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参数资料
| 型号： | TWR-3.3/4000-15/500-D24 |
| 元件分类： | 电源模块 |
| 英文描述： | 3-OUTPUT 30 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | 2 X 2 INCH, PLASTIC, PACKAGE-7 |
| 文件页数： | 1/5页 |
| 文件大小： | 329K |
| 代理商： | TWR-3.3/4000-15/500-D24 |
Low cost! High reliability!
Triple outputs:
3.3V @ 4A for chip sets
±12/15V @ ±625/500mA for line drivers
Two independent control loops
18-36V or 36-75V input voltage range
85% efciency guaranteed
Small (2" x 2") package; Standard pinout
Fully isolated, 1500Vdc guaranteed
Fully I/O protected;Thermal shutdown
–40 to +65°C operation without derating
UL1950/EN60950 (basic insulation)
approvals pending
Qual tested; HALT tested; EMC tested
Modications and customs for OEM’s
High-Reliability, xDSL Optimized
30 Watt, DC/DC Converters
Triple Output
TWR Models
Features
Figure 1. Simplied Schematic
Offering an outstanding combination of price, reliability, efciency (typically 87%),
and size (standard 2" x 2" package and pinout), DATEL’s new TWR Model 30W
Triple-Output DC/DC’s bring new levels of cost-effectiveness and exibility to design-
ers of central-ofce xDSL line cards and DSLAM’s. Operating from either 48V (36-
75V range) or 24V (18-36V range) inputs, TWR triples provide a 3.3V primary output
(up to 4A) for driving xDSL chip sets and DSP’s and either ±12V (@ ±625mA) or
±15V (@ ±500mA) auxiliary outputs for powering high-current, wide-bandwidth line
drivers/receivers
Unlike traditional triple-output designs which have both their primary and auxil-
iary outputs regulated by a single control loop, TWR 30W triples are essentially two
converters in one. Their unipolar 3.3V and bipolar ±12/15V converters each have
their own, independent, control loops. The unipolar 3.3V device exploits contem-
porary full synchronous-rectication techniques, and the bipolar device uses a
traditional forward architecture. These devices are fully input (overvoltage lockout,
undervoltage lockout, reverse-polarity protection) and output (current limiting, short-
circuit protection, overvoltage protection, thermal shutdown) protected to safeguard
both the power converter and its load.
For your next-generation, high-throughput, long-reach, xDSL challenge, consider
a complete, highly integrated power solution from DATEL. Its versatility and cost-
effectiveness may better enable your product to prevail in the rapidly changing,
multi-service, xDSL marketplace. Safety approvals (UL1950/EN60950, basic insula-
tion), qual testing, and EMI compliance (EMC) testing are in progress.
DATEL, Inc., Manseld, MA 02048 (USA)
Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 Email: sales@datel.com Internet: www.datel.com
SWITCH
CONTROL
ON/OFF CONTROL
OR OPTIONAL SYNC
INPUT
UNDERVOLTAGE
AND OVERVOLTAGE
COMPARATORS
+3.3V OUTPUT
+12/15V OUTPUT
–12/15V OUTPUT
OUTPUT
RETURN/COMMON
+VIN
–VIN
PWM
CONTROLLER
OPTO
ISOLATION
REFERENCE &
ERROR AMP
PWM
CONTROLLER
OPTO
ISOLATION
REFERENCE &
ERROR AMP
■
A SUBSIDIARY OF C&D TECHNOLOGIES
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