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TL594CNG Arkusz danych(PDF) 1 Page - ON Semiconductor |
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TL594CNG Arkusz danych(HTML) 1 Page - ON Semiconductor |
1 / 12 page © Semiconductor Components Industries, LLC, 2005 November, 2005 − Rev. 5 1 Publication Order Number: TL594/D TL594 Precision Switchmode Pulse Width Modulation Control Circuit The TL594 is a fixed frequency, pulse width modulation control circuit designed primarily for Switchmode power supply control. Features • Complete Pulse Width Modulation Control Circuitry • On−Chip Oscillator with Master or Slave Operation • On−Chip Error Amplifiers • On−Chip 5.0 V Reference, 1.5% Accuracy • Adjustable Deadtime Control • Uncommitted Output Transistors Rated to 500 mA Source or Sink • Output Control for Push−Pull or Single−Ended Operation • Undervoltage Lockout • Pb−Free Packages are Available* MAXIMUM RATINGS Rating Symbol Value Unit Power Supply Voltage VCC 42 V Collector Output Voltage VC1, VC2 42 V Collector Output Current (Each Transistor) (Note 1) IC1, IC2 500 mA Amplifier Input Voltage Range VIR −0.3 to +42 V Power Dissipation @ TA ≤ 45°C PD 1000 mW Thermal Resistance Junction−to−Ambient (PDIP) Junction−to−Air (TSSOP) Junction−to−Ambient (SOIC) RqJA 80 140 135 °C/W Operating Junction Temperature TJ 125 °C Storage Temperature Range Tstg −55 to +125 °C Operating Ambient Temperature Range TL594CD, CN, CDTB TA −40 to 85 °C Derating Ambient Temperature TA 45 °C Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected. 1. Maximum thermal limits must be observed. *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. SO−16 D SUFFIX CASE 751B TSSOP−16 DTB SUFFIX CASE 948F 1 PDIP−16 N SUFFIX CASE 648 1 1 MARKING DIAGRAMS 1 16 TL594CDG AWLYWW A = Assembly Location WL, L = Wafer Lot YY, Y = Year WW, W = Work Week G or G = Pb−Free Package TL59 4DTB ALYW G G See detailed ordering and shipping information in the package dimensions section on page 10 of this data sheet. ORDERING INFORMATION PIN CONNECTIONS CT RT Ground C1 1 Inv Input C2 Q2 E2 E1 1 ≈ 0.1 V Oscillator VCC 5.0 V REF (Top View) Noninv Input Inv Input Vref Output Control VCC Noninv Input Compen/PWN Comp Input Deadtime Control Error Amp + − 2 3 4 5 6 7 89 10 11 12 13 14 15 16 2 Error Amp + − Q1 http://onsemi.com 16 1 TL594CN AWLYYWWG 1 16 (Note: Microdot may be in either location) |
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