Datasheet > ISL8126IRZ

ISL8126IRZ

更新时间： 2024-02-10 10:14:47

品牌	Logo	应用领域
英特矽尔 - INTERSIL		驱动器控制器
页数	文件大小	规格书
39页	1291K
描述
Dual/n-Phase Buck PWM Controller with Integrated Drivers

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ISL8126IRZ 技术参数

生命周期：	Unknown	零件包装代码：	QFN
包装说明：	HVQCCN, LCC32,.2SQ,20	针数：	32
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	9 weeks
风险等级：	5.66	其他特性：	ALSO OPERATES AS LDO REGULATOR
模拟集成电路 - 其他类型：	DUAL SWITCHING CONTROLLER	控制模式：	VOLTAGE-MODE
控制技术：	PULSE WIDTH MODULATION	最大输入电压：	26.5 V
最小输入电压：	3 V	标称输入电压：	3.3 V
JESD-30 代码：	S-PQCC-N32	JESD-609代码：	e3
长度：	5 mm	湿度敏感等级：	3
功能数量：	1	端子数量：	32
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	HVQCCN
封装等效代码：	LCC32,.2SQ,20	封装形状：	SQUARE
封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified	座面最大高度：	1 mm
子类别：	Switching Regulator or Controllers	表面贴装：	YES
切换器配置：	PHASE-SHIFT	最大切换频率：	1500 kHz
温度等级：	INDUSTRIAL	端子面层：	Matte Tin (Sn) - annealed
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	5 mm	Base Number Matches：	1

ISL8126IRZ 数据手册

Dual/n-Phase Buck PWM Controller with Integrated

Drivers

ISL8126

Features

The ISL8126 integrates two voltage-mode PWM leading-edge

modulation control with input feed-forward synchronous buck

PWM controllers to control dual independent voltage

regulators or a 2-phase single output regulator. It also

integrates current sharing control for the power module to

operate in parallel, which offers high system flexibility.

• Wide V Range Operation: 3V to 26.5V

- VCC Operation from 3V to 5.60V

• Excellent Output Voltage Regulation: 0.6V Internal

Reference

• Frequency Synchronization with Programmable Phase Delay

up to 12-Phase Applications

The ISL8126 integrates an internal linear regulator, which

generates IC’s bias voltages for applications with only one

single supply rail. The internal oscillator is adjustable from

150kHz to 1.5MHz, and is able to synchronize to an external

clock signal for frequency synchronization and phase

paralleling applications. Its PLL circuit can output a

phase-shift-programmable clock signal for the system to be

expanded to 3-, 4-, 6-, 12- phases with desired interleaving

phase shift.

• Fault Spreading Capability for High System Reliability

• Digital Soft-Start with Pre-Charged Output Start-up

Capability

• Dual Independent Channel Enable Inputs with Precision

Voltage Monitor and Voltage Feed-forward Capability

- Programmable Input Voltage POR and its Hysteresis with

a Resistor Divider at EN Input

• Extensive Circuit Protection Functions: Output Overvoltage,

Undervoltage, Overcurrent Protection, Over-temperature and

Pre-Power-On-Reset Overvoltage Protection Option

The ISL8126’s Fault Spreading feature protects any channel

from overloading/stressing due to system faults or phase

failure. The undervoltage fault protection features are also

designed to prevent a negative transient on the output voltage

during falling down. This eliminates the Schottky diode that is

used in some systems for protecting the load device from

reversed output voltage damage.

Applications

• Power Supply for Datacom/Telecom and POL

• Paralleling Power Module

Table 1 summarizes the differences between ISL8126 and

ISL8126A.

• Wide and Narrow Input Voltage Range Buck Regulators

TABLE 1.

Related Literature

• Technical Brief TB389 “PCB Land Pattern Design and

Surface Mount Guidelines for QFN Packages”

REFERENCE VOLTAGE

(V)

VSEN1+ to VSEN1- INPUT

IMPEDANCE

DEVICES

ISL8126

ISL8126A

0.6

0.7

500kΩ

>2MΩ

September 7, 2011

FN7892.0

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

Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.

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

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