UST-12-250-D12 데이터 시트보기 (PDF) - DATEL Data Acquisition products

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UST-12-250-D12

Single Output UST Models

DATEL Data Acquisition products  

w w w .d a te l.c o m

®

®

INNOVATION and EXCELLENCE

Single Output

UST Models

Low-Cost, High-Reliability

3 Watt, DC/DC Converters

Features

s Lowest cost! Highest reliability!

n 100% SMT-on-pcb, including magnetics

n 100% automatically assembled

n Standard "DIP" package and pinouts

n Fully isolated, 1000Vdc guaranteed

n 5, 12 or 15 Volt outputs

n Choice of 3 wide-range inputs:

4.5-9 Volts

9-18 Volts

18-72 Volts

n Guaranteed efficiencies to 73%

n –40 to +75°C full-power operation

n Internal input/output filtering

n UL1950/C22.2 No. 950/IEC950 certified

n Modifications and customs for OEM’s

Rarely, has a Series of low-power DC/DC converters been defined by both low

cost and DATEL's made-in-the-USA quality and reliability. Our new UST Series of

single-output DC/DC’s achieves this best-of-both-worlds status by implementing a

proven circuit architecture (170-200kHz flyback design) as a full, SMT-on-pcb

assembly (including surface-mount magnetics) that is truly 100% automatically

assembled. Packaged in miniature 1.25" x 0.8", DIP-like plastic packages (UL94V-0

rated) and requiring no external components, UST Series DC/DC’s bring true

component-like convenience to designers of today’s distributed power systems.

Output voltages are 5, 12 or 15 Volts. Input voltage ranges are 4.5-9V ("D5"

models), 9-18V ("D12" models) or an ultra-wide 18-72V ("D48" models). UST

DC/DC’s are fully isolated (1000Vdc guaranteed) and include input (pi type) and

output filters within their package. Output transient response is a quick 200µsec,

while output ripple and noise are typically 75mVp-p.

These rugged modules are fully encapsulated with a thermally conductive

potting compound that contributes to their outstanding moisture/vibration resistance

and impressive MTBF. They operate over the full –40 to +75°C temperature range

without derating. All models have been thoroughly characterized (electrically,

mechanically and thermally), qualified (including HALT), and EMI/EMC tested.

Additionally, they are certified to UL1950, CSA 22.2 No. 950 and IEC950.

DATEL’s UST Model 3W DC/DC’s are excellent selections for telecom/datacom,

computer and process-control applications demanding small size, low cost and high

reliability. If required, their design "flexibility" allows for easy modification to your

application-specific requirements.

+VIN

+VOUT

COMMON

–VIN

PWM

CONTROLLER

OPTO

ISOLATION

REFERENCE &

ERROR AMP

Figure 1. Simplified Schematic

DATEL, Inc., Mansfield, MA 02048 (USA) • Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 • Email: sales@datel.com • Internet: www.datel.com

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