CMPWR330SA

更新时间： 2024-02-03 23:56:35

品牌	Logo	应用领域
CALMIRCO		稳压器开关
页数	文件大小	规格书
8页	134K
描述
400mA SMARTOR Dual Regulator with V switch

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CMPWR330SA 数据手册

CALIFORNIA MICRO DEVICES

CMPWR330

400mA SmartOR^TMDual Regulator with V_AUXSwitch

Features

Applications

• Continuous 3.3V output from three inputs

• Complete power management solution

• V_CC, V_SBYregulator supplies 400mA output

• Built-in hysteresis when selecting input supplies

• Integrated switch has very low R_DS(ON)0.25Ω (TYP)

• Foldback current limiting protection

• PCI adapter cards with Wake-On-LAN

• Network Interface Cards (NICs)

• Multiple power systems

• Systems with standby capabilities

• Thermal overload shutdown protection

• 8-pin power SOIC package

Product Description

When only V_AUX(3.3V) is present, the device provides a

low impedance direct connection (0.25Ω TYP) from V_AUX

The CMPWR330 is a dual input regulator with a fully

integrated V_AUXswitch capable of delivering up to

400mA continuously at 3.3V. The output power is

provided from three independent input voltage sources

on a prioritized basis. Power is always taken in priority

toV_OUT

All the necessary control circuitry needed to provide a

smooth and automatic transition between all three

supplies has been incorporated. This allows the V_CC

input supply to be dynamically switched without loss of

output voltage.

using the following order V_CC, V_SBY, and V_AUX

When V_CC(5V) or V_SBYis present, the device automati-

cally enables the regulator and produces a stable 3.3V

output at V_OUT

PIN DIAGRAM AND ELECTRICAL SCHEMATIC

V_SBY

Top View

–

1µF

V_SBY

V_CC

GND

CMPWR330

V_SBY

GND

V_OUT

3.3V

400mA

V_OUT

V_AUX

V_CC

–

V_AUX

V_OUT

GND

CMPWR330

–

V_AUX

3.3V

8-Pin Power SOIC

10µF

Pin Diagram

GND

Typical Application Circuit

STANDARD PART ORDERING INFORMATION

Ordering Part Number

Package

Pins

Style

Tubes

Tape & Reel

Part Marking

Power SOIC

CMPWR330SA/T

CMPWR330SA/R

CMPWR330SA

C1680101

215 Topaz Street, Milpitas, California 95035

Tel: (408) 263-3214

Fax: (408) 263-7846

www.calmicro.com

3/6/2001

12 3 4 5 6 7 8

中文翻译

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与CMPWR330SA相关器件

型号	品牌	获取价格	描述	数据表
CMPWR330SA/R	CALMIRCO	获取价格	Analog IC
CMPWR330SA/T	CALMIRCO	获取价格	Analog IC
CMPWR330SAR	CALMIRCO	获取价格	400mA SMARTOR Dual Regulator with V switch
CMPWR330SAT	CALMIRCO	获取价格	400mA SMARTOR Dual Regulator with V switch
CMPWR330SF	ONSEMI	获取价格	400mA SmartOR Regulator with VAUX Switch
CMPZ4099	CENTRAL	获取价格	LOW NOISE ZENER DIODE 6.8 VOLTS THRU 43 VOLTS 350mW,5% TOLERANCE
CMPZ4099_10	CENTRAL	获取价格	SURFACE MOUNT LOW NOISE SILICON ZENER DIODE 6.8 VOLTS THRU 43 VOLTS 350mW
CMPZ4099TR	CENTRAL	获取价格	Zener Diode, 6.8V V(Z), 5%, 0.35W, Silicon, Unidirectional, SOT-23, 3 PIN
CMPZ4100	CENTRAL	获取价格	LOW NOISE ZENER DIODE 6.8 VOLTS THRU 43 VOLTS 350mW,5% TOLERANCE
CMPZ4100BK	CENTRAL	获取价格	Zener Diode, 7.5V V(Z), 5%, 0.35W, Silicon, Unidirectional, SOT-23, 3 PIN

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