Datasheet > UWR-1.5/6000-D48ASTL1

UWR-1.5/6000-D48ASTL1

更新时间： 2024-11-30 23:41:15

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INNOVATION and EXCELLENCE

NEW

1.5, 1.8 & 2.5 Volt

Models

Single Output

A-Series, UWR Models

High-Density, 2" x 1"

1-6 Amp, 9-15 Watt DC/DC's

A - S E R I E S

The new 1.5V, 1.8V and 2.5V models in DATEL’s ﬂagship 9-15 Watt A-Series

can source a continuous 6 Amps. This is the most "low-voltage" current available

from a standard 1" x 2" package, and these power converters exemplify DATEL’s

relentless drive to bring you more power/current, from standard packages, without

compromising reliability or resorting to thermal specmanship.

Features

■

1.5/1.8/2.5VOUT models source 6 Amps

■

3.3V^OUTmodels source 4.25 Amps

5/12/15V^OUTmodels deliver full 15 Watts

310kHz synchronous-rectiﬁer topologies

Guaranteed efﬁciencies to 86%

By combining a high-frequency (310kHz), high-efﬁciency (to 88%), synchronous-

rectiﬁer topology with the newest components and time-tested, fully automated,

SMT-on-pcb construction, these UWR Models are able to bring you 9-15W (@ up

to 6A) in the standard 2" x 1" package from which most competitors can only get

5-10W (@ 3-4A). All UWR’s deliver their full output power over ambient temperature

ranges from –40°C to as high as +70°C (model and input voltage dependent) without

heat sinks or supplemental forced-air cooling. Devices derate to +100°C.

Output voltages are 1.5, 1.8, 2.5, 3.3, 5, 12 or 15 Volts. Input voltage ranges

are 10-18V ("D12" models), 18-36V ("D24" models) or 36-75V ("D48") models. All

models feature input pi ﬁlters, input undervoltage and overvoltage lockout, input

reverse-polarity protection, output overvoltage protection, output current limiting, and

continuous short-circuit protection. On/off control, sync, and output-trim functions are

optional (see Optional Functions). All models are certiﬁed to IEC950, UL1950 and

EN60950 safety requirements for OPERATIONAL insulation. "D48" models (36-75V

inputs) are CE marked.

Choice of 3 input voltage ranges:

10-18V, 18-36V, 36-75V

■

–40 to +60/70°C ambient w/o derating

Fully isolated (1500Vdc); I/O protected

UL1950/EN60950 certiﬁed

CE mark (75V^INmodels)

Standard 2" x 1" packages and pinouts

Optional V^OUTtrim, sync, on/off control

Pin compatible with Lucent LC/LW Series

UWR 9-15W DC/DC’s are packaged in low-cost, light-weight, diallyl phthalate

(UL94V-0 rated) plastic packages with standoffs. EMC compliance is achieved via a

low-noise design rather than through expensive metal shielding.

+V^IN

+V^OUT

SWITCH

CONTROL

–V^OUT

–V^IN

PWM

CONTROLLER

OPTO

ISOLATION

REFERENCE &

ERROR AMP

TRIM

(OPTIONAL)

UVLO & OVLO

COMPARATORS

ON/OFF

CONTROL

OR SYNC

1.5, 1.8, 2.5, 3.3V and 5V-output models use the synchronous-rectiﬁer conﬁguration shown above.

12V and 15V-output models employ a standard forward architecture.

(OPTIONAL)

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

12 3 4 5 6 7 8

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