Power Management New Products – October 2012 – Sales & FAEs Download the latest version on Exar’s MyExar Comments and/or questions to [email protected]

Power ManagementNew Products – October 2012 – Sales & FAEs

Download the latest version on Exar’s MyExarComments and/or questions to [email protected] 2012-10-18

2

EXAR CONFIDENTIAL POWER MANAGEMENT

Compatible: …

XRP6670

• Guaranteed 3A Output Current– Input Voltage: 2.6V to 5.5V

• PWM Current Mode Control– 300kHz-2MHz Prog. Frequency– 100% Duty Cycle LDO Mode

• Adjustable Output Voltage Range– As Low as 0.8V with ±2% Accuracy

• 460µA Quiescent Current

• Enable and Power Good Functions

• Soft Start, Short Circuit, Over Current and

Over Temp. Protections

• Green 3x3 10-pin DFN Package

3A 300kHz- 2MHz Synchronous PWM Step Down Regulator

High efficiency synchronous step down DC to DC converter capable of delivering up to 3Amps of current with an externally programmable operating frequency up to 2MHz.

• Generic Point of Loads• Audio-Video Equipment• Portable Equipment• Industrial and Medical Equipment

4.6 x 2.3

Previous NextPower Conversion

Development

http://www.exar.com/Common/Content/ProductDetails.aspx?ID=SP6669

3


Datasheet: Preliminary

Samples: Nov. 2012

Evaluation Board: Nov 2012

XRP6670 - Performance3A 300kHz- 2MHz Synchronous PWM Step Down Regulator

http://www.exar.com/Common/Content/ProductDetails.aspx?ID=XRP6670


Development



4


Compatible: MP2359(1.2A), MP28367(1A), MP2357(0.5A), MP2259 (1A), MP29368 (1.2A), RT8259, RT8258, LMR2010X

XRP7659

• 1.5A Point-of-Load Step Down Regulator

• 4.5V to 18V Wide Input Voltage Range– Down to 0.81V Output Voltage Conversion

• PWM Current Mode Control– 1.4MHz Constant Operations– Up to 92% Efficiency

• Fast Transient Response

• Enable Pin VIN Capable

• Built-in 2ms Soft Start

• Over-Current, Thermal and UVLO Protection

• “Green” 6-Pin SOT23 Package

1.5A 18V Non Sync. Step Down Regulator

Non synchronous current mode PWM step down regulator capable of up to 1.5Amp output current. 1.4MHz constant operations and SOT23 package reduce solution size and optimize performance. Operates on single 5V, 9.6V and 12V power rails.

• Distributed Power Architecture• Point of Load Converters• Audio-Video Equipments• Medical and Industrial Equipments


Production

5


Datasheet: Online

Samples: Yes

Evaluation Board: Yes

XRP7659 - Performance1.5A 18V Non Sync. Step Down Regulator



Production


6


Production

ExarXRP7659

MPSMP2359

Linear TechLT3503

RichtekRT8259/8258

TILMR12010X

Output Current 1.5A 1.2A 1A 1.2A 1A

Input Voltage Range 4.5V-18V 4.5V-24V 3.6V-20V 4.5V-24V 3V-20V

Output Voltage Range 0.81V-15V 0.81V-15V 0.78V-15V 0.8V-15V 0.8V-17V

Accuracy ±3% ±2.5% ±1.9% ±2% ±2%

PWM Frequency 1.4MHz 1.4MHz 2.2MHz 1.4MHz/700kHz 1.6MHz

Synchronous No No No No No

Max Efficiency 92% 92% 85% 92% 90%

Light Load Efficiency No No No No No

LDO Mode No No No No No

Quiescent Current 800µA 800µA 1.9mA 500µA 1.5mA

Features

EnableSoft Start

OTP - OCPUVLO

EnableOTP-OCP

EnableSoft Start

OCP

EnableOCP-OTP

UVLO

EnableSoft Start

OTPUVLO

Package SOT23-6 SOT23-6, TSOT23-6 2x3 DFN-6 SOT23-6, TSOT23-6 SOT23-6

Pin/Pin Compatible - Yes No Yes Yes

Function Compatible - Yes (VIN<18V) Yes Yes (VIN<18V) Yes (VIN<18V)

Exar’s Advantage

XRP7659 - Competition

Previous

1.5A 18V Non Sync. Step Down Regulator

NextPower Conversion



7


Compatible:

XRP7674

• 2A Constant Output Current

• 4.75V to 18V Wide Single Input Voltage

• PWM Current Mode Control– 340KHz PWM Operations– PSM Mode at light load

• Adjustable Output Voltage– 0.925V to 16V Range– ±2.7% Accuracy

• Soft-Start and Enable Function

• Over Temp., Over Current, Over Voltage,

UVLO Protections

• Short Circuit Protection with Hiccup Mode

• Drop in replacement to XRP7664

• “Green” 8-Pin Exp. Pad SOIC Package

2A 18V Synchronous PSM/PWM Step Down Regulators• Distributed Power Architecture• Point of Load Converters• Audio-Video Equipments• Medical and Industrial Equipments

4.6 x 2.3

Previous

Competition


Development

8


Datasheet: N/A

Samples: Nov 2012


XRP7674 - Performance2A 18V Synchronous PSM/PWM Step Down Regulators


Previous

Production


PSM Light Load Efficiency! 85% @ 100mA


9


Compatible:

