VRM64-80-12-UY - Artesyn Technologies, Inc.

VRM64 Series

Single output

NEW Product

Filename: vrm64.pdf Rev (02): 20 Dec 2005

•Meets AMD64 Processor specification

•Allows dynamic VID code changes

•5Bit VID input

•0.8 Vdc to 1.55 Vdc in 25 mV steps

•Up to 100 A/µs load transient

•Differential remote sense for improved load regulation

•Vertical plug-in to standard motherboard connector with

or without retention latch

•Output current up to 80 A continuous

•Open collector power good signal

•Monotonic turn-on and turn-off

•Fused input

•SMBus interface

•Available RoHS compliant

The AMD VRM non-isolated dc-dc converter is designed to meet the exceptionally fast

transient response requirements of today’s microprocessors and fast switching logic in a

compact size at an affordable price. Advanced circuit techniques, component selection,

placement optimization, and state-of-the-artsilicon integration thermal packaging, provide a

high power density,highly reliable, and veryprecise voltage regulation system for advanced

microprocessors. 2YEAR WARRANTY

Unless otherwise stated, all specifications are typical at nominal input, maximum

continuous rated load at 25 °Cand voltages arereferenced to Vin-. SPECIFICATIONS

DC-DC CONVERTERS 80 A Non-Isolated 1

International Safety Standard Approvals

VDE Certificate No. 2487000-3336-0016

GENERAL CHARACTERISTICS

Efficiency 1.5 V output @ 60 A 84% typ.

Switching frequency Fixed (See Note 4) 830 kHz

Approvals and standards IEC/EN60950 VDE

Material flammability UL94V-0

Weight <52 g (<2 oz)

MTBF Telcordia SR-332 >2,000,000 hours

Mating connector Tyco/Elcon 283-0172-01303

(See Table 1 for pin out)

Connector fingers Gold plated, 30 µ-inches

ENVIRONMENTAL SPECIFICATIONS

Maximum temperature Operating 5 ºC/10 min.

shock

Temperatureshock Operating 10 ºC/hour

Non-operating 20 ºC/hour

Humidity Operating 85% RH

(Non-condensing) Non-operating 95% RH

Altitude Operating 10,000 feet max.

Non-operating 50,000 feet max.

Shock Operational and 30 G 11ms

non-operational Half sine wave

Vibration Operational and 0.02 G2/Hz max.

(See Note 8) non-operational

Electrostatic discharge Indirect air 15 kV

IEC61000-4-2

Indirect contact 8kV

(See Note 6)

Thermal performance Operating ambient 0 ºC to +60 ºC

(See Note 5) temperature

Non-operating -40 ºC to +100 ºC

OUTPUT SPECIFICATIONS

Voltage adjustability

(See VID codes, Table 3) 0.8-1.55 Vdc

Output current 80 A

Voltage setting accuracy ±0.8%

Ripple and noise 20 MHz bandwidth 50 mV pk-pk

(See Notes 1, 2)

Short circuit protection Continuous current limit,

(See Note 7)

default setting as trip

Remote sensing compensating voltage Up to 300 mV max.

INPUT SPECIFICATIONS

Input voltage range 12Vin nominal 10.8-13.2 Vdc

Input current Operation 12.5 A max.

No load 1.1 A max.

Remote OFF 45 mA max.

UVLO Turn ON voltage 10.5 V typ.

TurnOFF voltage 9.8 V typ.

Hysteresis 0.65 V typ.

Start-up time Nominal line 10 ms max.

Enable

Logic compatibility Ref. to -input

ON >1.7 Vdc

OFF <0.8 Vdc

+5_ALWAYS Current demand 250 mA typ.

VRM64 Series

Single output

Filename: vrm64.pdf Rev (02): 20 Dec 2005

For the most current data and application support visit www.artesyn.com/powergroup/products.htm

DC-DC CONVERTERS 80 A Non-Isolated 2

NEW Product

Table 2: Voltage Identification (VID) Codes

INPUT OUTPUT

OUTPUT OUTPUT

EFFICIENCY REGULATION MODEL

VOLTAGE VOLTAGE

OVP CURRENT CURRENT

(TYP.) LOAD NUMBER (10,11)

(MIN) (MAX.)

