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参数资料
| 型号： | BWR-5/3-3.3/4.25-D48AL2 |
| 厂商： | CD TECHNOLOGIES INC |
| 元件分类： | 电源模块 |
| 英文描述： | 2-OUTPUT 30 W DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 1/6页 |
| 文件大小： | 228K |
| 代理商： | BWR-5/3-3.3/4.25-D48AL2 |
5V and 3.3V, Independent Dual Output
30 Watt, DC/DC Converters
Dual Output
Mixed Voltage, BWR Models
Features
Figure 1. Simplied Schematic
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
DATEL's BWR series of DC/DC converters now includes two independent con-
verters in one 2" x 2" package. The BWR-5/3-3.3/4.25 family provides both 5V at 3
Amps and 3.3V at 4.25 Amps for a combined output power of 30 Watts from input
ranges of 10V to 18V (-D12A), 18 to 36V (-D24A), or 36 to 75V (-D48A).
Each output is regulated by its own control loop to provide ±1% load and ±0.5%
line regulation. Individual trim pins and a negative or positive on/off control pin
allow independent adjustment of output voltages and any combination of power-on
sequencing between the 5V and 3.3V outputs. A high efciency of 88% allows full
load operation up to +65°C ambient temperature in a still air environment. Although
functionally independent, both outputs are driven from synchronized PWMs to pre-
vent asynchronously generated beat frequencies.
Housed in a plastic case, all models include input Pi ltering, input overvolt-
age protection, independent output short circuit and current limiting protection and
independent output overvoltage protection as well as thermal shutdown. These
devices meet IEC950, UL1950 and EN6950 safety standards. CB reports are avail-
able upon request. "D48A" models are CE marked (meet LVD requirements).
Independently regulated 5V/3.3V outputs
5V @ 3A/3.3V @ 4.25A simultaneously
delivered
Independent VOUT Trim pins for margining
Independent On/Off Control pins
88% efciency; 75mV ripple/noise
Input ranges: 10-18V, 18-36V or 36-75V
UL 1950 and EN60950 safety approvals
Fully isolated, 1500Vdc guaranteed
Input under and overvoltage shutdown
Independent OVP; short circuit protection
Thermal shutdown
–INPUT
(2)
PWM
CONTROLLER
OPTO
ISOLATION
REFERENCE &
ERROR AMP
SWITCH
CONTROL
+3.3V OUTPUT
(9)
+3.3V OUTPUT
RETURN
(8)
SWITCH
CONTROL
+5V OUTPUT
RETURN
(6)
+5V OUTPUT
(5)
+5V TRIM
(7)
+3.3V TRIM
(10)
+INPUT
(1)
5V ON/OFF
CONTROL
(3)
3.3V ON/OFF
CONTROL
(4)
INPUT UNDERVOLTAGE
AND OVERVOLTAGE
COMPARATORS
PWM
CONTROLLER
OPTO
ISOLATION
REFERENCE &
ERROR AMP
A - S E R I E S
A SUBSIDIARY OF C&D TECHNOLOGIES
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相关代理商/技术参数 |
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