廬
廬
NEW
1.5, 1.8 & 2.5 Volt
Models
A-SERIES
INNOVATION and EXCELLENCE
Single Output
A-Series, UWR Models
High-Density, 2" x 1"
1-6 Amp, 9-15 Watt DC/DC's
The new 1.5V, 1.8V and 2.5V models in DATEL鈥檚 鏗俛gship 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鈥檚
relentless drive to bring you more power/current, from standard packages, without
compromising reliability or resorting to thermal specmanship.
By combining a high-frequency (310kHz), high-ef鏗乧iency (to 88%), synchronous-
recti鏗乪r 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鈥檚 deliver their full output power over ambient temperature
ranges from 鈥?0擄C to as high as +70擄C (model and input voltage dependent) without
heat sinks or supplemental forced-air cooling. Devices derate to +100擄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 鏗乴ters, 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 certi鏗乪d to IEC950, UL1950 and
EN60950 safety requirements for OPERATIONAL insulation. "D48" models (36-75V
inputs) are CE marked.
UWR 9-15W DC/DC鈥檚 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.
Features
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1.5/1.8/2.5V
OUT
models source 6 Amps
3.3V
OUT
models source 4.25 Amps
5/12/15V
OUT
models deliver full 15 Watts
310kHz synchronous-recti鏗乪r topologies
Guaranteed ef鏗乧iencies to 86%
Choice of 3 input voltage ranges:
10-18V, 18-36V, 36-75V
鈥?0 to +60/70擄C ambient w/o derating
Fully isolated (1500Vdc); I/O protected
UL1950/EN60950 certi鏗乪d
CE mark (75V
IN
models)
Standard 2" x 1" packages and pinouts
Optional V
OUT
trim, sync, on/off control
Pin compatible with Lucent LC/LW Series
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+V
IN
+V
OUT
SWITCH
CONTROL
鈥揤
OUT
鈥揤
IN
PWM
CONTROLLER
OPTO
ISOLATION
REFERENCE &
ERROR AMP
TRIM
(OPTIONAL)
ON/OFF
CONTROL
OR SYNC
(OPTIONAL)
UVLO & OVLO
COMPARATORS
1.5, 1.8, 2.5, 3.3V and 5V-output models use the synchronous-recti鏗乪r con鏗乬uration shown above.
12V and 15V-output models employ a standard forward architecture.
Figure 1. Simpli鏗乪d Schematic
DATEL, Inc., Mans鏗乪ld, MA 02048 (USA) 路 Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 路 Email: sales@datel.com 路 Internet: www.datel.com
UWR-3.3/4250-D24ASL1相關(guān)型號PDF文件下載
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CONV DC/DC 5V 8A SINGLE A T/H
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