VER : A_1
update : 2015.03.16
DC-DC Brick
BR300 SERIES
300 Watts
DESCRIPTION
KEY FEATURES
Input under Voltage Protection
Over Current Protection (Hiccup Mode)
Short Circuit Protection (Hiccup Mode)
Over Voltage Protection (Hiccup Mode)
Over Temperature Protection (Self-recovery)
Remote ON/OFF Control
The BR300-12S is a new generation isolated DC-DC converter that uses an
industry standard quarter-brick structure, and features high efficiency and
power density, operates from an input voltage range of 36 V to 75 V, provides
the rated output voltage of 12V and the maximum output current of 25A.
Remote Sense
Output Voltage Trim
UL60950-1 and CSA C22.2 No. 60950-1-07
Meet UL94V-0 Flammability Requirements
Rohs6 Compliant
Size: 2.28 x 1.45 x 0.5 Inches
3-Years Product Warranty
ELECTRICAL SPECIFICATIONS
Conditions: TA = 25°C (77°F), Airflow = 1 m/s (200 LFM), Vin = 48 V, unless otherwise notes.
Model No.
BR300-12S
Max Output Wattage (W)
300W
Voltage (V.DC.)
48V (36~75V)
Input
Current (A) (max)
15A
No-Load Loss (W) (typ.)
Voltage (V.DC.)
3.5W
12V
Regulated Voltage Precision (max.)
Current (A) (max.)
3.5%
25A
Line Regulation (LL-HL) (typ.)
Load Regulation (0-100%) (typ.)
Ripple & Noise (peak to peak) (typ.)
Efficiency (typ.)
0.2%
3%
Output
150 mV (Oscilloscope Bandwidth:20 MHz)
100% Load 95%
(Vin = 48 V; TA=25°C (77°F))
50% Load 95.5%
20% Load 92%
Over Power Protection
Hiccup mode
Over Current Protection
Over Voltage Protection
Short Circuit Protection (max.)
Over Temperature Protection
Hiccup mode
13.8~16.8V (Hiccup mode)
Hiccup mode
Protection
Threshold:105~125°C (typ.) / Hysteresis:5°C (min.)
Self-recovery
(The values are obtained by measuring the temperature of the PCB near the thermal resistor.)
Isolation
Voltage (V.DC.)
1500 VDC (Basic Isolation)
Operating Temperature
Storage Temperature
Temperature Coefficient (max.)
Humidity
-40°C…+85°C
-55°C…+125°C
0.02 % Vout / °C (TA = -40°C to +85°C (-40°F to +185°F ))
95% RH
Environment
MTBF
1.5 Million Hours
(Telcordia SR332; 80% load; Airflow = 1.5m/s (300 LFM); TA = 40°C (104°F)
CE, UL, TUV
UL60950-1 and CSA C22.2 No. 60950-1-07
Safety
EMC
Agency Approvals
EMI (Conducted & Radiated Emission)
Dimension (L x W x H)
Weight
2.28 x 1.45 x 0.5 Inches ( 57.9 x 36.8 x 12.7 mm ) Tolerance 0.5 mm
60 g
Physical
Remote
On/Off Voltage
On/Off Current
Low level (V.DC.)
High level (V.DC.)
Low level (mA) (max.)
-0.7~1.2V
3.5~12V
1mA
Other
http://www.archcorp.com.tw
TEL: +886-2-26989508 FAX: +886-2-26981319
-1-