XRP7675

• 3A Constant Output Current

• 4.75V to 18V Wide Single Input Voltage

• PWM Current Mode Control– 340KHz PWM Operations– PSM Mode at light load

• Adjustable Output Voltage– 0.925V to 16V Range– ±2.7% Accuracy

• Soft-Start and Enable Function

• Over Temp., Over Current, Over Voltage,

UVLO Protections

• Short Circuit Protection with Hiccup Mode

• Drop in replacement to XRP7665


3A 18V Synchronous PSM/PWM Step Down Regulators• Distributed Power Architecture• Point of Load Converters• Audio-Video Equipments• Medical and Industrial Equipments

4.6 x 2.3

Previous

Competition


Development

10


Datasheet: N/A

Samples: Nov 2012


XRP7675 - Performance2A 18V Synchronous PSM/PWM Step Down Regulators



PSM Light Load Efficiency! 85% @ 100mA

Development


11


Compatible: MIC20X3 to 20X6, MIC2025, MIC2075, LM4625, TPS2061/2065, US201, MP62170, RT9711, AP2181/2191

XRP2523

• Single Channel Current Switch– 1.5A per Channel Capable– 1.6A Over-current Limit

• 3.2V to 6.5V Input Voltage Range

• USB 2.0/3.0 Compliant

• Active High Enable

• Soft Start

• 9ms Blanked Channel Fault Flag Indicator

• UVLO, Reverse Current, Short Circuit

and Thermal Shutdown Protection

• Halogen Free 5-Pin SOT23 Package

1.5A Single Channel USB2.0/3.0 Power Distribution Switch

New cost effective single channel power distribution switch with enable and fault flag. Supports USB2.0 and USB3.0 levels in a space saving 5-pin SOT23 package.

• Self Powered USB2.0 and 3.0 Hubs• USB VBUS Power Distribution• Audio-Video Equipments• Generic Power Switching

Previous NextSystem Controls

Production

12


ExarXRP2523

TITPS2065/61

MicrelMIC2005L

MPSMP62170

RichtekRT9711

DiodeAP2181/2191

Channel Single Single Single Single Single Single

Current per Channel 1.5A 1A 1.2A 1.5A 1.5A 1.5A

Min Current Limit 1.6A 1.1A 1.2A 2.3A 1.6A 1.6A

FET RDSon 85mΩ 70mΩ 170mΩ 75mΩ 80mΩ

Input Voltage Range 3.2V-6.5V 2.7V-5.5V 2.7V-5.5V 2.7V-5.5V 2.5V-5.5V 2.7V-5.5V

USB Compliance 2.0/3.0 2.0/3.0 2.0/3.0 2.0/3.0 2.0/3.0 2.0/3.0

Active Enable High High/Low High/Low High/Low Low High/Low

Soft Start Yes Yes Yes Yes Yes

Error Flag Blanked 9ms Blanked 8ms Blanked Blanked 8ms Blanked 12ms Blanked 7ms

Quiescent Current 40µA 43µA 80µA 90µA 25µA 45µA

Features

Soft StartReverse Current

UVLOShort Circuit

OTP

Soft StartUVLO

Short CircuitOTP

Soft StartUVLO

KickstartOTP

Reverse CurrentUVLOOTP

Soft StartUVLOOTP

Soft StartReverse Current

Short CircuitUVLOOTP

Package SOT23-5 SOT23-5 SOT23-5 MSOP8, SOIC8 SOT23-5 SOT23-5

Pin/Pin Compatible - No No No No No

Function Compatible - Yes Yes Yes Yes Yes

XRP2523 - Competition


Previous

1.5A Single Channel USB2.0/3.0 Power Distribution Switch


Production


13


Compatible: MIC2076A, TPS2062/2066, MIC2026A, US2175

XRP2524

• Dual Channel Current Switch– 1.0A per Channel Capable– 1.5A Over-current Limit

• 2.7V to 6.5V Input Voltage Range

• USB 2.0/3.0 Compliant

• Active High Independent Enables

• Soft Start

• 9ms Blanked Channel Fault Flag Indicator

• UVLO, Reverse Current, Short Circuit

and Thermal Shutdown Protection

• Halogen Free 8-Pin NSOIC Package

1A Dual Channel USB2.0/3.0 Power Distribution Switch

New cost effective dual channel power distribution switch with independent enables and fault flags. Supports USB2.0 and USB3.0 levels in a space saving 8-pin NSOIC package.

• Self Powered USB2.0 and 3.0 Hubs• USB VBUS Power Distribution• Audio-Video Equipments• Generic Power Switching

Previous NextSystem Controls

Pre-Production

14


Compatible:…

XRP7613

• 1.2A Continuous Output Current– Programmable 150mA-1.2A

• 7.0V to 36V Single Input Voltage

• <1MHz Hysteretic PFM Operations– No External Compensation Circuitry– Fast Transient & Excellent Efficiency

• Dynamic LED Current Thermal Control

• LED Current Dimming– 40KHz Noiseless PWM and Analog diming

• UVLO, Over Temperature, Open LED and

Short Circuit Protections


1.2A 36V Step Down LED Regulator

Step down LED driver optimized to drive a string of high power LEDs at up to 1.2A of continuous current. A wide 7V to 36V input voltage range allows for single supply operations from 12V, 19V or 24V power rails.

• General Lighting and Displays• Architectural/Accent Lighting• Security and Traffic Signals• Medical/Industrial Instrumentation

Previous LED Lighting Next

Development

15


Datasheet: Preliminary

Samples: Yes

Evaluation Board: Yes

XRP7613 - Performance1.2A 36V Step Down LED Regulator


Previous LED Lighting Next

Development

Dynamic LED Current Control with

Temperature


Documents

Power Management New Products – October 2012 – Sales & FAEs Download the latest version on Exar’s MyExar Comments and/or questions to [email protected]