TABLE 1: ELECTRICAL SPECIFICATIONS AT 25 OC FIGURE 1: SCHEMATIC DIAGRAM SWITCHING TRANSFORMER DESIGNED FOR USE WITH POWER INTEGRATIONS PWR-TOP221YAI. REFER TO APPLICATION CIRCUIT OF FIGURE 3. PARAMETER PRIMARY INDUCTANCE (2-1) VOLTAGE = 0.250Vrms FREQUENCY = 10 KHZ SPEC LIMITS MIN. TYP. MAX. UNITS 5180 6340 µHY 5760 WHITE DOT DENOTES PIN #1 (HOT RAIL) 1 8 (+6V) PRIMARY SECONDARY #1 (DRAIN) 2 TURN RATIO'S: SEC #1 (8-7) : PRIMARY (2-1) SEC #2 (6-5) : PRIMARY (2-1) BIAS (3-4) : PRIMARY (2-1) PRI LEAKAGE IND. (SEC'S SHORT) 0.250Vrms @ 100KHz HIPOT: PRIMARY & BIAS TO SECONDARY'S APP CIRCUIT PARAMETERS: (1) AC LINE VOLTAGE 47/400 Hz SEC #1 OUTPUT VOLTAGE SEC #1 OUTPUT mA CONTINUOUS SEC #2 OUTPUT VOLTAGE SEC #2 OUTPUT mA CONTINUOUS ---------------------- 1: 17.14 1: 4.44 1: 17.14 ---------------------- + 4% + 4% + 4% -------- 30.0 40.0 µHY 7 (6V RETURN) (+BIAS) 3 6 (+25V) BIAS SECONDARY #2 (HOT RETURN) 4 5 (25V RETURN) 3000 -------- -------- Vrms 85 -------6.0 -------25.0 -------- 265 Vac Vdc mA Vdc mA 20 10 275 90 NOTE1: REINFORCED INSULATION SYSTEM, UL1950, IEC950, CSA-950: A) ALL MATERIALS MEET "UL", "CSA" & "IEC" REQUIREMENTS B) TRIPLE BASIC INSULATED SECONDARY. C) DESIGNED TO MEET >6.2mm CREEPAGE REQUIREMENTS. D) VARNISH FINISHED ASSEMBLY. E) UL1950 & CSA-950 CERTIFIED: FILE #E162344. F) UL CLASS (B) 130 INSULATION SYSTEM PM130-H1A (UL FILE #E177139) OR ANY UL AUTHORIZED CLASS (B) INSULATION SYSTEM. (1) REFER TO APPLICATION CIRCUIT OF FIGURE 3. FIGURE 2: PHYSICAL DIMENSIONS mm (INCHES) 8 7 6 5 NOTE2: A) BOTTOM HALF OF CORE IS CUFF WRAPPED PRIOR TO ASSEMBLY. THIS GAURANTEES 6.2mm CREEPAGE PIN-CORE-PIN P TSD-1046 M YYWW PIN #1 WHITE DOT 1 2 3 4 23.00 (.906) MAX CORE TAPED .157 (4.0) MIN 18.00 (.709) MAX MYLAR TAPE 7mm WIDE UL INSULATION SYMBOL AND MANUFACTURER IDENTIFICATION HERE 21.00 (.827) MAX 1 2 3 0.8 DIA. (.032) 4 5.00 (.197) CUFF WRAP BOTTOM HALF OF CORE 4.0 (.157) MIN 12.50 (.492) BOTTOM HALF OF CORE IS CUFF WRAPPED WITH MYLAR TO GUARANTEE 6.2mm PIN-CORE-PIN CREEPAGE REV. 07/03/97 05/27/99 DESCRIPTION OF CHANGES ORIGINAL RELEASE UPDATED TO UL CLASS (B) 130 INSULATION SYSTEM EI22/19/6, 8-PIN VERTICAL BOBBIN P Premier M Magnetics Inc. "INNOVATORS IN MAGNETICS TECHNOLOGY" UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN MM DIMENSIONAL TOLERANCES ARE: DECIMALS ANGLES .X + .25 +0 O 30' .XX + .15 DO NOT SCALE DRAWING FLYBACK TRANSFORMER CONTROL DRAWING PREMIER P/N: TSD-1046 REVISION: 05/27/99 DRAWN BY: TOM O'NEIL REF: TOP221 SCALE: NONE SHEET: 1 OF 4 BY TO MD APPLICATION NOTES Premier Magnetic's TSD-1046 Switch Mode Transformer was designed for use with Power Integrations, Inc. PWRTOP221 three terminal off-line PWM switching regulator in the Flyback Buck-Boost circuit configuration. This conversion topology can provide isolated multiple outputs with efficiencies up to 90%. Premier's TSD-1046 transformer has been optimized to provide maximum power throughput. The TOPXXX series from Power Integrations, Inc. are self contained 100KHz three terminal voltage controlled PWM switching regulators. This series contains all necessary functions for an off-line switched mode control DC power source. These switching regulators provide a very simple solution to off-line designs. The inductors and transformer used with the TOPXXX are critical to the performance of the circuit. They define the overall efficiency, output power and overall physical size. Below is a universal input Dual Output 4 watt application circuit utilizing Power Integrations TOP221 switching regulator in the flyback buck-boost configuration. The component values listed are intended for reference purposes only. FIGURE 3: TYPICAL APPLICATION CIRCUIT F1 1.5A 250v BR1 DF06S 600V, 1.0A EMI FILTER LINE 1 L1 PMCU-0220 22mHY ~ 2 + HOT RAIL +110 to 375Vdc C1, 22.0 uF, 400V Low Profile Type: Nichicon # UVS2G220MRA, 85C Nichicon # URT2G220MRA, 105C Diameter=18mm (.708) Length=20mm (.787) C1 22 uF 400V + 85-265Vac 50/60Hz C6 0.1uF 4 NEUT 3 ~ - C6 = 0.1uF 250Vac X2-Saftey Cap CLAMP NETWORK 1 VR1 P6KE120A + PRI D1 MUR160 7 D2 1N4148 3 DRAIN 6 C4 + 220uF 35V D C N/C N/C N/C N/C S 4 S SOURCE SEC 5 CONTROL + C5 47uF 10V C3 + 100uF 10V C2 330uF 10V RTN D4 UF4002 BIAS U1 POWER INT. PWR-TOP221PFI +6Vdc @ 250mA SEC 2 R1 15 L2 VTP-00301 3.3uH @ 1.0A D3 1N5822 T1 TSD-1046 8 PREMIER MAGNETICS PART NUMBERS: (REQUEST DATA SHEETS BY PART#) L1 = PMCU-0220 22mHy EMI/RFI CMC T1 = TSD-1046 MAIN SWITCHING TRANSFORMER L2,L3 = VTP-00301 3uHy, 1.0Amp INDUCTOR L2 VTP-00301 3.3uH @ 1.0A +25Vdc @ 80mA C5 47uF 35V + RTN C7 & C8 = 250Vac Y-SAFTEY CAPACITORS EMI FILTER C7 2.2nF C8 2.2nF HIGH VOLTAGE RETURN P Premier M Magnetics Inc. "INNOVATORS IN MAGNETICS TECHNOLOGY" UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN MM DIMENSIONAL TOLERANCES ARE: DECIMALS ANGLES .X + .25 +0 O 30' .XX + .15 DO NOT SCALE DRAWING FLYBACK TRANSFORMER CONTROL DRAWING PREMIER P/N: TSD-1046 REVISION: 05/27/99 DRAWN BY: TOM O'NEIL REF: TOP221 SCALE: NONE SHEET: 2 OF 4