CANDD VRK81B080CS-1C

VRK81B080CS
Programmable, 80A Single Output DC/DC Converter
SELECTION GUIDE
V (NOM.)
V
Output
Current
A
12
0.8-1.55
80
Input Voltage
Order Code
VRK81B080CS
Output Voltage
Efficiency
% (TYP.)
85
INPUT CHARACTERISTICS
Parameter
Conditions1
Input voltage operating range
Under voltage lockout
FEATURES
Meets AMD K8 requirements
DAC Programmable output voltage
Maximum input current
Power good output
No-load input current
Disabled input current
Differential remote sense
Enable - positive logic
Turn-on threshold
Turn-off threshold
Hysteresis voltage
Typical: 80A, 1.4VID, VIN = 12V
Max: 80A, 1.55VID, VIN = 12V
Enable state, no load
Disabled state
On state range
Off state range
MIN.
TYP.
MAX.
Units
10.2
6.5
5.4
0.7
12.0
6.9
6.0
0.9
11
13.2
7.3
6.6
1.1
V
100
10
0.8
-0.3
200
20
TYP.
13
400
50
5
0.4
A
mA
V
Remote enable
Supervisory functions
Latch off overcurrent
Short circuit protection
Tri-state output when disabled
Dynamic VID capability
OUTPUT CHARACTERISTICS
Parameter
Conditions1
MIN.
Voltage set point
Line regulation
Load regulation
Voltage total regulation DC
5-Bit DAC controlled
0.800
-5
SMBus temperature monitor
Ripple & noise 2
DESCRIPTION
Current operating range
Efficiency
Turn-on time
VRK81B080CS is designed to meet the fast load
transients required by AMD 64-bit processors
and is fully compliant with the latest AMD64™
processor power specifications. High efficiency of
85% at full load for reduced power dissipation to
simplify system thermal management. Packaged
in a compact design, VRK81B080CU is ideal for use
in a wide variety of server applications.
Recommended bulk output
capacitance
0
0.6
VID-50mV
20MHz bandwidth, using
recommended output capacitors
IO = 80A, VID = 1.325V
VIN present: enable to 90% VOUT
560μF, 4V alum poly
10μF, 1206 X7R ceramic
MAX.
Units
1.55
5.0
V
mV
mΩ
V
VID+50mV
8.4
0
83
mVp-p
80
50
A
%
mS
EA
EA
MAX.
Units
85
8
25
GENERAL CHARACTERISTICS
Parameter
Conditions1
Semiconductor junction
temperature
Package rated to 150ºC
Material flammability
MTBF
Switching frequency
UL 94V-0
Calculated (RAC PRISM)
Per phase
MIN.
TYP.
115
ºC
x106 Hrs
KHz
1.303
300
TEMPERATURE CHARACTERISTICS
Parameter
Conditions1
MIN.
Storage temperature range
Non-condensing
-40
70
Operating temperature
range
See derating graph
0
60
TYP.
MAX.
Units
ºC
PROTECTION CHARACTERISTICS
Parameter
Conditions1
Output overcurrent
shutdown
Latching
Overvoltage Indication,
CBOUT
VOUT
MIN.
TYP.
85
MAX.
Units
120
A
2.1
V
1. VIN = 12VDC, TA = 25ºC, Airflow = 400LFM unless otherwise noted.
2. Output ripple voltage is specified when measured with recommended capacitance at the output of the converter.
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ODC_VRK81B080CS.1 Page 1 of 4
VRK81B080CS
Programmable, 80A Single Output DC/DC Converter
THERMAL DERATING GRAPH
-'.
-'.
-'.
$VSSFOU
-'.
5FNQFSBUVSF
VID CODES
VID4
VID3
VID2
VID1
VID0
VOUT
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1.550
1.525
1.500
1.475
1.450
1.425
1.400
1.375
1.350
1.325
1.300
1.275
1.250
1.225
1.200
1.175
1.150
1.125
1.100
1.075
1.050
1.025
1.000
0.975
0.950
0.925
0.900
0.875
0.850
0.825
0.800
Shutdown
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ODC_VRK81B080CS.1 Page 2 of 4
VRK81B080CS
Programmable, 80A Single Output DC/DC Converter
PART NUMBER CODING
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PACKAGE SPECIFICATIONS
PIN ASSIGNMENT
Pin
Signal
Pin
Signal
1
2
3
4
5
6
7
8
9
101
111
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
GND
GND
GND
VID4
VID2
VID0
COREFB_H
PWRGD
ENABLE
SmDA
SMCL
SGND
VDD CORE+
VDD CORE+
VDD CORE+
GND
GND
GND
VDD CORE+
VDD CORE+
VDD CORE+
VDD CORE+
VDD CORE+
VDD CORE+
GND
GND
GND
54
53
52
51
50
49
48
47
461
451
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
+12VIN
+12VIN
+12VIN
VID3
VID1
NC
CORERB_L
CBOUT
ADD 0
ADD 1
VRMPRES_L
+5V ALWAYS
VDD CORE+
VDD CORE+
VDD CORE+
GND
GND
GND
VDD CORE+
VDD CORE+
VDD CORE+
VDD CORE+
VDD CORE+
VDD CORE+
GND
GND
GND
1. Optional features. Substitute “NC” if option is not ordered.
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ODC_VRK81B080CS.1 Page 3 of 4
VRK81B080CS
Programmable, 80A Single Output DC/DC Converter
PACKAGE SPECIFICATIONS (continued)
MECHANICAL DIMENSIONS
4:.
Recommended Interface Connector Options
Typco/Elcon
283-0172-01303 (Solder Tail, Long)
283-0172-02303 (Solder Tail, Short)
284-0202-03003 (Surface Mount)
All dimensions in inches ±0.03 (mm ±0.25mm).
C&D Technologies, Inc reserves the right to alter or improve the specification, internal design or manufacturing process
at any time, without notice. Please check with your supplier or visit our website to ensure that you have the current and
complete specification for your product before use.
© C&D Technologies, Inc. 2006
ODC_VRK81B080CS.1
No part of this publication may be copied, transmitted or stored in a retrieval system or reproduced in any way including,
but not limited to, photography, photocopy, magnetic or other recording means, without prior written permission from C&D
Technologies, Inc. Instructions for use are available from www.cd4power.com.
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Weight: 2.08oz (59g)
C&D Technologies, Inc.
4607 S.E. International Way,
Milwaukie, Oregon 97222, USA
C&D Technologies, Inc.
11 Cabot Boulevard, Mansfield,
MA 02048-1151, USA
Tel: +1 (971) 206-2800
Fax: +1 (503) 786-5011
email: oregon@cdtechno.com
Tel: +1 (508) 339-3000
Fax: +1 (800) 233-2765
email: sales@cdtechno.com
ODC_VRK81B080CS.1 Page 4 of 4