DDR12-25D08-AJ

更新时间： 2024-09-25 06:52:51

品牌	Logo	应用领域
艾默生 - EMERSON-NETWORKPOWER		转换器电源电路输出元件 DC-DC转换器
页数	文件大小	规格书
3页	249K
描述
DC-DC CONVERTERS

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技术参数
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DDR12-25D08-AJ 技术参数

生命周期：	Contact Manufacturer	包装说明：	,
Reach Compliance Code：	unknown	ECCN代码：	EAR99
风险等级：	5.75	Is Samacsys：	N
模拟集成电路 - 其他类型：	DC-DC REGULATED POWER SUPPLY MODULE	Base Number Matches：	1

DDR12-25D08-AJ 数据手册

DDR12 Series

D u a l o u t p u t

DC-DC CONVERTERS Tracking 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_tt

output tracks the V_ddqoutput, while the V_ttoutput 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_ddqand remote ON/OFF facilities are

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

voltage conditions.

2 YEAR WARRANTY

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

SPECIFICATIONS

OUTPUT SPECIFICATIONS - V

INPUT SPECIFICATIONS - Contd.

ddq

Voltage adjustability

2.32-2.75 Vdc

2.5%

Input reflected ripple

(See Note 4)

100 mA (pk-pk)

Output setpoint accuracy Using 1% trim resistors

Remote ON/OFF

Logic compatibility

Open collector ref to -input

>2.0 Vdc

Line regulation

Low line to high line

0.1%

OFF

<0.8 Vdc

Load regulation

Minimum load to full load +0%/-1.0%

Start-up time

(See Note 5)

Power up

<20 ms

Cross regulation

Temperature Co-efficient

0.4%

Remote ON/OFF

0.2 mV/ºC

EMC CHARACTERISTICS

Ripple and noise

(See Note 1)

5 Hz to 20 MHz

4 A/100 µs

50 mV pk-pk

Electrostatic discharge

Conducted immunity

EN61000-4-2, IEC801-2

EN61000-4-2

Transient response

(See Note 2)

3.0% deviation

GENERAL SPECIFICATIONS

Overshoot

Nominal output at turn-on

2.0% max.

Efficiency

= 2.5 V

tt = 1.25 V

84% @ full load

ddq

Undershoot

150 mV max.

Switching frequency

(Fixed)

300 kHz typ.

ddq

OUTPUT SPECIFICATIONS - V

Tracking Accuracy

Measured at Converter Pins

12 mV

30 mV pk-pk

Approvals and

standards

(See Note 7)

IEC60950/EN60950

UL/cUL 1950/60950

(=V /2 - V )

ddq tt

Ripple and noise

(See Note 1)

5 Hz to 20 MHz

Material flammability

Weight

UL94V-0

34 g (1.3 oz)

TBD hours

Transient response

(See Note 2)

8 A/1 µs

3.0% deviation

MTBF

Telcordia SR-332

INPUT SPECIFICATIONS

Input voltage range

Input current

ENVIRONMENTAL SPECIFICATIONS

Thermal performance Operating ambient,

Nominal 12 V

10.8-13.2 Vdc

0 °C to +80 °C

temperature

Non-operating

Minimum load

Remote OFF

400 mA

20 mA

-40 °C to +125 °C

Input current (max.)

(See Note 3)

9 A max. @ Io max.

and Vin = 10.8 Vdc

File Name: ddr12.pdf Rev: 04 Sept 2006

12 3

中文翻译

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与DDR12-25D08-AJ相关器件

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DDR144S2	ADAM-TECH	获取价格	DIMM SOCKET S.O. DIMM SOCKET DDR SOCKET
DDR144S3	ADAM-TECH	获取价格	DIMM SOCKET S.O. DIMM SOCKET DDR SOCKET
DDR144V1	ADAM-TECH	获取价格	DIMM SOCKET S.O. DIMM SOCKET DDR SOCKET
DDR144V2	ADAM-TECH	获取价格	DIMM SOCKET S.O. DIMM SOCKET DDR SOCKET
DDR144V3	ADAM-TECH	获取价格	DIMM SOCKET S.O. DIMM SOCKET DDR SOCKET
DDR-15	MEANWELL	获取价格	15W DIN Rail Type DC-DC Converter

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