XRP7708EVB Exar Corporation, XRP7708EVB Datasheet - Page 8

• Manufacturer Part Number: XRP7708EVB
• Description: EVAL BOARD FOR XRP7708
• Manufacturer: Exar Corporation
• Type: PMIC Solutionsr

Specifications of XRP7708EVB

• Main Purpose: DC/DC, Step Down
• Outputs And Type: *
• Voltage - Output: *
• Current - Output: *
• Voltage - Input: *
• Regulator Topology: Buck
• Frequency - Switching: *
• Board Type: Fully Populated
• Utilized Ic / Part: XRP7708
• Board Size: 6 mm x 6 mm x 0.8 mm
• Interface Type: I2C
• Maximum Operating Temperature: + 125 C
• Operating Supply Voltage: 6.5 V to 20 V
• Product: Power Management Development Tools
• Sense Voltage (max): 5 mV
• Dimensions: 6 mm x 6 mm x 0.8 mm
• Silicon Manufacturer: Exar
• Silicon Core Number: XRP7708
• Kit Application Type: Power Management - Voltage Regulator
• Application Sub Type: Step Down DC/DC Controller
• For Use With/related Products: XRP7708
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1016-1346

TYPICAL PERFORMANCE CHARACTERISTICS
All data taken at T
this datasheet.
© 2010 Exar Corporation
FET: FDS8984; Inductor:744310200 7x7x3mm
FET: Si4944; Inductor: 744314xxx 7x7x5mm
Fig. 8: Simultaneous Start-up Configuration
300kHz - Channels not in use are disabled
300kHz - Channels not in use are disabled
Fig. 4: 12Vin Efficiency: Single Channel
Fig. 6: 12Vin Efficiency: Single Channel
CH1:3.3V CH2:5V CH3:1V CH4:1.8V
J
= T
A
= 25°C, unless otherwise specified - Schematic and BOM from Application Information section of
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8/27
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1V @ 8A, 5V & 3V3 - FET: FDS8984; Inductor: 744314490
Fig. 5: 12Vin Combined Efficiency, 5V & 3V3 @ 5A, 1V8 &
7x7x5mm 1V8 & 1V - FETs: SiR466 upper, SiR464 lower;
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D
FET: FDS8984; Inductor:744310200 7x7x3mm
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1MHz - Channels not in use are disabled
Fig. 7: 12Vin Efficiency: Single Channel
t
t
Inductor: 7443551130 13x13x6.5mm
CH1:3.3V CH2:5V CH3:1V CH4:1.8V
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Fig. 9: Simultaneous Soft-Stop
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Rev. 1.0.3
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