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YFW15 Datasheet, PDF (1/3 Pages) Wall Industries,Inc. – 15 Watt DC/DC Converter
Rev B
YFW15 Ultra Wide Series
Single and Dual Output
15 Watt DC/DC Converter
4:1 Wide Input Voltage Range
FEATURES
● UL60950-1 Licensed
● 15 Watts Output Power
● Output Current up to 3A
● High Efficiency up to 82%
● Fixed Switching Frequency
● Six-Sided Continuous Shielding
● 4:1 Ultra Wide Input Voltage Range
● Standard 2.0 x 1.6 x 0.4 Inch Package
● ISO9001 Certified Manufacturing Facilities
● Compliant to RoHS EU Directive 2002/95/EC
APPLICATIONS
● Measurement
● Wireless Network
● Telecom/Datacom
● Industry Control System
● Semiconductor Equipment
SPECIFICATIONS: YFW15 Ultra Wide Series
All specifications apply @ 25°C ambient unless otherwise noted
INPUT SPECIFICATIONS
Input Voltage Range ............ 24V nominal input ...........................9-36VDC
48V nominal input ........................ 18-75VDC
Input Filter ....................................................................................... Pi Type
Input Surge Voltage (100ms max) ....... 24V input ...........................50VDC
48V input .........................100VDC
Input Reflected Ripple Current (nominal Vin and full load) ...........20mAp-p
Start Up Time (nominal Vin and constant resistive load) .............20ms typ.
Remote ON/OFF (Note 7)
(Positive Logic)............... DC-DC ON .............Open or 3.5V < Vr < 12V
DC-DC OFF .............Short or 0V < Vr < 1.2V
Input Current of Remote Control Pin (nominal Vin) ........ -0.5mA ~ +0.5mA
Remote Off Input Current (nominal Vin) ............................................20mA
OUTPUT SPECIFICATIONS
Output Voltage ..............................................................................see table
Voltage Accuracy (nominal Vin and full load) ...................................... ±1%
Voltage Adjustability........................................................................... ±10%
Output Current ..............................................................................see table
Output Power ........................................................................ 15 watts max.
Line Regulation (LL to HL at FL)....................................................... ±0.2%
Load Regulation (min load to full load) ........ Single.......................... ±0.5%
Dual ............................... ±1%
Cross Regulation (Dual) (Asymmetrical load 25% / 100% FL) ............ ±5%
Minimum Load (Note 6) ................................................................see table
Ripple/Noise (20 MHz BW) .......................................................... 75mVp-p
Temperature Coefficient ................................................. ±0.02% / °C max.
Transient Response Recovery Time (25% load step) ...................... 250µs
GENERAL SPECIFICATIONS
Efficiency.......................................................................................see table
Switching Frequency................................................................270KHz typ.
Isolation Voltage (Input to Output) ....................................... 1600VDC min.
Isolation Resistance............................................................. 109 ohms min.
Isolation Capacitance............................................................... 300pF max.
PROTECTION SPECIFICATIONS
Over Voltage Protection .......................5V output................................. 6.2V
(zener diode clamp)
12V output................................ 15V
15V output................................ 18V
Over Load Protection (% of full load at nominal input) ............... 150% max.
Short Circuit Protection...................................... Hiccup, automatic recovery
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature ................................ -40°C ~ +85°C (with derating)
Storage Temperature .......................................................... -55°C ~ +105°C
Maximum Case Temperature ............................................................. 100°C
Relative Humidity...................................................................5% to 95% RH
Thermal Impedance (Note 8)
Natural Convection ............................................................. 10°C / Watt
Natural Convection with Heat-Sink.................................. 8.24°C / Watt
Thermal Shock ..................................................................... MIL-STD-810F
Vibration ................................10~55Hz, 10G, 30 minutes along X, Y, and Z
MTBF (Note 1)......................................................................2.041 X 106 hrs
PHYSICAL SPECIFICATIONS
Weight ..................................................................................... 48g (1.69 oz)
Dimensions....................... 2.0 x 1.6 x 0.40 inches (50.8 x 40.6 x 10.2 mm)
Case Material ..............................................................Nickel-coated copper
Base Material...................................................Non-conductive black plastic
Potting material..................................................................Epoxy (UL94-V0)
Shielding......................................................................................... six-sided
SAFETY & EMC
Safety Standard Pending.............................................................UL60950-1
EM ......................................EN55022 .............................................. Class A
ESD
....................EN61000-4-2 ...... ..
Air
Contact
± 8KV
± 6KV
............... Criteria B
Radiated Immunity..............EN61000-4-3............... 10V/m Perf. Criteria A
Fast Transient.....................EN61000-4-4................. ±2KV Perf. Criteria B
Surge (See Note 9).............EN61000-4-5................ .±1KV Perf. Criteria B
Conducted Immunity...........EN61000-4-6............ 10 Vrms Perf. Criteria A
Due to advances in technology, specifications subject to change without notice
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797