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BWR-5/6-3.3/7-D48S Datasheet

  • BWR-5/6-3.3/7-D48S

  • Analog IC

  • 11頁(yè)

  • ETC

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廬
廬
INNOVATION and EXCELLENCE
Dual Output
Mixed Voltage, BWR Models
5V and 3.3V, 2" x 2"
33 Watt, DC/DC Converters
Features
!
!
!
!
!
Regulated 3.3V and 5V outputs
5V @ 6Amps/3.3V @ 7 Amps capability
33 Watts total output power
No-load operation
Available input voltage ranges:
10-18V, 18-36V or 36-75V
Small 2" x 2" x 0.45" package
UL1950 and EN60950 safety approvals
mark available (75V-input models)
Continuous short-circuit protection
Fully isolated, 1500Vdc guaranteed
鈥?0 to +100擄C operating temperature
Input under and overvoltage shutdown
Output overvoltage protection
Thermal shutdown
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!
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For applications requiring 33 Watts of power from 5V and 3.3V, DATEL offers a
new power sharing DC/DC converter capable of meeting your output current require-
ments. The BWR-5/6-3.3/7-D48 (36-75V input), BWR-5/6-3.3/7-D24 (18-36V input)
and BWR-5/6-3.3/7-D12 (10-18V input) are fully isolated DC/DC converters capable
of delivering any combination of 5V and 3.3V loading up to a combined total of 33
Watts of output power.
Housed in a standard 2" x 2" x 0.45" metal package coated with electrically non-
conductive 鏗乶ish, these converters utilize a shared control-loop system to assure load
regulation of 鹵1% for 3.3V output and 鹵1.5% for 5V output. All models include input
Pi 鏗乴tering, input overvoltage and undervoltage shutdown circuitry, output overvoltage
protection, output short-circuit and current limiting protection, and thermal shutdown.
Each design also provides trim capability, on/off control function, or an optional sync
control. Fully synchronous output recti鏗乧ation renders high ef鏗乧iency and no-load
operation.
BWR power sharing modules offer low ripple and noise performance, high
ef鏗乧iency (88%), 1500Vdc of isolation voltage, and are fully speci鏗乪d for 鈥?0
to +100擄C operation. These devices meet IEC950, UL1950 and EN6950 safety
standards, including BASIC insulation requirements for "D48" models. CB reports
are available on request. "D48" models are CE marked (meet LVD requirements).
+INPUT
+5V OUTPUT
SWITCH
CONTROL
+3.3V OUTPUT
鈥揑NPUT
OUTPUT
RETURN
ON/OFF
CONTROL
(SYNC)
PWM
CONTROLLER
ACTIVE
BLEEDER
OPTO
ISOLATION
UV & OV
COMPARATORS
THERMAL
SHUTDOWN
REFERENCE &
ERROR AMP
TRIM
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

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