Features:

www.lineagepower.com/oem

Lineage Power

Lineage Power

Lineage Power (China)

3000 Skyline Dr.

2841 Dow Avenue

1353 Chenqiao Road, Shanghai Sengpu Industrial Park

Mesquite, TX 75149

Tustin, CA 92780 USA

Shanghai, 201401 China

Phone: (972) 284-2000

Phone: (714) 544-6665

Phone: 021 6710 8910

CAR2548DC Series

2500 Watt / DC Input / 48V Front End

rev 100506

KEY MARKET SEGMENTS & APPLICATIONS

SPECIFICATIONS

2,500 Watt +48V Front End Power Supply with 48 VDC Input Range

Input Voltage Range

-36 ~ -75 VDC Input Range

Turn on / off (Hysteresis)

-42~48VDC Turn-on / -36 VDC Turn Off (maximum)

Input Current Maximum

75A, Full Load (max)

Input Protection

100ADC

Efficiency

87% at 20% Load) / 91% @ 30~50% Load / 90% @ 100% Load (see efficiency curve)

Idling Power

35W Max (output Inhibited) / 45W (output enabled)

Hold-Up Time

4ms (Full load with 5,000μF external capacitance, 52V setpoint, droop to 44Vdc is permitted)

Isolation

2250 VDC Input / Output, 1500 VDC Input to Frame

Output Voltage Range

43.2 ~ 56 VDC with remote programming

Output Power

2500 Watts / 52A @ 48Vout (max continuous)

Standby Bias Voltage

3.3VSB@1A (optional 5VSB)

Voltage Regulation

±2% of Vnom for any combination of line, load and temperature

Output Ripple & Noise

1% (pk-pk) @ 20MHz with 0.1µF ceramic and 10µF Tantalum caps at the output

Transient Response

2V max deviation Recovery time 300μs @ 50% load step and di/dt < 1A/μs

Remote On/Off

TTL Compatible input, ON if >3V or open, OFF if <1V

Over Voltage Protection

58~60VDC Trip Point (±1V), Recycling DC input, Remote OFF/ON or i2c software

implemented OFF/ON will restart the unit.

Current Limit Protection

105~130% of nominal, Fold down current limit, adjustable via i2c. Hiccup mode offered via i2c when the output is <40Vdc

Short Circuit Protection

Self protected with auto recovery

Operating Temperature

-10°C to +70°C, active power derating above 50°C (2.5%/°C), startup @ -40C, within spec @ 30 min of warm up

Over Temperature Protection

Non-Latching, thermal shutdown point is set for 125°C and recovery point is 110°C

EMI

FCC-B & EN-55022-B with specified filter or rack level (GR-1089-CORE)

LED Indicators

3 LED Indicators to indicate Green = Input OK / Green = DCOK / Red = Fault

Analog Status & Control

Voltage Programming (V Prog), Load sharing (I Share), Remote On/Off, Current Monitor (I Monitor), Input OK, DC OK,

Temperature Warning, Fault, PS Present, Module Enable,

Digital Status & Control

Shock & Vibration

NEBS GR-63-CORE Level 3

Dimensions

14.25 x 4.00 x 1.6” / 361.95 x 101.6 x 40.64mm

Safety Approvals

IEC/UL/CSA/EN60950-1, CE Mark (LVD)

Options

5VSB Output

FEATURES

BENEFITS

More system space for application circuits and hardware

Load Sharing & Fault Tolerant

Excellent reliability in N+1 operation

Automatic Fan Speed Control

Reduces audible noise and increases reliability

System Scalability up to 10kW

Allows flexibility with minimum investment

Universal Input & International

Certifications

Reduces logistical costs