12 Vdc 0.8-1.55 Vdc 2.2 Vdc 0 A 80 A 84% 50 mV VRM64-80-12-UY

PIN CONNECTIONS

PIN NO. FUNCTION PIN NO. FUNCTION

1 GND 54 +12 Vin

2 GND 53 +12 Vin

3 GND 52 +12 Vin

4 VID4 51 VID3

5 VID2 50 VID1

6VID0 49 Current Share

7 COREFB H 48 COREFB L

8 PWRGD 47 CBOUT

9 Enable 46 ADD 0

10 SMDA 45 ADD 1

11 SMCL 44 -VRMPRES

12 SGND 43 +5 V_always

13 VDD Core + 42 VDD Core +

14 VDD Core + 41 VDD Core +

15 VDD Core + 40 VDD Core +

16 GND 39 GND

17 GND 38 GND

18 GND 37 GND

19 VDD Core + 36 VDD Core +

20 VDD Core + 35 VDD Core +

21 VDD Core + 34 VDD Core +

22 VDD Core + 33 VDD Core +

23 VDD Core + 32 VDD Core +

24 VDD Core + 31 VDD Core +

25 GND 30 GND

26 GND 29 GND

27 GND 28 GND

Table 1: Pin Connections

VOLTAGE IDENTIFICATION (VID) CODES

VID4 VID3 VID2 VID1 VID0 VDAC

11 1 1 1Off

1 1 1 1 0 0.800

1 1 1 0 1 0.825

1 1 1 0 0 0.850

1 1 0 1 1 0.875

1 1 0 1 0 0.900

1 1 0 0 1 0.925

1 1 0 0 0 0.950

1 0 1 1 1 0.975

1 0 1 1 0 1.000

1 0 1 0 1 1.025

1 0 1 0 0 1.050

1 0 0 1 1 1.075

1 0 0 1 0 1.100

1 0 0 0 1 1.125

1 0 0 0 0 1.150

0 1 1 1 1 1.175

01 1 1 0 1.200

0 1 1 0 1 1.225

0 1 1 0 0 1.250

0 1 0 1 1 1.275

0 1 0 1 0 1.300

0100 1 1.325

0 1 0 0 0 1.350

0 0 1 1 1 1.375

0 0 1 1 0 1.400

0 0 1 0 1 1.425

0 0 1 0 0 1.450

000111.475

0 0 0 1 0 1.500

0 0 0 0 1 1.525

000 0 0 1.550

VRM64 Series

Single output

Filename: vrm64.pdf Rev (02): 20 Dec 2005

For the most current data and application support visit www.artesyn.com/powergroup/products.htm

DC-DC CONVERTERS 80 A Non-Isolated 3

NEW Product

SIGNAL ELECTRICAL INTERFACE

ELECTROMAGNETIC COMPATIBILITY

NNootteess

1Recommended output capacitance, 48 x 22 µF ceramic MLCC.

250 mV pk-pk ripple. Vin = 12 V, Vout = 1.5 V, Iout = 80 A.

3With the recommended capacitors (See Note 1) across the output, the

output voltage stays within the load regulation window for all loads and

transient events, up to 80 A. It will also allow instantaneous VID-on-the-

fly changes of up to 500 mV at 80 A.

4VRM64 uses a five phase buck topology. Each phase switches at

830 kHz. This gives an equivalent switching frequency of 4.2 MHz

5Maximum current requires adequate forced air over the converter. Please

consult Figure 1 for thermal derating.

6When the VRM detects an output over-voltage event, the OVP pin

transitions to logic high. This signal can be used to shut down the

supply to the VRM, or drive an external crowbar device.

7These are default settings. The current limit may be set to ‘trip’ or

‘hiccup’. The output overvoltage limits, input overvoltage and

undervoltage settings, the output droop and offset, the current limit

setpoint and many others can be changed by component changes.

Please consult the factory for details.

80.01 G2/Hz from 5 Hz to 20 Hz, maintaining 0.02 G2/Hz from 20 Hz to

500 Hz, all axes.

9In accordance with AMD requirements, PWRGD will go high at least 2 ms

after VDD settles within specifications.

10 The ‘Y’ suffix indicates that these parts are TSE RoHS 5/6 (non Pb-free)

compliant. Pb-free (RoHS 6/6) compliant versions may be available on

special request, please contact your local sales representative for details.

11 NOTICE: Some models do not support all options. Please contact your

local Artesyn representative or use the on-line model number search tool

at http://www.artesyn.com/powergroup/products.htm to find a suitable

alternative.

