TABLE 1: ELECTRICAL SPECIFICATIONS AT 25 OC FIGURE 1: SCHEMATIC DIAGRAM SWITCHING TRANSFORMER DESIGNED FOR USE WITH POWER INTEGRATIONS PWR-TOP210PFI OR TOP221P REFER TO APPLICATION CIRCUITS OF FIGURE 4. PARAMETER MIN. PRIMARY INDUCTANCE (4-2) VOLTAGE = 0.250Vrms FREQUENCY = 100 KHZ 1.80 TURN RATIO'S: AUXILIARY (7-6) : PRIMARY (4-2) PRI LEAKAGE IND. (7-6 SHORTED) VOLTAGE = 0.250Vrms FREQUENCY = 100 KHZ HIPOT: 1.5kV IMPULSE (1.2/50µS) PRIMARY TO AUXILIARY SPEC LIMITS TYP. MAX. 2.00 2.20 UNITS DOT ON BOBBIN DENOTES PIN #1 mHY 2 -------- 1:4.51 -------- + 4% -------- -------- 80.0 µHY 7 PRIMARY AUXILIARY 6 4 1500 -------- -------- Vrms FIGURE 4A CIRCUIT PARAMETERS:(1) DC HOT RAIL VOLTAGE 80 AUX OUTPUT VOLTAGE AUX OUTPUT CURRENT CONTINUOUS 0.0 AUX OUTPUT CURRENT PEAK -------LINE REGULATION -------LOAD REGULATION 10-100% -------RIPPLE -------- -------17.0 --------------1.50 0.50 50.0 500 Vdc Vdc mA mA +% +% +mV 200 220 ---------------------- NOTE1: REINFORCED INSULATION SYSTEM, UL1950, IEC950, CSA-950: A) ALL MATERIALS MEET "UL", "CSA" & "IEC" REQUIREMENTS B) VARNISH FINISHED ASSEMBLY. C) UL CLASS (B) 130 INSULATION SYSTEM PM130-R1, PM130-H1, PM130-H1A (UL FILE #E177139) OR ANY UL AUTHORIZED CLASS (B) INSULATION SYSTEM. (1) REFER TO APPLICATION CIRCUIT OF FIGURE 4. FIGURE 2: PHYSICAL DIMENSIONS INCHES (mm) PIN #1 WHITE DOT 2 3 .010 (0.25) 7 6 .100 (2.54) 1 8 4 5 .098 (2.50) UL INSULATION SYMBOL AND MANUFACTURER IDENTIFICATION HERE .480 (12.19) MIN .600 (15.24) MAX 4 .52 (13.2) 8 .050 (1.27) .440 (11.18) MAX .098 (2.50) 1 .600 (15.24) CORE TAPED P TSD-1035 M YYWW .028 (0.70) FIGURE 3: RECOMMENDED PCB LAYOUT DIMENSIONS IN INCHES (mm) .440 (11.18) MAX .480 (12.19) MAX .600 (15.24) MAX REV. 07/12/97 09/22/97 10/20/97 11/10/97 08/09/99 5 DESCRIPTION OF CHANGES INITIAL RELEASE CHANGED VR1 TO 110V TO MEET 150V MAX CLAMP VOLTAGE CHANGED PRIMARY PIN-OUT FROM 4-1 TO 4-2 UPDATED HI-POT SPEC., NO CONSTRUCTION CHANGES NEEDED UPDATED TO UL CLASS (B) 130 INSULATION SYSTEM EP10, 8-PIN SMD P Premier M Magnetics Inc. UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES DIMENSIONAL TOLERANCES ARE: DECIMALS ANGLES .XX + .20 +0 O 30' .XXX + .10 DO NOT SCALE DRAWING TRANSFORMER CONTROL DRAWING PREMIER P/N: TSD-1035 REVISION: 08/09/99 DRAWN BY: TOM O'NEIL REF: TOP210/221 SCALE: NONE SHEET: 1 OF 4 BY TO TO TO TO MD APPLICATION NOTES Premier Magnetics' TSD-1035 Switch Mode Transformer was designed for use with Power Integrations, Inc. PWRTOP210PFI OR TOP221 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%. Premiers' TSD-1035 transformer has been optimized to provide maximum power throughput. The PWR-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 PWR-TOPXXX are critical to the performance of the circuit. They define the overall efficiency, output power and overall physical size. Below is a 3.4 watt application circuit utilizing Power Integrations PWR-TOP210 OR 221 switching regulator in the NON-ISOLATED flyback buck-boost configuration. This circuit provides +17Vdc at 200mA continuous and is capable of >225mA peak for short periods of time. This circuit represents the lowest cost implementation and utilizes the secondary winding for direct feedback control. The component values listed are intended for reference purposes only. FIGURE 4: TYPICAL APPLICATION CIRCUIT PREMIER MAGNETICS PART NUMBERS: T1 = TSD-1035 MAIN SWITCHING TRANSFORMER ALUMINUM ELECTROLYTIC FILTER CAPACITOR RATINGS: C3, C4: > 25V, Ripple Rated > 205mA @ 100KHz @ Max. Op. Temp. (Panasonic P/N ECA1VFG470, 35V, 105C) D3 GI US1D T1 TSD-1035 MOT MURS120T3 80 to 500VDC >> CLAMP NETWORK D1 GI US1J MOT MURS160T3 C1 + 10uF 400V DRAIN U1 POWER INT. TOP221 or TOP210 D C N/C N/C N/C N/C S C3 47uF 35V PRI 4 +17Vdc @ 200mA 7 2 VR1 P6SMB110AT3 L1 5uH BEAD + AUX 6 VR2 10V D2 MMBZ5240BLT1 BAS16W C4 47uF 35V + RTN CONTROL S SOURCE + C2 47uF 10V >> HIGH VOLTAGE DC RETURN P Premier M Magnetics Inc. UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES DIMENSIONAL TOLERANCES ARE: DECIMALS ANGLES .XX + .20 +0 O 30' .XXX + .10 DO NOT SCALE DRAWING TRANSFORMER CONTROL DRAWING PREMIER P/N: TSD-1035 REVISION: 08/09/99 DRAWN BY: TOM O'NEIL REF: TOP210/221 SCALE: NONE SHEET: 2 OF 4