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| www..com YF SERIES UP TO 20 WATTS - YF SERIES ULTRA-WIDE INPUT, LOW QUIESCENT CURRENT TO 20 WATTS FEATURES * * * * * * * * Single, Dual and Triple Outputs Industry Standard Package and Pin-Out Pi Input Filter Integral to Converter 1600VDC I/O Isolation Regulated Output Continuous short circuit protection Remote On/Off Feature UL1950, cUL950, EN60950 and CE MARK THE YF SERIES FROM WALL INDUSTRIES The YF series of DC/DC converters performs over an ultra-wide input voltage range (2:1 & 4:1), providing indefinite short circuit and overvoltage protection. The series' design technology allows up to 20 watts of output power from a 1.60" x 2.0" x 0.40" case. These current mode control forward converters are designed for improved transient response and reduced stress on switching components and do not require external input filtering, making it a preferred source over industry alternatives. SPECIFICATIONS: YF SERIES INPUT SPECIFICATIONS Input Voltages .....9-18,18-36,36-75,9-36,20-75,18-75VDC Nominal Input..............................................12, 24, 48VDC Remote On/Off Control ............CMOS or TTL (see note 7) Input Filter.......................................................Pi input filter All specifications apply @ +25 C ambient unless otherwise noted. GENERAL SPECIFICATIONS Efficiency ..........................................................83% typical Isolation Voltage (input to output) ...............1600VDC min. Isolation Resistance (input to output)..................109Ohms Switching Frequency ...................................300kHz typical MTBF ........................................MIL217F 5.591x105 hours OUTPUT SPECIFICATIONS Output Current .....................................................see table Output Voltage Tolerance ............................................2% (auxillary triple outputs) ............................................5% Output Trim (external)................................................10% Line Regulation: full line (single and dual) ...............0.5% (triple)...........main: 1%, aux.: 5% Line Regulation: 20 Watt 4:1 Input............................1% Load Regulation Singles (25-100% load).......................................0.5% (NL-100% load) .........................................1% Duals (50-100% load)..........................................1% (NL-100% load) .........................................5% Short Circuit Protection .....................................continuous Ripple/Noise (20MHz BW) (single) ..................75mV p-p (dual) ...................100mV p-p (triple) ...5V/3.3V = 50mV p-p ................12V = 120mV p-p ................15V = 150mV p-p Transient Response .............<500sec to within 1% Vout ENVIRONMENTAL SPECIFICATIONS Operating Temperature (case) ........................(see note 9) Storage Temperature....................................-55 to +105C Humidity (non-condensing).........................5% - 95% R.H. PHYSICAL SPECIFICATIONS Weight.........................................................approx. 4.0 oz. Dimensions ...............................................1.6 x 2.0 x 0.40" Case Material ...................................Nickel coated copper, non-conductive baseplate Shielding ..............................................................Six-sided Due to advances in technology, specifications subject to change without notice. 8/9/2005 1 DataSheet 4 U .com 603 778 2300 WWW.WALLINDUSTRIES.COM www..com TO 20 WATTS Input Voltage (VDC) 9-18 YF SERIES Model Number Input Voltage (VDC) 9-18 Output Voltage (VDC) 3.3 5 12 15 12 15 Output Over Current Voltage (Amps) (VDC) 4.0 4.0 1.67 1.33 0.83 0.66 4.0 4.0 1.67 1.33 0.83 0.66 4.0 4.0 1.67 1.33 3.0 1.25 1.0 1.50 0.83 0.66 3.0 1.25 1.0 1.50 4.0 4.0 1.66 1.33 0.83 0.66 4.0 4.0 1.66 1.33 0.83 0.66 3.9 6.2 15 18 15 18 3.9 6.2 15 18 15 18 3.9 6.2 15 18 6.2 15 18 6.2 15 18 6.2 15 18 6.2 3.9 6.2 15 18 15 18 3.9 6.2 15 18 15 18 Output Voltage (VDC) 3.3/12 3.3/15 5/12 5/15 Output Over Current Voltage (Amps) Protection 3/.300 3/.250 2/.300 2/.250 3/.300 3/.250 2/.300 2/.250 3/.300 3/.250 2/.300 2/.250 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% Model Number YF12S33-4000 YF12S5-4000 YF12S12-1600 YF12S15-1330 YF12D12-830 YF12D15-660 YF24S33-4000 YF24S5-4000 YF24S12-1600 YF24S15-1330 YF24D12-830 YF24D15-660 YF48S33-4000 YF48S5-4000 YF48S12-1600 YF48S15-1330 YFW24S5-3000 YFW24S12-1250 YFW24S15-1000 YFW24D5-1500 YFW24D12-830 YFW24D15-660 YFW48S5-3000 YFW48S12-1250 YFW48S15-1000 YFW48D5-1500 YFW24S3.3-4000 YFW24S5-4000 YFW24S12-1600 YFW24S15-1330 YFW24D12-830 YFW24D15-660 YFW48S3.3-4000 YFW48S5-4000 YFW48S12-1600 YFW48S15-1300 YFW48D12-830 YFW48D15-660 YF12T3.312-17 YF12T3.315-17 YF12T512-17 YF12T515-17 YF24T3.312-17 YF24T3.315-17 YF24T512-17 YF24T515-17 YF48T3.312-17 YF48T3.315-17 YF48T512-17 YF48T515-17 18-36 3.3/12 3.3/15 5/12 5/15 18-36 3.3 5 12 15 12 15 36-75 3.3/12 3.3/15 5/12 5/15 36-75 3.3 5 12 15 9-36 5 12 15 5 12 15 20-75 5 12 15 5 9-36 3.3 5 12 15 12 15 PIN CONNECTIONS Single 1 2 3 4 5 6 7 +Vin -Vin Remote No Pin +Vout -Vout Trim Dual +Vin -Vin Remote +Vout Triple +Vin -Vin Remote + Aux. Out 18-75 3.3 5 12 15 12 15 Output Common +5V/+3.3V -Vout Trim Common - Aux. Out 8/9/2005 WWW.WALLINDUSTRIES.COM DataSheet 4 U .com 603 778 2300 2 www..com YF SERIES TO 20 WATTS NOTES: 1. All case and pin to case dimensions reference only unless otherwise noted. 2. All DC/DC converters should be externally fused on the front end for protection. 3. P.C. pins - 0.04" dia. x 0.18" long (min); typical seven places. 4. Pin to pin tolerance 0.01". Pin diameter tolerance 0.005". 5. Duals: 1/4 load to full load: 1%, no load to full load: 5%. 6. Significant capacitive load on output may inhibit start-up and operation, consult factory. 7. On-Control: 5.5V min. or Open. Off-Control: 0.4V max. or short. Control voltage referenced to -VIn. 8. Input pi-filter without external capacitor filter. 9. Standard operating temperature -40C to +85C, derating is specific to model type, consult factory for further information. 10. Maximum case temperature is 100C. 8/9/2005 3 DataSheet 4 U .com 603 778 2300 WWW.WALLINDUSTRIES.COM |
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