ELECTRICAL SPECIFICATIONS
AT 25 O C FIGURE 1: SCHEMATIC DIAGRAM SWITCHING TRANSFORMER DESIGNED FOR USE WITH POWER INTEGRATIONS PWR-TOP227Y. REFER TO APPLICATION CIRCUITS OF FIGURE 3. SPEC LIMITS TYP. 750 WHITE DOT DENOTES PIN #1 (HOT RAIL) 1 PRIMARY (DRAIN) 3 (+BIAS) 5 BIAS (HOT RETURN) 6 SECONDARY PINS #12 & 11, #8 & 7 MUST BE RESPECTIVELY CONNECTED TOGETHER FOR PROPER OPERATION. I.E. CONNECTED AS ONE PARALLEL WINDING. 7,8 (+30V RETURN) 11,12 (+30V) PARAMETER PRIMARY INDUCTANCE (3-1) VOLTAGE = 0.250Vrms FREQUENCY = 100 KHZ TURN RATIO'S: SEC (11,12-7,8) : PRIMARY (3-1) BIAS (5-6) : PRIMARY (3-1) PRI LEAKAGE IND. (SEC SHORTED) VOLTAGE = 0.250Vrms FREQUENCY = 100 KHZ HIPOT: 50/60Hz, 1 Minute Minimum PRIMARY TO SECONDARY BIAS TO SECONDARY FIGURE 3 CIRCUIT PARAMETERS: (1) AC LINE VOLTAGE 47/400 Hz OUTPUT VOLTAGE OUTPUT CURRENT CONTINUOUS OUTPUT CURRENT PEAK LINE REGULATION (85 TO 265Vac) LOAD REGULATION 10-100% RIPPLE MIN. 675 MAX. 825 UNITS µHY ---------------------- 1:4.000 1:9.333 8.5 -...
