STK730-050

Thick Film Hybrid IC INCHANGE STK730-010 Self-excitation Type Semi-Regulated Switching Regulator Features ﹒Power MOSFET devices ﹒Ideal for semi-regulated control switching supplies ﹒Error detection circuit on-chip (40.5±0.5V set reference voltage) ﹒Pin compatible with all other devices in the same series of devices with 110 to 280W power ratings ﹒Higher oscillator frequency allows the use of smaller pulse transformers Package Dimensions unit:mm Applications ﹒CRT/CTV power supplies ﹒Office automation equipment power supplies Block Diagram Pin Functions (1) (2) (3) (4) (5) (6) (7) (8) (9) (11) (12) Vref(40.5V typ) input Error detection level Ground Drive voltage input TR1 gate Amplifier circuit control OCP setting level input TR1 source TR1 source TR1 drain TR1 drain Thick Film Hybrid IC Specifications INCHANGE Maximum Ratings at Ta=25℃, Tc=25℃ unless otherwise specified Parameter Operating substrate temperature AC input voltage Operating temperature Storage temperature Maximum output power (TR1) Drain current Pulse drain current Drain reverse current Gate-source voltage Allowable power dissipation Chip junction temperature Thermal resistance (ZD1) Allowable power dissipation Chip junction temperature Thermal resistance PZD1 Tj(ZD1)max θj-c(ZD1) 500 125 0.2 mW ℃ ℃/mW Symbol TC max VAC Topr Tstg Wo max Specified test circuit VO=135V Conditions Recommended value is 105℃ Specified test circuit Ratings 115 140 -10 to+85 -30 to+115 110 UNIT ℃ Vrms ℃ ℃ W ID ID(Pulse) IDR VGSS PD Tj max θj-c 6 20 6 ±30 78.1 150 1.6 A A A V W ℃ ℃/W Allowable operating ranges at Ta=25℃ Parameter Pin 4 input voltage Oscillator frequency Symbol V4 fOSC Conditions Ratings ±8 to±24 20 to 120 UNIT V kHz Operating characteristics at Ta=25℃Tc=25℃ ( unless otherwise specified,specified test circuits) Parameter Output voltage setting Output voltage temperature coefficient (TR1) Drain-source breakdown voltage Gate-source cutoff voltage ON resistance Input capacitance (ZD1) Zener voltage VZ IZ=5mA 23.7 26.3 V V(BR)DSS VGS(off) RDS(on) Ciss ID=10mA,VGS=0V ID=1mA,VDS=10V ID=2.5A,VGS=10V VDS=10V,VGS=0V,f=1MHz 500 2.0 1.4 800 3.0 1.8 V V Ω pF Symbol Conditions IIN=8mA TC=0 to 105℃, IIN=8mA min 40.0 Typ 40.5 7 max 41.0 UNIT V mV/℃ Thick Film Hybrid IC Series organization These devices form a series with varying output power ratings Device STK730-010 STK730-020 STK730-030 STK730-040 STK730-050 STK730-060 STK730-070 STK730-080 STJ730-090 900 -30 to +115 +115 +150 500 VDSS [V] Tstg [℃] Maximum ratings TC max Tj max [℃ ] [℃] ID [A] 6.0 8.0 10.0 12.0 15.0 3.0 5.0 6.0 8.0 170 to 264 85 to 132 Input voltage [V] INCHANGE Operating characteristics ON resistance Output power [W] [Ω] 110 145 180 210 280 110 180 210 280 1.4 0.8 0.7 0.55 0.3 5.0 3.0 2.0 1.2