TABLE 1: ELECTRICAL SPECIFICATIONS AT 25 OC FIGURE 1: SCHEMATIC DIAGRAM A) 1:0.67 GATE DRIVE TRANSFORMER. TURNS RATIO'S: PRI : SECONDARY -------- 1:0.67 -------- + 2% PRIMARY INDUCTANCE: (8 to 5) VOLTAGE = 0.200Vrms @ 10KHz 3.9 6.2 9.0 mHy PRIMARY LEAKAGE IND: (8 to 5) VOLTAGE = 0.200Vrms @ 100KHz -------- 10.0 15.0 µHy --------------- --------------- 1.0 0.8 Ohms Ohms 75 50 .15 .20 KHz % Tesla Tesla DCR: PRIMARY SECONDARY BIPOLAR DESIGN POINT: 15V Primary OPERATING FREQUENCY MAXIMUM DUTY CYCLE: BIPOLAR MAXIMUM FLUX DENSITY: BIPOLAR MAXIMUM FLUX DENSITY: UNIPOLAR ET PRODUCT WITH <10% DROOP: (1) (PRIMARY VOLTS x PULSE WIDTH) BIPOLAR PULSE @ Bmax_Bipolar UNIPOLAR PULSE @ Bmax = Unipolar ----------------------------- 25 ---------------------- --------------- 260 160 300 200 HI-POT: PRIMARY TO SECONDARY 1000 -------- -------- (1) WHITE DOT DENOTES PIN #1 UNITS 8 1 7 2 SECONDARY MIN. PRIMARY SPEC LIMITS TYP. MAX. PARAMETER 6 3 5 4 V-µsec V-µsec Vdc Higher ET's are possible at lower operating frequencies and/or if increased pulse droop can be tolerated. FIGURE 2: PHYSICAL DIMENSIONS IN INCHES, (mm) FIGURE 3: TYPICAL APPLICATION CIRCUIT +382VDC HOT RAIL >> Q2 R17 P M PMGD-05 XXXX CORE TAPE 3 2 4 5 .024 (.61) 6 7 C20 .295 (7.49) 11 R14 1 "INNOVATORS IN MAGNETICS TECHNOLOGY" 1 Q3 D G S REV. 12/06/95 04/12/96 09/23/98 8 P Premier M Magnetics Inc. 3 1.5:1 R15 PWM DRIVER (ML4824) VO2 D7 UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES DIMENSIONAL TOLERANCES ARE: DECIMALS ANGLES .XX + .04 + 0 O 30' .XXX + .020 DO NOT SCALE DRAWING D6 >> 5 D5 1 D10 EP10 R30 8 .460 (11.68) MAX .098 (2.49) 4 T1 PMGD-05 .450 (11.43) MAX .120 (3.81) MIN .024 (.61) S PRIMARY .500 (12.70) MAX G C25 PIN #1 WHITE DOT D DESCRIPTION OF CHANGES INITIAL RELEASE CORRECTED RATIO ERROR TABLE 1, NO OTHER CHANGES CORRECTED PIN-OUT TO MATCH FIGURE 1 GATE DRIVE TRANSFORMER CONTROL DRAWING PREMIER P/N: PMGD-05 REVISION: 09/23/98 DRAWN BY: TOM O'NEIL REF: SCALE: NONE SHEET: 1 OF 2