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IRP6VRM1-EV

P1-P3P4-P6P7-P8
WWW.irf.com 7
Transient Load At 2.1V Out
Performance at 2.1 volts out is very similar
to that at 3.5 volts. The notable exception
is a reduction of the negative spike at the
current rising edge. This is due to having
more average voltage available to change
the current in L1.
Limit 100Hz 100kHz
Min 1.995 2.028 2.004
Max 2.205 2.176 2.163
Fig 17. 100Hz 2.1 Volts Output Fig 18. 100kHz 2.1 Volts Output
Fig 19. Turn On Input Current Waveform
Input di/dt During Transient Load
The Intel guideline (optional) specification
calls for a maximum input di/dt during
transient load of 0.1A/µs. The IRP6VRM1
readily meets this specification at turn on,
but falls short at turn off.
This is common to all VRM boards evaluated
by IR, regardless of manufacturer. It should
not cause difficulties for most users, but if it
is an issue for your design, add input
inductance.
Fig 20. Falling Input Current Waveform
CH4-2A/div
M2-50mA/us/div
CH4-2A/div
M2-50mA/us/div
Dynamic Performance (continued)
IRP6VRM1
8 WWW.irf.com
Fig 24. Turn on Waveform, 3.5 Volts Out
Turn On Transient
Output voltage must remain within 10% of
the nominal set point.
Out Limit Measured
2.1V 2.31 2.12
3.5V 3.85 3.84
Fig 23. Turn on Waveform, 2.1 Volts Out
Fig 22. 3.5 Volts Out, Full Load
Output Ripple Voltage
Output ripple voltage is specified as a
maximum 2% p-p.
Out Limit Measured
2.1V 42mV 11mV
3.5V 70mV 16mV
Fig 21. 2.1 Volts Out, No Load
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IR FAR EAST 171 (K&H Bldg.), 30-4 Nishi-ikebukuro 3-Chome, Toshima-ku, Tokyo Japan Tel: 81 3 3983 0086
IR SOUTHEAST ASIA: 315 Outram Road, #10-02 Tan Boon Liat Building, Singapore 0316 Tel: 65 221 8371
http://www.irf.com/ Data and specifications subject to change without notice. 3/97
Dynamic Performance (continued)
IRP6VRM1
P1-P3P4-P6P7-P8

IRP6VRM1-EV

Mfr. #:
Buy IRP6VRM1-EV
Manufacturer:
Infineon Technologies
Description:
KIT PENTIUM PRO 12.4A DC-DC CONV
Lifecycle:
New from this manufacturer.
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