CHARACTERISTIC - SIGNAL NAME SYMBOL MIN TYP MAX UNITS NOTES AND CONDITIONS

ENABLE - on ENABLE (on) 1.7 5.5 V No pull up resistor provided

by the VRM

ENABLE - off ENABLE (off) -0.3 0.8 V No pull up resistor provided

by the VRM

PWRGD - high VPWRGD (high) 1.7 V No pull up resistor provided

by the VRM

PWRGD - low VPWRGD (low) -0.3 0.8 V Open-collector output to not more

than 5.5 V, max current 5 mA

PWRGD - low threshold 150 mV Below VID setting

PWRGD - turn-on response to Trise 2 2.5 10 ms For waveforms, refer to Application

ENABLE going high Note 185

VID - high Vih (VID) 1.7 5.5 V

VID - low Vil (VID) -0.3 0.8 V

OVP1 (See Note 7) 2.2 V Default setting is trip. At OVP1 or

OVP2 whichever is smaller

OVP2 (See Note 7) 133 % Of VID Setting

OVP drive voltage CB_OUT 4 V

SMBus Address high ADD_x (high) 3.8 V

SMBus Address low ADD_x (low) -0.3 0.7 V

SMBus Data high SMDA (high) 2.1 5.5 V

SMBus Data low SMDA_x (low) -0.3 0.8 V

CHARACTERISTIC - SIGNAL NAME SYMBOL MIN TYP MAX UNITS NOTES AND CONDITIONS

ESD - Indirect air 15 kV EN61000-4-2

In end user equipment

ESD - Indirect contact 8 kV EN61000-4-2

In end user equipment

Input characteristics:

Input current - operating IIN 12 A Vin = Vin (typ.),

Iout (cont.) = 80 A, VID = 1.5 V

Input capacitance - external bypass CINext 1600 µF

VRM64 Series

Single output

Filename: vrm64.pdf Rev (02): 20 Dec 2005

For the most current data and application support visit www.artesyn.com/powergroup/products.htm

DC-DC CONVERTERS 80 A Non-Isolated 4

NEW Product

Figure 2: Load Regulation

0 40 90 100

-25

-15

-10

-5

11Vin

12Vin

13Vin

OUTPUT VOLTAGE (V)

OUTPUT CURRENT (A)

-20

201030 50 60 70 80 110

Figure 1: Typical Thermal Derating At Sea Level

(12 Vin, 1.5 Vout)

Figure 3: Typical Efficiency Vs Load

TEMPERATURE (ºC)

OUTPUT CURRENT (A)

40 50 60 70 80 90 100

600LFM (3 m/s)

500LFM (2.5m/s)

400LFM (2m/s)

300LFM (1.5m/s)

40 60 80 100

11Vin

12Vin

13Vin

EFFICIENCY (%)

OUTPUT CURRENT (A)

Figure 4: Output Ripple and Noise

10 mV Per Square, 2 µs Per Square

VRM64 Series

Single output

Filename: vrm64.pdf Rev (02): 20 Dec 2005

Please consult our website for the following items: 4 Application Note www.artesyn.com

2005

The information and specifications contained in this datasheet are believed to be correct at time of publication. However, Artesyn Technologies accepts no responsibility for consequences arising

from printing errors or inaccuracies. The information and specifications contained or described herein are subject to change in any manner at any time without notice. No rights under any patent

accompany the sale of any such product(s) or information contained herein.

Dimensions in Inches Approx Metric

Equiv in (mm)

Tolerances (unless otherwise specified)

3 Places ±0.010 (0.250), 2 Places ±0.02 (0.51)

Third Angle Projections

0.50 max.

(12.7 max.)

0.75 max.

(19.05max.)

ELCON #283-0172-01303

MATING CONNECTOR

REF

0.039 (1.00)

0.25 max.

(6.35 max.)

0.519 ([13.19)

1.160 (29.46)

Pin #1

3.675 (93.35)

2.184 (55.47)

0.975

(24.77)

R0.079 (R2.00)

0.571 (14.50)

Pin #27

Plane

0.079 (2.00)

Conn Mtg

INSTALLED HEIGHT

1.250 max. (31.75 max.)

Figure 5: Mechanical Drawing

For the most current data and application support visit www.artesyn.com/powergroup/products.htm

DC-DC CONVERTERS 80 A Non-Isolated 5

NEW Product