DDR12-25D08-AJ datasheet, PDF - EEWORLD Datasheet

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DDR12-25D08-AJ: Categorysemiconductor Power management; File Size247KB，3 Pages; ManufacturerArtesyn; Websitehttp://www.artesyn.com

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DDR12-25D08-AJ Parametric

Parameter Name	Attribute value
Product Category	Non-Isolated DC/DC Converters
Manufacturer	Artesyn
RoHS	Details
Product	Non-Isolated / POL
Number of Outputs	2 Output
Output Power	69 W, 11 W
Input Voltage	10.8 V to 13.2 V
Output Voltage-Channel 1	2.32 V to 2.75 V
Output Current-Channel 1	25 A
Output Voltage-Channel 2	1.16 V to 1.375 V
Output Current-Channel 2	8 A
Factory Pack Quantity	200
Unit Weight	1.199315 oz

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DDR12 Series

DC-DC CONVERTERS

Tracking Dual Output

Dual output

NEW Product

•

High current dual-output power module for DDR memory

•

Single compact module provides 25 A @ 2.5 V for V

ddq

supply and 8 A @ 1.25 V for V

termination

•

Tracking dual output voltages (1.25 V @ 8 A, 2.5 V @ 25 A)

•

Output voltage remote sense (only on V

ddq

)

•

Sink capability for logic terminations

•

Power good output signal

•

Overvoltage protection

•

Overcurrent protection

•

Remote ON/OFF

•

Available RoHS compliant

The dual output DDR12-25D08-AJ is specially designed to meet the power needs of

double data rate memory DIMMS and associated memory control logic. The V

output tracks the V

ddq

output, while the V

output can sink current as required by

logic terminations. This converter offers typical efficiencies greater than 84% when

operated at 50% load or greater. This model features a wide input range as well as

trimmable output voltages. Remote sense on V

ddq

and remote ON/OFF facilities are

included as standard, and the converter is protected against over-current and over-

voltage conditions.

All specifications are typical at nominal input, full load at 25 °C unless otherwise stated

2 YEAR WARRANTY

SPECIFICATIONS

OUTPUT SPECIFICATIONS - Vddq

Voltage adjustability

Output setpoint accuracy Using 1% trim resistors

Line regulation

Load regulation

Cross regulation

Temperature Co-efficient

Ripple and noise

(See Note 1)

Transient response

(See Note 2)

Overshoot

Undershoot

OUTPUT SPECIFICATIONS - Vtt

Tracking Accuracy

Ripple and noise

(See Note 1)

Transient response

(See Note 2)

INPUT SPECIFICATIONS

Input voltage range

Input current

Input current (max.)

Nominal 12 V

Minimum load

Remote OFF

(See Note 3)

10.8-13.2 Vdc

400 mA

20 mA

9 A max. @ Io max.

and Vin = 10.8 Vdc

Measured at Converter Pins

(=Vddq/2 - Vtt)

5 Hz to 20 MHz

8 A/1 µs

12 mV

5 Hz to 20 MHz

4 A/100 µs

Low line to high line

Minimum load to full load

2.32-2.75 Vdc

±2.5%

±0.1%

+0%/-1.0%

±0.4%

0.2 mV/ºC

50 mV pk-pk

±3.0% deviation

2.0% max.

150 mV max.

INPUT SPECIFICATIONS - Contd.

Input reflected ripple

Remote ON/OFF

Logic compatibility

OFF

Start-up time

(See Note 5)

(See Note 4)

100 mA (pk-pk)

Open collector ref to -input

>2.0 Vdc

<0.8 Vdc

Power up

Remote ON/OFF

<20 ms

EMC CHARACTERISTICS

Electrostatic discharge

Conducted immunity

EN61000-4-2, IEC801-2

EN61000-4-2

GENERAL SPECIFICATIONS

Nominal output at turn-on

Efficiency

Switching frequency

(Fixed)

Approvals and

standards

Material flammability

Weight

MTBF

Telcordia SR-332

Vddq = 2.5 V

Vtt = 1.25 V

Vddq

Vtt

(See Note 7)

84% @ full load

300 kHz typ.

IEC60950/EN60950

UL/cUL 1950/60950

UL94V-0

34 g (1.3 oz)

TBD hours

30 mV pk-pk

±3.0% deviation

ENVIRONMENTAL SPECIFICATIONS

Thermal performance

Operating ambient,

temperature

Non-operating

0 °C to +80 °C

-40 °C to +125 °C

File Name: ddr12.pdf Rev: 04 Sept 2006

DDR12-25D08-AJ Related Products

	DDR12-25D08-AJ	DDR12-25D08-A
Description		Non-Isolated DC/DC Converters 80W 12VDC 2.5/1.25V
Product Category	Non-Isolated DC/DC Converters	Non-Isolated DC/DC Converters
Manufacturer	Artesyn	Artesyn
RoHS	Details	No
Product	Non-Isolated / POL	Non-Isolated / POL
Number of Outputs	2 Output	2 Output
Output Power	69 W, 11 W	69 W, 11 W
Input Voltage	10.8 V to 13.2 V	10.8 V to 13.2 V
Output Voltage-Channel 1	2.32 V to 2.75 V	1.25 V
Output Current-Channel 1	25 A	8 A
Output Voltage-Channel 2	1.16 V to 1.375 V	2.5 V
Output Current-Channel 2	8 A	25 A
Factory Pack Quantity	200	200
Unit Weight	1.199315 oz	1.199315 oz

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