Datasheet > ISL6525

ISL6525

更新时间： 2024-11-27 22:57:23

品牌	Logo	应用领域
英特矽尔 - INTERSIL		控制器
页数	文件大小	规格书
11页	119K
描述
Buck and Synchronous-Rectifier Pulse-Width Modulator (PWM) Controller

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ISL6525 数据手册

ISL6525

Data Sheet

March 2001

File Number 4998.1

Buck and Synchronous-Rectiﬁer

Features

Pulse-Width Modulator (PWM) Controller

• Drives Two N-Channel MOSFETs

• Operates From +5V or +12V Input

The ISL6525 provides complete control and protection for a

DC-DC converter optimized for high-performance

microprocessor applications. It is designed to drive two

N Channel MOSFETs in a synchronous-rectiﬁed buck

topology. The ISL6525 integrates all of the control, output

adjustment, monitoring and protection functions into a single

package. A programmable delay time for the PGOOD signal

makes it especially suitable for the VTT regulation in

VRM8.5 applications.

• Simple Single-Loop Control Design

- Voltage-Mode PWM Control

• Fast Transient Response

- High-Bandwidth Error Ampliﬁer

- Full 0% to 100% Duty Ratio

• Excellent Output Voltage Regulation

- 1.20V Internal Reference

The output voltage of the converter can be precisely

regulated to as low as 1.20V, with a maximum tolerance of

±1% over temperature and line voltage variations.

- ±1% Over Line Voltage and Temperature

• Programmable delay for PGOOD signal

• Over-Current Fault Monitor

The ISL6525 provides simple, single feedback loop, voltage-

mode control with fast transient response. It includes a

200kHz free-running triangle-wave oscillator that is

adjustable from below 50kHz to over 1MHz. The error

ampliﬁer features a 15MHz gain-bandwidth product and

6V/µs slew rate which enables high converter bandwidth for

fast transient performance. The resulting PWM duty ratio

ranges from 0% to 100%.

- Does Not Require Extra Current Sensing Element

- Uses MOSFETs r

DS(ON)

• Small Converter Size

- Constant Frequency Operation

- 200kHz Free-Running Oscillator Programmable from

50kHz to Over 1MHz

• 14 Pin, SOIC Package

The ISL6525 protects against over-current conditions by

inhibiting PWM operation. The ISL6525 monitors the current

Applications

by using the r

of the upper MOSFET which eliminates

DS(ON)

• Power Supply for Various Microprocessors

• VTT Regulation for VRM8.5

the need for a current sensing resistor.

Ordering Information

• High-Power 5V to 3.xV DC-DC Regulators

• Low-Voltage Distributed Power Supplies

TEMP.

PKG.

NO.

PART NUMBER RANGE ( C)

PACKAGE

14 Ld SOIC

ISL6525CB

0 to 70

M14.15

Pinout

ISL6525

(SOIC)

TOP VIEW

DELAY

VCC

OCSET

LGATE

PGND

BOOT

UGATE

PHASE

COMP

GND

PGOOD

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

1-888-INTERSIL or 321-724-7143 | Intersil and Design is a trademark of Intersil Americas Inc.

12 3 4 5 6 7...11

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与ISL6525相关器件

型号	品牌	获取价格	描述	数据表
ISL6525_04	INTERSIL	获取价格	Buck and Synchronous-Rectifier Pulse-Width Modulator (PWM) Controller
ISL6525CB	RENESAS	获取价格	SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PDSO14, PLASTIC, MS-012-AB, SOIC-14
ISL6525CB	INTERSIL	获取价格	Buck and Synchronous-Rectifier Pulse-Width Modulator (PWM) Controller
ISL6525CB	ROCHESTER	获取价格	SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PDSO14, PLASTIC, MS-012-AB, SOIC-14
ISL6525CB-T	RENESAS	获取价格	SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PDSO14, PLASTIC, MS-012-AB, SOIC-14
ISL6525CB-T	ROCHESTER	获取价格	SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PDSO14, PLASTIC, MS-012-AB, SOIC-14
ISL6525CBZ	INTERSIL	获取价格	Buck and Synchronous-Rectifier Pulse-Width Modulator (PWM) Controller
ISL6525CBZ	ROCHESTER	获取价格	SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO14, LEAD FREE, PLASTIC, MS-012-AB,
ISL6525CBZ-T	RENESAS	获取价格	Buck and Synchronous-Rectifier Pulse-Width Modulator (PWM) Controller; SOIC14; Temp Range:
ISL6526	INTERSIL	获取价格	Single Synchronous Buck Pulse-Width Modulation (PWM) Controller

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