IRNBPS1

IRNBPS1 Datasheet

IRNBPS1

Part	Datasheet
IRNBPS1	IRNBPS1 (pdf)

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PD-91748 IRNBPS1 Mobile PentiumTM II Power Supply Evaluation Board 90% Peak Efficiency Achieved The new IRNBPS1 evaluation board offers the power supply designer a convenient way to evaluate power MOSFET performance in DC/DC converters powering next-generation mobile processors. A synchronous buck regulator topology operating at 300 kHz is employed. A DAC selectable output voltage allows evaluation at various voltages for existing and forthcoming mobile processors. The new 30V low threshold SO-8 IRF7805 and IRF7807 HEXFET MOSFETs, specifically designed for the application, are used to improve circuit efficiency through reduced RDS on and gate charge. The IRF7805 and IRF7807 are optimized for switching and conduction losses under the operating range. A detailed schematic along with complete efficiency and thermal performance characterization are offered to reduce the customer’s test and verification time when designing with IR MOSFETs. Fig IRNBPS1 Purpose This evaluation tool is available to power supply designers to verify and qualify the performance of IR power MOSFETs under “real world” mobile CPU DC/ DC converter conditions. Web Site This evaluation board datasheet as well as the IRF7805 and IRF7807 datasheets may be downloaded at IR’s web site Datasheets are in PDF format for on screen viewing or printing. Evaluation Boards Evaluation boards are available through your local IR sales office in the Mobile PentiumTM II Design Kit order as IRNBPS1. Support E-mail Chris Davis at for support of this evaluation board and the IRF7805 and IRF7807 MOSFETs. Key Features • 90% Peak Efficiency 10Vin • Designed for new mobile PentiumTM II processors. • Accepts input voltages from 10V to 24V • to 2.00V digitally selectable output • Up to 7A continuous output • Complete efficiency characterization • Complete thermal characterization • Design kit available IRNBPS1 International Rectifier, 1998 TM Intel Trademark International Rectifier Specifications Absolute Maximum Ratings Table 1 Param eter Units Input Voltage Digital I/O Continuous Output Current Efficiency, Typical Param eter ηpeak, Vout = 1.6V, Fixed PW M η Iout = 5.6A, Vout = 1.6V, Fixed PW M Vin = 10V 90 Vin = 14V Vin = 24V 82 Units % % Electrical Input Specifications Param eter Units Input Voltage Input Current Power O utput Specifications all specified line and load conditions Param eter Units Voltage Range Output Current Voltage Regulation

PDF Datasheet Preview

PD-91748

IRNBPS1

Mobile PentiumTM II Power Supply Evaluation Board
90% Peak Efficiency Achieved

The new IRNBPS1 evaluation board offers the power supply designer a convenient way to evaluate power MOSFET performance in DC/DC converters powering next-generation mobile processors. A synchronous buck regulator topology operating at 300 kHz is employed. A DAC selectable output voltage allows evaluation at various voltages for existing and forthcoming mobile processors.

The new 30V low threshold SO-8 IRF7805 and IRF7807 HEXFET MOSFETs, specifically designed for the application, are used to improve circuit efficiency through reduced RDS on and gate charge. The IRF7805 and IRF7807 are optimized for switching and conduction losses under the operating range. A detailed schematic along with complete efficiency and thermal performance characterization are offered to reduce the customer’s test and verification time when designing with IR MOSFETs.

Fig IRNBPS1

Purpose This evaluation tool is available to power supply designers to verify and qualify the performance of IR power MOSFETs under “real world” mobile CPU DC/ DC converter conditions.

Web Site This evaluation board datasheet as well as the IRF7805 and IRF7807 datasheets may be downloaded at IR’s web site Datasheets are in PDF format for on screen viewing or printing.

Evaluation Boards Evaluation boards are available through your local IR sales office in the Mobile PentiumTM II Design Kit order as IRNBPS1.

Support E-mail Chris Davis at for support of this evaluation board and the IRF7805 and IRF7807 MOSFETs.

Key Features
• 90% Peak Efficiency 10Vin
• Designed for new mobile PentiumTM II
processors.
• Accepts input voltages from 10V to 24V
• to 2.00V digitally selectable output
• Up to 7A continuous output
• Complete efficiency characterization
• Complete thermal characterization
• Design kit available IRNBPS1

International Rectifier, 1998 TM Intel Trademark

International Rectifier

Specifications

Absolute Maximum Ratings

Table 1

Param eter

Units

Input Voltage

Digital I/O

Continuous Output Current

Efficiency, Typical

Param eter
ηpeak, Vout = 1.6V, Fixed PW M η Iout = 5.6A, Vout = 1.6V, Fixed PW M

Vin = 10V 90

Vin = 14V

Vin = 24V 82

Units % %

Electrical Input Specifications

Param eter

Units

Input Voltage

Input Current

Power O utput Specifications all specified line and load conditions

Param eter

Units

Voltage Range

Output Current

Voltage Regulation

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived IRNBPS1 Datasheet file may be downloaded here without warranties.

Datasheet ID: IRNBPS1 639104