NET1 SERIES
MULTIPLE OUTPUT MODEL SELECTION CHART –
240W WITH 300 LFM FORCED AIR COOLING
MODEL
OUTPUT ADJUSTMENT OUTPUT LINE LOAD RIPPLE & NOISE INITIAL SETTING
VOLTAGE RANGE CURRENT (NOTE 1) REGULATION REGULATION %Pk-Pk (NOTE 2) ACCURACY
+3.3V +0.5V 50A 0.2% 1% 1% or 50mV ± 30mV
NET1-4325
+2.5V +0.5V 50A 0.2% 1% 1% or 50mV ± 30mV
+5V FIXED 5A 0.2% 3% 1% or 50mV ± 30mV
+12V FIXED 4A 0.2% 3% 1% or 50mV ± 100mV
+1.8V +0.5V 50A 0.2% 1% 1% or 50mV ± 20mV
NET1-4130
+3.3V +0.5V 50A 0.2% 1% 1% or 50mV ± 30mV
+5V FIXED 5A 0.2% 3% 1% or 50mV ± 30mV
+12V FIXED 4A 0.2% 3% 1% or 50mV ± 100mV
+1.8V +0.5V 50A 0.2% 1% 1% or 50mV ± 20mV
NET1-4112
+1.65V +0.5V 50A 0.2% 1% 1% or 50mV ± 30mV
+5V FIXED 5A 0.2% 3% 1% or 50mV ± 30mV
+12V FIXED 4A 0.2% 3% 1% or 50mV ± 100mV
NOTES: 1) Output currents ratings are expressed with 300 LFM forced air.
2) Maximum peak-to-peak noise expressed as a percentage of output voltage, 20 MHz bandwidth.
INPUT SPECIFICATIONS
PARAMETER CONDITIONS/DESCRIPTION MIN TYP MAX UNITS
Input Voltage - AC Continuous input range. 85 264 VAC
Input Frequency AC input. 47 63 Hz
Hold-up T
ime After last AC line peak at 240 watts. 20 mS
Input Current 85 VAC at full rated load. 4.0 ARMS
Input Protection Non-user serviceable internally located AC input line fuse.
Inrush Surge Current Internally limited by thermistor. Vin = 220 VAC, one cycle, 25°C. 35 APK
Power Factor Per EN61000-3-2. 0.95 W/VA
FEATURES
• Currents Over 100 Amps
• Fits 1U Chassis Height Constraints
• No Minimum Load Requirement
• Current Share Capabilities on All Outputs
• Patented High-Efficiency Design
• Meets European Power Factor Requirements for 2001
• Excellent Load Transient Response
Designed to meet the stringent requirements of today’s high-speed
datacom and telecom circuitry, Power-One’s NET1 series is an excellent
compact power solution for low-voltage, high-current applications. The
NET1’s high efficiency is achieved through the use of synchronous
rectification and a newly-patented “Soft Transition Forward Converter”.
The NET1’s rectification method lowers output losses, reduces system
cooling requirements (allowing greater power in a smaller package), and
eliminates minimum load requirements.
Advanced surface-mount design and packing technology reduce the
NET1’s height to 1.35” (34.3mm) to fit in 1U applications. NET1’s
high-performance active power factor circuitry meets EN61000-3-2
requirements for compliance with European Power Line Harmonic
Requirements for 2001. A multifunctional output terminal allows
connection to #8 ring lugs, 0.25” quick disconnects, cable connectors,
and PCB-mounted connectors.
1
Advanced Product
Release
Rev. 11/2000
NET1 SERIES
OUTPUT SPECIFICATIONS
PARAMETER CONDITIONS/DESCRIPTION MIN TYP MAX UNITS
Efficiency Full Rated Load, 110 VAC. Varies with distribution of loads among outputs. 80 %
Ripple and Noise Full load, 20 MHz bandwidth. See Model Selection Charts
Output Power With 300 LFM forced air cooling. (Note 1) 240 Watts
Overshoot / Undershoot Output voltage overshoot/undershoot at turn-on. 0 %
Regulation Varies by output. Total regulation includes: line changes over the specified.
See Model Selection Charts
input range, changes in load starting at 20% load and changing to 100% load.
Transient Response Recovery time, to within 1% of initial set point due to a 10-100% load change,
500 µS
1% max. deviation.
Turn-on Delay Time required for initial output voltage stabilization. 2 Sec
Turn-on Rise Time Time required for output voltage to rise from 10% to 90%. 20 mS
INTERFACE SIGNALS AND INTERNAL PROTECTION
PARAMETER CONDITIONS/DESCRIPTION MIN TYP MAX UNITS
Overvoltage Protection Overvoltage protection on all outputs. Maximum + 0.5V
Unit latches off when overvoltage is detected.
AC input must be recycled to reset.
Overload Protection Fully protected against output overload and short circuit. Automatic recovery upon removal of overload condition.
Overtemperature Protection System shutdown due to excessive internal temperature, automatic reset.
Output Good Open collector global Output Good signal. The signal activates when any of the outputs drop below 5%.
Input Power Fail Warning Open collector signal. Time before regulation dropout due to loss of input
5mS
power. May be used as independent PSOK signal in redundant applications.
Current Share Available on all outputs. Accuracy of shared current with up to 6 parallel units. 10 %
Single wire current share.
Remote Sense Available on all outputs. Total voltage compensation for cable losses with
500 mV
respect to the main output.
SAFETY, REGULATORY, AND EMI SPECIFICATIONS
PARAMETER CONDITIONS/DESCRIPTION MIN TYP MAX UNITS
Agency Approvals UL1950.
CSA 22.2 NO. 234/950. Approved
EN60950 (TÜV).
Dielectric Withstand Voltage Input to output per EN60950. 2600 VDC
Electromagnetic Interference FCC CFR title 47 Part 15 Sub-Part B - Conducted. B
Class
EN55022 / CISPR 22 Conducted. B
ESD Susceptibility Per EN61000-4-2, level 4. 8 kV
Radiated Susceptibility Per EN61000-4-3, level 3. 10 V/M
EFT/Burst Per EN61000-4-4, level 3. ±2 kV
Input Transient Protection Per EN61000-4-5, class 3. Line to Line 1
kV
Line to Ground 2
Insulation Resistance Input to output. 10 M
Advanced Product
Release
2
NUCLEAR AND MEDICAL APPLICATIONS Power-One products are not authorized for use as critical components in life support systems,
equipment used in hazardous environments, or nuclear control systems without the express written consent of the President of Power-One, Inc.
TECHNICAL REVISIONS The appearance of products, including safety agency certifications pictured on labels, may change depending on the
date manufactured. Specifications are subject to change without notice.
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