250W Power Supplies Deliver Peak Power of 600W in Compact Size

Description

Power Partners has introduced the PPR250 Series of power supplies,
which deliver 250W of power, with 600W of peak power, in a compact 5”
x 3.2” x 1.5” package.   The Series is ideal for price sensitive, size
sensitive, or low profile applications in industries such as telecom,
datacom, industrial, and process control.

Units operate from an autoranging input and provide tightly regulated
single and dual outputs.  Single output models range from 3.3VDC to
54VDC and are user adjustable.  Dual output models pair voltages from
3.3VDC through 48VDC and output #1 is user adjustable.

Comprehensive protection circuitry is a standard feature, as is a
power good signal and remote on/off.  Designers use the PPR250 with
confidence as it has EMI compliance to FCC Part 15 and EN55022 Level
B, worldwide safety certification to UL60950 and EN60950 standards, a
MTBF of 100K hours, and is RoHS compliant.

The operating temperature is 0°C to 70°C, with derating above 50°C.
An optional mechanical format, which includes a cover and fan
assembly, is available.

Specs

• Input Voltage: 90-132 / 180-264Vac, 47-63Hz auto selectable. • Input Current: 6/3A at 110-120 / 200-240VAC. • Inrush Current: Max.70A@230Vac & 35A@115Vac; cold start. • PFC: Power factor corrected to EN61000-3-2 class A. • Transient Response: Output voltage returns to within 1% in less • than 2.5mS for a 50% load change, peak does not excess 5%. • Overshoot: Turn-on & off overshoot < 5% over nominal voltage. • Efficiency: 70% for 3.3V, 75% for 5V, 80% for 12V and 83% • minimum for others output @ 230V and full load. • Turn On Delay: 1 second maximum at 120 Vac. • Hold Up Time: 20mS min. at 80% of full load. • Adjustability: Output user adjustable +/-5% minimum. • Input Fusing Protection: One T6A/250V fuse inserted in primary. • Over Voltage Protection: Unit latching down when output exceed • 130% and recycle AC input to reset. • Over-Power Protection: Fold back mode 110-140%; Auto-recover • Short Circuit Protection: Trip without damage and auto-recovery. • Over-Temperature Protection: Unit protected of excessive • operating ambient 85 ഒ, and automatic recovery. • Operating Temperature: O to 70ഒ ambient, de-rating at 2.5% per • degree from 50ഒ to 70ഒ. • Operating Humidity: 5% to 90% RH, Non-condensing. • Storage Humidity: 5% to 95% RH, Non-condensing. • Storage Temperature: -20 to 85 ഒ. • Vibration: 5 ~ 50 Hz, acceleration 7.35 m/s*s on X,Y and Z Axis. • Remote On-Off: Designated as RMSW on the CN1, requires a low signal to inhibit output. Hiccough mo
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