TABLE 1: ELECTRICAL SPECIFICATIONS AT 25 OC FIGURE 1: SCHEMATIC DIAGRAM SWITCHING TRANSFORMER DESIGNED FOR USE WITH TOP 246 PARAMETER PRIMARY INDUCTANCE (3-1) 0.250Vrms @ 100 KHZ SPEC LIMITS MIN. TYP. MAX. UNITS 495 605 µHY 550 WHITE DOT DENOTES PIN #1 1 12 (+48V) PRIMARY 2 TURN RATIO'S: SEC. (12-7) : PRIMARY (3-1) BIAS (6-5) : PRIMARY (3-1) --------------- 1:3.82 1:10.5 --------------- + 3% + 3% PRI-LEAKAGE-IND (SEC'S SHORTED) -------- -------- 10.0 µHY 3 5 7 BIAS HI-POT: SECONDARY TO PRIMARY SECONDARY TO BIAS BIAS TO PRIMARY APP CIRCUIT PARAMETERS: Fsw AC INPUT SECONDARY IS REGULATED: OUTPUT VOLTAGE OUTPUT CURRENT CONTINUOUS BIAS OUTPUT VOLTAGE BIAS OUTPUT CURRENT 4000 4000 1500 ---------------------- ---------------------- Vrms Vrms Vrms -------200 132 240 -------265 KHz Vdc ----------------------------- 48.0 2.0 15 -------- ---------------------50 Vdc Amps Vdc mA SECONDARY 6 NOTE1: REINFORCED INSULATION SYSTEM (UL1950, IEC950): A) ALL MATERIALS MEET "UL", "CSA" & "IEC" REQUIREMENTS B) 130OC REINFORCED INSULATION SYSTEM. C)TRIPLE BASIC INSULATED SECONDARY. D) DESIGNED FOR >6.2mm CREEPAGE/CLEARANCE. E) VARNISH FINISHED ASSEMBLY. FIGURE 2: PHYSICAL DIMENSIONS mm (INCHES) 12 11 10 9 8 7 P TSD-1739 M YYWW PIN #1 WHITE DOT 1 2 3 4 5 6 34.30 (1.350) MAX CORE TAPED 29.00 (1.142) MAX 32.00 (1.260) MAX 1 2 3 5.00 (.197) 4 5 25.00 (.984) 0.8 DIA. (.032) 6 4.0 (.157) MIN UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN MM DIMENSIONAL TOLERANCES ARE: DECIMALS ANGLES .X + .25 +0 O 30' .XX + .15 DO NOT SCALE DRAWING 22.5 (.886) REV. 02/07/02 03/11/02 DESCRIPTION OF CHANGES ORIGINAL RELEASE UPDATED RELEASE TRANSFORMER CONTROL DRAWING PREMIER P/N: TSD-1739 REVISION: 03/11/02 DRAWN BY: LINH LE REF: TOP 246 SCALE: NONE SHEET: 1 OF 3 BY LL LL