TABLE 1: ELECTRICAL SPECIFICATIONS AT 25 OC FIGURE 1: SCHEMATIC DIAGRAM SWITCHING TRANSFORMER DESIGNED FOR USE WITH POWER INTEGRATIONS TNY-266. SPEC LIMITS MIN. TYP. MAX. PARAMETER PRIMARY INDUCTANCE (1-4) FREQ. = 100 KHZ @ 0.250Vrms TURN RATIO'S: SECONDARY (5-10) : PRIMARY (1-4) PRI LEAKAGE IND. (10-5 SHORTED) FREQ. = 100 KHZ @ 0.250Vrms HIPOT: PRIMARY TO SECONDARY APP CIRCUIT PARAMETERS: (1) DC HOT RAIL VOLTAGE OUTPUT VOLTAGE OUTPUT CURRENT CONTINUOUS LINE REGULATION (85 TO 265Vac) LOAD REGULATION 10-100% RIPPLE UNITS 1150 µHY -------- 1: 7.17 -------- + 4% -------- 100.0 µHY 1000 1075 -------- 3000 -------- -------- Vrms 312 -------24 -------0.50 0.30 75.0 381 Vdc Vdc mA +% +% +mV 10 ---------------------- DOT ON BOBBIN DENOTES PIN #1 210 ---------------------- (HOT RAIL) 1 PRIMARY 110 to 390Vdc 10 (+24V) SECONDARY 24V @400mA (DRAIN) 4 5 (24V RETURN) NOTE1: A) ALL MATERIALS MEET "UL", "CSA" & "IEC" REQUIREMENTS B) ALL MATERIAL RATE 130C OR BETTER. C) VARNISH FINISHED ASSEMBLY. FIGURE 2: PHYSICAL DIMENSIONS mm (INCHES) 10 9 8 7 6 5 PBIAS PNY-24002 M YYWW PIN #1 W H ITE DO T 1 2 3 4 18.2 (.716) MAX 16.5 (.650) MAX 18.0 (.709) M AX 6.0 (.236) TYP 4.5 (.177) TYP 3.5 (.138) 1 10 9 3 8 2.7 (.106) 7 13.5 (.531) P M 12.5 (.492) 10.5 (.413) 2 0.6 DIA . (.024) 4 6 REV. 10/02/02 03/24/05 5 DESCRIPTION OF CHANGES ORIGINAL RELEASE UPDATED LEAKAGE INDUCTANCE TO 100uH RoHS 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: PNY-24002 REVISION: 03/24/05 DRAWN BY: PETER PHAM REF: TNY-266 SCALE: NONE SHEET: 1 OF 2 BY PP LL APPLICATION NOTES Premier Magnetics' PNY-24004 Switch Mode Transformer was designed for use with Power Integrations, Inc. TNY255 off-line burst mode regulator in the Flyback Buck-Boost circuit configuration. This conversion topology will provide an isolated output with efficiencies up to 90%. Premiers' PNY-XXXX series transformers has been optimized to provide maximum power throughput. The TNYXXX series from Power Integrations, Inc. are self contained 40 or 130KHz burst mode switching regulators. This series contains all necessary functions for an off-line switched mode control DC power source. These burst mode switching regulators provide a very simple solution to off-line low power (<10W) designs. The inductors and transformer used with the TNYXXX are critical to the performance of the circuit. They define the overall efficiency, output power and overall physical size. Below is a universal input high precision 9.6 watt application circuit utilizing Power Integrations TNY255 switching regulator in the flyback buck-boost configuration. Proper thermal managment of the TNY255 & D5 is required for reliable operation. The TNY255 should be mounted on > 0.75 in2, 2oz copper clad to provide a proper heat sink starting point for evaluation. The component values listed are intended for reference purposes only. Careful evaluation by the end user is required and should be based on the actual application & it's associated environmental conditions. FIGURE 3: TYPICAL APPLICATION CIRCUIT ALUMINUM ELECTROLYTIC FILTER CAPACITOR RATINGS: C1 : > 400V, Ripple Rated > 125mA @ 120Hz @ Max. Operating Temp. (Nichicon P/N URT2G330MRA, 105C) C2 : > 35V, Ripple Rated > 480mA @ 100KHz @ Max. Op. Temp. (Panasonic P/N ECA1VFG331, 105C) C3 : > 35V, (Panasonic P/N ECA1AFG221, 105C) PREMIER MAGNETICS PART NUMBERS: (REQUEST DATA SHEETS BY PART#) L1 = PMCU-5220 22mHy MinatureEMI/RFI CMC T1 = PNY-24004 MAIN SWITCHING TRANSFORMER L2 = VTP-01001 10uHy, 1.0Amp INDUCTOR F1 1A 250v LINE 1 MOV NEUT L1 PMCU-5220 22mHY ~ 2 + C5 33 uF 400V C4 0.1uF 4 HOT RAIL +110 to 375Vdc 3 ~ C1, 33.0 uF, 400V Low Profile Type: Nichicon # UVS2G330MRA, 85C Nichicon # URT2G330MRA, 105C Diameter=18mm (.708) Length=25mm (.984) + 85-265Vac 50/60Hz BR1 DF06M 600V, 1A EMI FILTER - C4 = 0.1uF 250Vac X2-Saftey Cap T1 PNY-24004 CLAMP NETWORK 1 C2 + SEC 1500uF 35V PRI 4 D E S S S S SOURCE HIGH VOLTAGE RETURN P M C3 220uF 35V RTN 4 C U3 LTV817 1 R1 68 A ENABLE C E 2 3 B S + 5 U1 POWER INT. TNY-255 PROPERLY SIZED HEAT SINK DRAIN +24Vdc @ 400mA 10 VR2 P6KE200A D2 MUR160 (BYV26C) L2 VTP-01001 10uH @ 1.0A D1 MURD310 C1 0.1uF 1KV UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN MM DIMENSIONAL TOLERANCES ARE: DECIMALS ANGLES .X + .25 +0 O 30' .XX + .15 DO NOT SCALE DRAWING VR1 23.3V FLYBACK TRANSFORMER CONTROL DRAWING PREMIER P/N: PNY-24002 REVISION: 03/24/05 DRAWN BY: PETER PHAM REF: TNY-266 SCALE: NONE SHEET: 2 OF 2