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参数资料
| 型号： | TWR-3.3/4-12/300-D12-C |
| 厂商： | MURATA POWER SOLUTIONS INC |
| 元件分类： | 电源模块 |
| 英文描述： | 3-OUTPUT 13.2 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT, PLASTIC PACKAGE-7 |
| 文件页数： | 1/9页 |
| 文件大小： | 248K |
| 代理商： | TWR-3.3/4-12/300-D12-C |
Typical units
Typical topography is shown.
Figure 1. Simplied block diagram
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com
FEATURES
±12V/±15V and 3.3V/5V outputs
10-18V, 18-36V or 36-75V inputs
Up to 22.5 Watts total output power with over-
temperature shutdown
To 87% efciency; 80-100mV Ripple and Noise
1" x 2" x 0.5" encapsulated package
1500Vdc isolation for both outputs
Certied to UL 60950-1, CSA-C22.2 No. 60950-1,
EN60950-1 safety approvals, 2nd Edition
Extensive self-protection with short circuit
shutdown
Output overvoltage and overcurrent protection
Input under and overvoltage shutdown
Ideal for mixed analog/digital systems
Packaged in 1" x 2" encapsulated modules, the TWR
22W series DC/DC converters offer three outputs
arranged as a unipolar low voltage supply and a
higher voltage
bipolar output pair. The unipolar section sup-
plies either +3.3V at 4A maximum or +5V at 3A
maximum. The bipolar outputs are either ±12Vdc
at 300mA maximum or ±15Vdc at 250mA and
are ideal for op amps, linear or analog circuits. A
single TWR converter can power applications with
combined analog and digital circuits such as a
CPU-controlled voice switch, embedded telephone
modem or analytical instruments.
The input section is fully isolated from the outputs
up to 1500Vdc minimum using Basic insulation.
Three wide input ranges are available including
10-18V (12Vdc nominal), 18-36V (24Vdc nomimal)
or 36-75V (48Vdc nominal). Peak-to-peak output
ripple/noise is typically 80-100mV at full load.
Efciencies range up to 87%.
The TWR 22W series outputs will limit their current
if driven to overload and may be short circuited
indenitely without damage. The inputs will shut
down if input voltage is either over or under limits
or has reversed input voltage. These converters
will operate at higher temperatures with adequate
airow.
The unipolar output features line and load regula-
tion of ±1%. Excellent dynamic response assures
transient load change settling within 100 microsec-
onds. Other convenience features include a remote
On/Off control to turn the outputs on via digital
logic, CPU bit, control transistor or a relay.
Fabrication uses DATEL’s advanced surface
mount automated pick-and-place assembly and
computer-controlled parameter testing. All TWR
22W series are certied to safety requirements in
UL, EN60950-1 and CSA-C22.2 No.60950-1, 2nd
Edition.
PRODUCT OVERVIEW
Triple Output/TWR Models
Isolated, High Reliability 1" x 2" DC/DC Converters
MDC_TWR22.C01 Page 1 of 9
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