supply.

• PWM Output Voltage Adjustable from 0.6V to 19V with

Continuous Output Current up to 1A

5. Verify the PG is on and the output voltage is 2.5V for

VOUT(TP3).

• Voltage Mode Control with Voltage Feed-Forward

• Fixed 500kHz Switching Frequency

• Externally Adjustable Soft-Start Time

• Output Undervoltage Protection

• Enable Inputs

Evaluating the Other Output Voltage

The ISL85001EVAL kit outputs are preset to 2.5V; however,

it can be programmed using resistor dividers using

Equation 1:

⋅ 0.6V

(EQ. 1)

----------------------------------

– 0.6V

• PGOOD Output

OUT

• Overcurrent Protection

The output voltage programming resistor R will depend on

• Thermal Overload Protection

• Internal 5V LDO regulator

on the feedback resistor R , as referred to in Figure 1. The

value of R is typically between 1kΩ and 10kΩ. If the output

voltage desired is 0.6V, then R is left opened.

Applications

OUT

• General Purpose

• WLAN Cards-PCMCIA, Cardbus32, MiniPCI

Cards-Compact Flash Cards

• Hand-Held Instruments

• LCD Panel

0.6V

REFERENCE

• Set-top Box

FIGURE 1. EXTERNAL RESISTOR DIVIDER

TABLE 1. SWITCH 1 SETTINGS

What’s Inside

The Evaluation Board Kit contains the following materials:

• The ISL85001 EVAL REV A board

• The ISL85001 datasheet

SW1

ENABLE

OPERATING MODE

Enable or disable the buck controller

SW1

• This EVAL KIT document

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6

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与C1608X7R1H104K-T相关器件

型号	品牌	获取价格	描述	数据表
C1608X7R1H104KT-L	TDK	获取价格	Ceramic Capacitor, Multilayer, Ceramic, 50V, 10% +Tol, 10% -Tol, X7R, 15% TC, 0.1uF, Surfa
C1608X7R1H104M	TDK	获取价格	Commercial Grade ( General (Up to 50V) )
C1608X7R1H104M080AA	TDK	获取价格	Multilayer Ceramic Chip Capacitors
C1608X7R1H104M080AA_17	TDK	获取价格	Multilayer Ceramic Chip Capacitors
C1608X7R1H104M080AE	TDK	获取价格	CAP CER 0.1UF 50V X7R 0603
C1608X7R1H104M080AE_17	TDK	获取价格	Multilayer Ceramic Chip Capacitors
C1608X7R1H105WTXXXX	TDK	获取价格	General Application
C1608X7R1H107B020AA	TDK	获取价格	MULTILAYER CERAMIC CHIP CAPACITORS
C1608X7R1H107B030AA	TDK	获取价格	MULTILAYER CERAMIC CHIP CAPACITORS
C1608X7R1H107C020AA	TDK	获取价格	MULTILAYER CERAMIC CHIP CAPACITORS

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