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Overview
| Topology | Buck Converter |
| Input voltage | 5.5-18 V |
| Switching frequency | 105-1230 kHz |
| Output 1 | 5.5 V |
| Output 2 | 1 V / 10 A |
| Output 3 | 5 V / 3 A |
| Output 4 | 2.5 V / 3 A |
| Output 5 | 1.5 V / 5 A |
| IC revision | 1.0.0 |
Description
The XRP7720 is a quad output universal customizable PMIC comprised of a quad channel Digital Pulse Width Modulated (DPWM) Step down (buck) controller and 5V LDO. A wide 4.75V to 5.5V and 5.5V to 18V input voltage dual range allows for single supply operation from standard power rails. It is pin compatible to the popular XRP7724 and provides full flexibility during the development phase while offering a cost effective option for high volume production units.
With integrated FET gate drivers, it can operate from 105kHz to 1.23MHz with independent channel-to-channel programmable operating frequency, the XRP7720 reduces overall component count and solution footprint while optimizing conversion efficiencies. A selectable digital Pulse Frequency Mode (DPFM) and low operating current result in better than 80% efficiency down to 10mA load provides support for portable and Energy Star compliant applications. Each XRP7720 output channel is individually programmable down to a minimum 0.6V with a resolution of 2.5mV, and configurable for precise soft start and soft stop sequencing, including delay and ramp control.
During development, the XRP7720ILB-DEV is configured using PowerArchitectTM 5.1 (PA 5.1) through an I2C interface, allowing for short development of the power system and short time to market for the entire system. Once development is completed and volume production is ready to commence, Exar will assign a unique part suffix and deliver a customized XRP7720.
Built-in independent output over voltage, over temperature, over-current and under voltage lockout protections ensure safe operation under abnormal operating conditions.
The XRP7720 is offered in a RoHS compliant, “green”/halogen free 44-pin TQFN package.
Features
- Pin Compatible to XRP7724 ◦SMBus Compliant I2C Interface available on XRP7720ILB-DEV Only
- Supported by PowerArchitect™ 5.1 ◦XRP7720ILB-DEV Only
- Quad Channel Step-down Controller Digital PWM 105kHz-1.23MHz Operation ◦Individual Channel Frequency Selection◦Patented digital PFM with Ultrasonic Mode◦Integrated MOSFET Drivers◦Programmable 5 coefficient PID control
- 4.75V to 18V Input Voltage ◦4.75V-5.5 and 5.5V-18V Input Range◦0.6V to 5.5V Output voltage
- 3 x 15V Capable PSIOs + 2 x GPIOs
- Full Start/Stop Sequencing Support
- Built-in Thermal, Over-Current, UVLO and Output Over-Voltage Protections
- On Board 5V Standby LDO
- 7x7mm TQFN44 Package
Typical applications
- Network Adapter Cards
- Video Surveillance Systems
- Micro Servers
- Blade Servers
- Switches/Routers
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | Qty. | Pins | Type | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Color | Gender | Packaging | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-HCI SMT Flat Wire High Current Inductor, 1.3 µH, 32.1 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance1.3 µH | Performance Rated Current32.1 A | Saturation Current @ 10%11 A | Saturation Current @ 30%25 A | DC Resistance1.8 mΩ | Self Resonant Frequency59 MHz | MaterialWE-PERM | Packaging Unit400 | Pins2 | – | MountSMT | Length13.2 mm | Height6.2 mm | – | – | Operating Temperature -40 °C up to +155 °C | – | – | – | –Check availability | |||
| SPECWE-HCI SMT Flat Wire High Current Inductor, 2 µH, 13.8 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance2 µH | Performance Rated Current13.8 A | Saturation Current @ 10%4.5 A | Saturation Current @ 30%9 A | DC Resistance5.85 mΩ | Self Resonant Frequency68 MHz | MaterialSuperflux | Packaging Unit1000 | Pins2 | – | MountSMT | Length7 mm | Height4.8 mm | – | – | Operating Temperature -40 °C up to +150 °C | – | – | – | –Check availability | |||
| SPECWE-HCI SMT Flat Wire High Current Inductor, 3.3 µH, 10.9 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance3.3 µH | Performance Rated Current10.9 A | Saturation Current @ 10%3.2 A | Saturation Current @ 30%8 A | DC Resistance9 mΩ | Self Resonant Frequency65 MHz | MaterialSuperflux | Packaging Unit1000 | Pins2 | – | MountSMT | Length7 mm | Height4.8 mm | – | – | Operating Temperature -40 °C up to +150 °C | – | – | – | –Check availability | |||
| SPECWE-HCI SMT Flat Wire High Current Inductor, 4.9 µH, 8.3 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance4.9 µH | Performance Rated Current8.3 A | Saturation Current @ 10%2.2 A | Saturation Current @ 30%6.5 A | DC Resistance14.5 mΩ | Self Resonant Frequency56 MHz | MaterialSuperflux | Packaging Unit1000 | Pins2 | – | MountSMT | Length7 mm | Height4.8 mm | – | – | Operating Temperature -40 °C up to +150 °C | – | – | – | –Check availability | |||
 | SPECWR-PHD Pin Header - Dual, –, – | Simulation– | Availability – | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Dual | – | – | – | – | – | – | – | – | Pins10 | TypeAngled | MountTHT | Length12.7 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | ColorBlack | GenderPin Header | PackagingBag | –Check availability | |
 | SPECWR-PHD Jumper, –, – | Simulation– | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | – | – | – | – | – | – | – | Pins1 | – | – | – | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +125 °C | ColorBlack | GenderJumper | PackagingBag | –Check availability | ||
 | SPECWR-PHD Pin Header - Dual, –, – | Simulation– | Availability – | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Dual | – | – | – | – | – | – | – | – | Pins6 | TypeAngled | MountTHT | Length7.62 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | ColorBlack | GenderPin Header | PackagingBag | –Check availability | |
 | SPECWR-PHD Pin Header - Single, –, – | Simulation– | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | Pins15 | TypeStraight | MountTHT | Length35.56 mm | – | Rated Current3 A | Working Voltage250 V (AC) | – | – | GenderPin Header | PackagingBag | –Check availability | ||
 | SPECWR-PHD Pin Header - Single, –, – PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | Simulation– | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | Pins40 | TypeStraight | MountTHT | Length101.6 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | – | GenderPin Header | PackagingBag | –Check availability | ||
 | SPECWR-PHD Socket Header - Dual, –, – | Simulation– | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Socket Header - Dual | – | – | – | – | – | – | – | – | Pins6 | TypeAngled | MountTHT | Length8.12 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | ColorBlack | GenderSocket Header | PackagingTray | –Check availability | ||
 | SPECWR-PHD Socket Header - Dual, –, – | Simulation– | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Socket Header - Dual | – | – | – | – | – | – | – | – | Pins10 | TypeAngled | MountTHT | Length13.2 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | ColorBlack | GenderSocket Header | PackagingTray | –Check availability |
Availability Forecast
WE item number Packaging unitsLead time
––– weeks
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |
There is no forecast for this quantity request.
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