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CS5305, CS5305GDW28, CS5305GDWR28

Table of contents:
Info of CS5305
Info of CS5305GDW28
Info of CS5305GDWR28

CS5305, CS5305GDW28, CS5305GDWR28 Selling Leads, Datasheet

MFG:ON Semiconductor (VA) Category:Integrated Circuits (ICs) Package Cooled:SOP-28 D/C:01+

CS5305, CS5305GDW28, CS5305GDWR28 Picture

CS5305, CS5305GDW28, CS5305GDWR28 Datasheet download

Five Points

Part Number: CS5305

Category: Integrated Circuits (ICs)

MFG: ON Semiconductor (VA)

Package Cooled: SOP-28

D/C: 01+

Description: IC CTRLR SYNC SW 3PH STDN 28SOIC

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CS5305 General Description

The CS5305 provides a lowcost, singlecontroller solution for the lowvoltage, highcurrent power needs of nextgeneration workstation and server processors. This IC provides high accuracy and the industry's fastest transient response, reducing the need for large banks of output capacitors and providing the most compact, reliable, and economical power supply.

Since each phase's output voltage and current feed back to develop the PWM ramp signal (enhanced V^2TM control), the CS5305 shares output current accurately between phases. Accurate current sharing means that the power supply design does not need to use power components rated to handle mismatched current per phase. The enhanced V² control compensates for variations in both line and load.

The IC's builtin single wire current sharing capability allows easy paralleling of multiple Voltage Regulator Modules (VRMs) based on the CS5305. The paralleled VRMs use a shared bus to provide high current and high reliability to multiple microprocessor workstations or servers.

The CS5305 meets VRM 9.x specifications with its Power Good,Enable, Differential Remote Sense, and singlewire Current Share features. The product fits server and workstation VRMs, and can be used to power Embedded Processors. The IC provides the simplest,lowestcost solution for any low voltage, high current power supply.

CS5305 Maximum Ratings

Rating	Value	Unit
Operating Junction Temperature	150	°C
Storage Temperature Range	65 to 150	°C
ESD Susceptibility (Human Body Model)	2.0	KV
Thermal Resistance, JunctiontoCase, R_JC	15	°C/W
Thermal Resistance, JunctiontoAmbient, R_JA	75	°C/W
JEDEC Moisture Sensitivity	Level 5	-
Lead Temperature Soldering: Reflow:(SMD styles only)(Note1.)	230 peak	°C

1. 60 second maximum above 183°C.
*The maximum package power dissipation must be observed.

CS5305 Features

• Enhanced V² Control Method
• VRM 9.x Compatible VID Codes
• Lossless Inductor Current Sensing
• Single Wire Active Current Sharing Between Converters
• Auto MasterSlave Current Share Control Method
• Programmable 200 to 800 kHz Switching Frequency
• Programmable Adaptive Voltage Positioning
• Differential Remote Sense
• PulsebyPulse Current Limit
• Master Hiccup Overcurrent Protection through Single Wire Share Bus
• 5Bit DAC with 1% Tolerance
• ENABL Input
• VRM 9.xCompliant Power Good Output
• Active Current Sharing During Soft Start

CS5305 Connection Diagram

CS5305GDWR28 Parameters

Technical/Catalog Information	CS5305GDWR28
Vendor	ON Semiconductor (VA)
Category	Integrated Circuits (ICs)
Type	Step-Down (Buck)
Number of Outputs	1
Voltage - Input	9.5 ~ 14 V
Voltage - Output	-
Current - Output	10mA
Power - Output	-
Package / Case	28-SOIC (7.5mm Width)
Packaging	Cut Tape (CT)
Internal Switch(s)	No
Synchronous	Yes
Rds (On)	-
Operating Temperature	0°C ~ 70°C
Frequency - Switching	200kHz ~ 800kHz
Lead Free Status	Contains Lead
RoHS Status	RoHS Non-Compliant
Other Names	CS5305GDWR28 CS5305GDWR28 CS5305GDWR28OSCT ND CS5305GDWR28OSCTND CS5305GDWR28OSCT

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