Datasheet > XR76201

XR76201

更新时间： 2024-11-26 01:06:19

品牌	Logo	应用领域
艾科嘉 - EXAR		/
页数	文件大小	规格书
16页	1464K
描述
40V PowerBloxTM 1.5A Synchronous Step-Down COT Regulator

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XR76201 数据手册

XR76201

40V PowerBlox^TM1.5A Synchronous

Step-Down COT Regulator

Description

FEATURES

The XR76201 is a synchronous step-down regulator combining the

controller, drivers, bootstrap diode and MOSFETs in a single package

for point-of-load supplies. The XR76201 is capable of supplying

steady state loads of 1.5A. A wide 5V to 40V input voltage range

allows for single supply operation from 12V battery systems required

to withstand load dump, industry standard 24V 10ꢀ, 18V to 36V, and

rectified 18VAC and 24VAC rails.

ꢀ■

Controller, drivers, bootstrap diode and

MOSFETs integrated in one package

1.5A step-down regulator

ꢀ■

Wide 5V to 40V input voltage range

>0.6V adjustable output voltage

Proprietary constant on-time control

No loop compensation required

Stable ceramic output capacitor

operation

ꢀ■

With a proprietary emulated current mode Constant On-Time (COT)

control scheme, the XR76201 provides extremely fast line and load

transient response using ceramic output capacitors. They require

no loop compensation, simplifying circuit implementation and

reducing overall component count. The control loop also provides

0.05ꢀ load and 0.15ꢀ line regulation and maintains constant

operating frequency. A selectable power saving mode allows the user

to operate in Discontinuous Conduction Mode (DCM) at light current

loads thereby significantly increasing the converter efficiency.

Programmable 100ns to 1µs on-time

Constant 400kHz to 800kHz

frequency

Selectable CCM or CCM/DCM

CCM/DCM for high efficiency at

light-load

ꢀ■

CCM for constant frequency at

light-load

Programmable hiccup current limit with

thermal compensation

ꢀ■

A host of protection features, including overcurrent, over temperature,

short-circuit and UVLO, helps achieve safe operation under abnormal

operating conditions.

ꢀ■

Precision enable and power good flag

Programmable soft-start

30-pin 5mm x 5mm QFN package

The XR76201 is available in a RoHS-compliant, green/halogen-free

space-saving 5mm x 5mm QFN package.

APPLICATIONS

ꢀ■

Automotive systems

Industrial

ꢀ■

Military

Ordering Information – back page

Typical Application

3.340

3.330

3.320

3.310

3.300

3.290

3.280

3.270

3.260

VIN

PVIN

BST

ENABLE/MODE

EN/MODE

PGOOD

VCC

POWER GOOD

OUT

PGOOD

LIM

XR76201

ILIM

OUT

TON

VCC

AGND

PGND

(V)

Figure 1. Typical Application

Figure 2. Line Regulation

REV1A

1/16

12 3 4 5 6 7...16

中文翻译

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与XR76201相关器件

型号	品牌	获取价格	描述	数据表
XR76201EL	EXAR	获取价格	40V PowerBloxTM 1.5A Synchronous Step-Down COT Regulator
XR76201ELMTR	EXAR	获取价格	40V PowerBloxTM 1.5A Synchronous Step-Down COT Regulator
XR76201ELTR	EXAR	获取价格	40V PowerBloxTM 1.5A Synchronous Step-Down COT Regulator
XR76201EVB	EXAR	获取价格	40V PowerBloxTM 1.5A Synchronous Step-Down COT Regulator
XR76203	EXAR	获取价格	3A/5A/8A Synchronous Step Down COT Regulator
XR76203EL-F	EXAR	获取价格	3A/5A/8A Synchronous Step Down COT Regulator
XR76203ELMTR-F	EXAR	获取价格	Switching Regulator,
XR76203EL-Q	EXAR	获取价格	AEC-Q100 Qualified 40V PowerBlox 3A/5A/8A Synchronous Step Down COT Regulator
XR76203ELTR-F	EXAR	获取价格	Switching Regulator
XR76203ELTR-Q	EXAR	获取价格	AEC-Q100 Qualified 40V PowerBlox 3A/5A/8A Synchronous Step Down COT Regulator

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