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MDC_VRK81B100CS

Description
Programmable, 100A Single Output DC/DC Converter
File Size98KB,4 Pages
ManufacturerMurata
Websitehttps://www.murata.com
Download Datasheet View All

MDC_VRK81B100CS Overview

Programmable, 100A Single Output DC/DC Converter

VRK81B100CS
Programmable, 100A Single Output DC/DC Converter
SELECTION GUIDE
Order Code
VRK81B100CS-1C
Input Voltage
V (NOM.)
12
Output Voltage
V
0.8-1.55
Output
Current
A
100
Efficiency
% (Typ.)
85
INPUT CHARACTERISTICS
Parameter
Input voltage operating range
Conditions
1
Turn-on threshold
Turn-off threshold
Hysteresis voltage
Typical: 80A, 1.4VID, V
IN
= 12V
Max: 80A, 1.55VID, V
IN
= 12V
Enable state, no load
Disabled state
On state range
Off state range
Min.
10.2
6.5
5.4
0.7
Typ.
12.0
6.9
6.0
0.9
11
200
20
Max.
13.2
7.3
6.6
1.1
13
400
50
5
0.4
Units
V
Under voltage lockout
FEATURES
Meets AMD K8 requirements
DAC Programmable output voltage
Power good output
Differential remote sense
Remote enable
Supervisory functions
Latch off overcurrent
Short circuit protection
Tri-state output when disabled
Dynamic VID capability
SMBus temperature monitor
Enable - positive logic
Maximum input current
No-load input current
Disabled input current
A
mA
V
100
10
0.8
-0.3
OUTPUT CHARACTERISTICS
Parameter
Voltage set point
Line regulation
Load regulation
Voltage total regulation DC
Ripple & noise
2
Current operating range
Efficiency
Turn-on time
Recommended bulk output
capacitance
I
O
= 100A, VID = 1.325V
I
O
= 80A, VID = 1.325V
V
IN
present: enable to 90% V
OUT
560μF, 4V alum poly
10μF, 1206 X7R ceramic
Conditions
1
5-Bit DAC controlled
Min.
0.800
-5
VID-50mV
Typ.
0
0.6
Max.
1.55
5.0
VID+50mV
Units
V
mV
V
mVp-p
20MHz bandwidth, using
recommended output capacitors
0
82
83
8.4
100
84
85
50
8
25
A
%
mS
EA
EA
DESCRIPTION
VRK81B100CS 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, VRK81B100CS is ideal for use in
a wide variety of server applications.
This product is a direct replacement for
VRK81B080CS.
GENERAL CHARACTERISTICS
Parameter
Semiconductor junction
temperature
Material flammability
MTBF
Switching frequency
Conditions
1
Package rated to 150ºC
UL 94V-0
Calculated (RAC PRISM)
Per phase
Min.
Typ.
Max.
115
Units
ºC
x10
6
Hrs
KHz
1.303
300
TEMPERATURE CHARACTERISTICS
Parameter
Storage temperature range
Operating temperature
range
Conditions
1
Non-condensing
See derating graph
Min.
-40
0
Typ.
Max.
70
60
Units
ºC
PROTECTION CHARACTERISTICS
Parameter
Output overcurrent
shutdown
 
Conditions
1
Latching
V
OUT
Min.
115
Typ.
Max.
120
Units
A
V
Overvoltage Indication,
CBOUT
2.1
For full details go to
www.murata-ps.com/rohs
1. V
IN
= 12VDC, T
A
= 25ºC, Airflow = 400LFM unless otherwise noted.
2. Output ripple voltage is specified when measured with recommended capacitance at the output of the converter
.
www.murata-ps.com
Technical enquiries
-
email:
sales@murata-ps.com,
tel:
+1 508 339 3000
MDC_VRK81B100CS.B01
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