VRM10.1 XPhaseTM/DirectFETTM High Efficiency Demo Board ...
VRM10.1 XPhaseTM/DirectFETTM High Efficiency Demo Board ...
VRM10.1 XPhaseTM/DirectFETTM High Efficiency Demo Board ...
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SPECIFICATIONS<br />
Absolute Maximum Rating<br />
<strong>VRM10.1</strong> XPhase TM /DirectFET TM<br />
<strong>High</strong> <strong>Efficiency</strong> <strong>Demo</strong> <strong>Board</strong><br />
(DB3C)<br />
Test Condition: 25°C<br />
Input/Output Name Minimum Maximum Units<br />
12V Input -0.3 14 V<br />
Load Current 0 150 A<br />
Performance<br />
Test Conditions: 25°C, 400 LFM air flow, 10.8V < Vin < 13.2V<br />
Parameter Test Conditions Minimum Typical Maximum Units<br />
Vcore<br />
Output Voltage DAC = 101001, Io=0A 1.310 1.330 1.350 V<br />
Output Voltage DAC = 101001, Io=100A 1.220 1.240 1.260 V<br />
Output Voltage DAC = 101001, Io=120A 1.200 1.220 1.240 V<br />
Vout Peak Transient Step between 0A and 80A<br />
100 120 mVpk<br />
Response<br />
@200A/µsec.<br />
Output Ripple Io=100A 5 10 mVp-p<br />
Current Sharing<br />
Between Phases<br />
2.0 5.0 A<br />
Difference between the<br />
phases with highest and<br />
lowest current @100A<br />
load<br />
Converter <strong>Efficiency</strong> DAC=101001, Io=120A, 87.0 88.0 %<br />
airflow=400LFM @ 35C<br />
Switching Frequency 350 400 450 kHz<br />
Soft Start Time VCCP from 0V to 1.234V, 0.8 1 ms<br />
Io=100A<br />
Power Good Delay DAC=101001, Io=100A 1.5 2 ms<br />
Over-Current Threshold Normal operating temp. 135 150 A<br />
General<br />
+12V UVLO Start<br />
8.60 9.10 9.60 V<br />
Voltage of Control IC<br />
+12V UVLO Stop<br />
8.40 8.90 9.40 V<br />
Voltage of Control IC<br />
VBIAS Voltage 6.60 6.85 7.10 V<br />
Linear Regulator Output<br />
for MOSFET Driver<br />
7.0 7.6 8.2 V<br />
Page 3 1/16/2004
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