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參數資料
| 型號： | PI1004-2-QAHG |
| 廠商： | Vicor Corporation |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Programmable Point-of-Load Controller with 6-bit VID |
| 中文描述： | 可編程點負載控制器的6位VID |
| 文件頁數： | 1/16頁 |
| 文件大小： | 708K |
| 代理商： | PI1004-2-QAHG |
Picor Corporation picorpower.com
PI1004 Data Sheet Rev. 2.5
Page 1 of 16
PI1004-1
PI1004-2
Programmable Point-of-Load Controller with 6-bit VID
Features
0.5% Typical initial output voltage accuracy
Remote differential output voltage sense
6 Bit DAC, with 12.5 mV resolution
5 V to 12 V Operation
Power good output with blanking
Programmable adaptive voltage positioning (AVP)
Over voltage protection (OVP) output or
programmable VID offset
Programmable soft start
Optimized for VRM/VRD 10.X specifications
20 MHz Gain bandwidth amplifier
Enable input
Applications
Supports FPA
Intel
VR10.X CPU Power
Workstation CPU Power
Isolated DC-DC Converters
Package
24-Lead (4mm x 4mm) QFN
Typical Circuit
Vin
PRM-AL
VTM
PI1004
Vout
Vf
Vref
VID
DAC
}
D0-D5
+
–
ZVS
+
–
VI
K
+
–
Figure 1
- Basic connection in FPA application.
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
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.
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