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| (R) BUL742A HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR s s s s HIGH VOLTAGE CAPABILITY LOW SPREAD OF DYNAMIC PARAMETERS MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION VERY HIGH SWITCHING SPEED APPLICATIONS FOUR LAMP ELECTRONIC BALLAST FOR: 120 V MAINS IN PUSH-PULL CONFIGURATION; 277 V MAINS IN HALF BRIDGE CURRENT FEED CONFIGURATION. s SWITCH MODE POWER SUPPLIES s 3 1 2 TO-220 DESCRIPTION The BUL742A is manufactured using high voltage Multi Epitaxial Planar technology for high switching speeds and high voltage capability. Thanks to an increased intermediate layer, it has an intrinsic ruggedness which enables the transistor to withstand an high collector current level during breakdown condition, without using the transil protection usually necessary in typical converters for lamp ballast. INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol V CES V CEO V EBO IC I CM IB I BM P tot T stg Tj Parameter Collector-Emitter Voltage (V BE = 0) Collector-Emitter Voltage (I B = 0) Emitter-Base Voltage (I C = 0, I B 2 A, t p < 10s, T j < 150 o C) Collector Current Collector Peak Current (t p <5 ms) Base Current Base Peak Current (t p <5 ms) Total Dissipation at Tc = 25 o C Storage Temperature Max. Operating Junction Temperature Value 950 400 V (BR)EBO 4 8 2 4 70 -65 to 150 150 Unit V V V A A A A W o o C C 1/5 October 2003 BUL742A THERMAL DATA R thj-case R thj-amb Thermal Resistance Junction-Case Thermal Resistance Junction-Ambient Max Max 1.78 62.5 o o C/W C/W ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified) Symbol I CES I CEO Parameter Collector Cut-off Current (V BE = 0) Collector Cut-off Current (I B = 0) Test Conditions V CE = 950 V V CE = 400 V I C = 10 mA L = 25 mH 400 Min. Typ. Max. 100 250 Unit A A V V CEO(sus) Collector-Emitter Sustaining Voltage (I B = 0) V (BR)EBO Emitter-Base Breakdown Voltage (I C = 0) Collector-Emitter Saturation Voltage Base-Emitter Saturation Voltage DC Current Gain RESISTIVE LOAD Storage Time Fall Time Avalanche Energy I E = 1 mA 12 24 V V CE(sat) V BE(sat) h FE IC = 1 A I C = 3.5 A I C = 3.5 A I C = 800 mA I C = 10 mA V CC = 250 V I B1 = 0.5 A t p = 30 s L = 2 mH I B = 0.2 A IB = 1 A IB = 1 A VCE = 3 V V CE = 5 V I C = 2.5 A I B2 = -1 A (see figure 2) (see figure 1) 6 16 10 0.9 100 0.5 1.5 1.5 40 V V V ts tf E sb s ns mJ Pulsed: Pulse duration = 300 s, duty cycle 1.5 % Safe Operating Areas Derating Curve 2/5 BUL742A Figure 1: Energy Rating Test Circuit Figure 2: Resistive Load Switching Test Circuit 3/5 BUL742A TO-220 MECHANICAL DATA DIM. A C D E F F1 F2 G G1 H2 L2 L4 L5 L6 L7 L9 M DIA. 3.75 13.00 2.65 15.25 6.20 3.50 2.60 3.85 0.147 mm MIN. 4.40 1.23 2.40 0.49 0.61 1.14 1.14 4.95 2.40 10.00 16.40 14.00 2.95 15.75 6.60 3.93 0.511 0.104 0.600 0.244 0.137 0.102 0.151 TYP. MAX. 4.60 1.32 2.72 0.70 0.88 1.70 1.70 5.15 2.70 10.40 MIN. 0.173 0.048 0.094 0.019 0.024 0.044 0.044 0.194 0.094 0.394 0.645 0.551 0.116 0.620 0.260 0.154 inch TYP. MAX. 0.181 0.052 0.107 0.027 0.034 0.067 0.067 0.202 0.106 0.409 P011CI 4/5 BUL742A Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a trademark of STMicroelectronics. All other names are the property of their respective owners. (c) 2003 STMicroelectronics - All Rights reserved STMicroelectronics GROUP OF COMPANIES Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States. http://www.st.com 5/5 |
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