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PI1004-1-QAHG Datasheet

  • PI1004-1-QAHG

  • Programmable Point-of-Load Controller with 6-bit VID

  • 16頁

  • VICOR   VICOR

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PI1004-1
PI1004-2
Programmable Point-of-Load Controller with 6-bit VID
Description
The PI1004 IC combines a Voltage Identification Digital
Input (VID) controlled reference with control and
supervisory functions to accurately set the regulator
output voltage at the point of load, for isolated and CPU
DC-DC converters in desktop and server applications. The
PI1004 feature set is intended to be used in conjunction
with a variety of power architectures, including Factorized
Power Architecture (FPA), to provide CPU power in
accordance with Intel
廬
VR10.X requirements. The feature
set includes a precision error amplifier for remote
differential sensing of the output voltage, a six bit
programmable VID reference voltage output with 12.5
mV resolution, and flexible adaptive voltage positioning.
The regulation voltage can also be shifted below the VID
range with a programmable offset current. The controller
includes an over-voltage indicator output, an open
collector power-good output, under-voltage lockout and
an externally programmable soft start.
The PI1004 is available in two options;
PI1004-1:
Programmable VID offset current and no OVP output. The
VID offset current is used to create an offset to the DAC
output.
PI1004-2:
OVP output and no VID offset.
Features
鈥?0.5% Typical initial output voltage accuracy
鈥?Remote differential output voltage sense
鈥?6 Bit DAC, with 12.5 mV resolution
鈥?5 V to 12 V Operation
鈥?Power good output with blanking
鈥?Programmable adaptive voltage positioning (AVP)
鈥?Over voltage protection (OVP) output or
programmable VID offset
鈥?Programmable soft start
鈥?Optimized for VRM/VRD 10.X specifications
鈥?20 MHz Gain bandwidth amplifier
鈥?Enable input
Applications
鈥?/div>
Supports FPA
鈥?/div>
Intel
廬
VR10.X CPU Power
鈥?/div>
Workstation CPU Power
鈥?/div>
Isolated DC-DC Converters
Package
鈥?24-Lead (4mm x 4mm) QFN
Typical Circuit
PRM-AL
VTM
Vin
ZVS
Vf
+ +
鈥?/div>
K
鈥?/div>
PI1004
V鈥
Vout
Vref
+
鈥?/div>
VID
DAC
}
D0-D5
Figure 1
- Basic connection in FPA application.
Picor Corporation 鈥?picorpower.com
PI1004 Data Sheet Rev. 2.5
Page 1 of 16

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