• UC1825A: Pls help to confirm the Lead Frame Plating

  

  Icgoo Icgoo

  TI Thinks Resolved

  Part Number: UC1825A Hello, Whether the part of UC1825AL883B is with two kind of Lead Frame Plating? Tin or Gold?

  • over 1 year ago
  • Power management
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Answered

• UC1825A-SP: LCCC-20 Socket

  

  Steve Widener

  Resolved

  Part Number: UC1825A-SP Do we happen to have a part number for a socket (LCCC-20 package) to support this part for testing purposes? 5962-87681022A

  • Resolved

  • over 3 years ago
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Answered

• UC1825A-SP: 5962-8768102EA and UC1825A?

  

  Hisui Yan

  Resolved

  Part Number: UC1825A-SP Other Parts Discussed in Thread: UC3823B , UC3825B , UC1825A , UC3823A , UC1823A , UC3825A , UC2825A , UC2823B , UC2823A , UC2825B The datasheet of 5962-8768102EA includes a series of chips: UC1823A, UC2823A, UC2823B,UC3823A, UC3823B, UC1825A…

  • Resolved

  • over 3 years ago
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Answered

• UC1825A: Output stage dropout and maximal operating frequency

  

  christian fallouh

  Resolved

  Part Number: UC1825A Hello, I have additional questions related to UC1825A. Considering the output drives high impedances (it is buffered by other dedicated drivers) : - What is the expected high voltage level dropout ? I understand from the datasheet…

  • Resolved

  • over 3 years ago
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• UC1825A-SP: 50% maximum duty cycle?

  

  Hisui Yan

  TI Thinks Resolved

  Part Number: UC1825A-SP Other Parts Discussed in Thread: UC1825-SP , UC1825B-SP The datasheet of UC1825A-SP said that “The UC1825A-SP outputs are alternately controlled”, so that duty cycle varies “from 0 to less than 50%”. However, in Fig. 15 of the datasheet…

  • over 3 years ago
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Answered

• UC1825A: Vc gate driving minimum voltage

  

  christian fallouh

  Resolved

  Part Number: UC1825A Hello, Is there a minimal voltage recomended for biasing Vc (output stage power supply) pin for proper IC functioning ? Best regards Christian

  • Resolved

  • over 3 years ago
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• UC1825A: Max Duty Cycle

  

  Steve Widener

  TI Thinks Resolved

  Part Number: UC1825A Other Parts Discussed in Thread: UC1825 , UC1823 Do we have a chart comparable to Figure 3 of the datasheet for the 50% duty-max devices? If not, do we have a a formula we can use that properly combines any delays & discharge times…

  • over 4 years ago
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Answered

• UC1825A: UC1825A

  

  Jason Nguyen84

  Resolved

  Part Number: UC1825A Hi, Question regarding the Clock signal on Pin 4. We use this clock signal to trigger another external circuit. The loading current is about 3.7mA. UC1825A spec has maximum current of 5mA. Is there any issue if we are loading at 3…

  • Resolved

  • over 5 years ago
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• UC1825A: UC1825A 5.1V reference voltage

  

  Jason Nguyen84

  TI Thinks Resolved

  Part Number: UC1825A Hello, I have question regarding the 5.1V reference voltage. Beside initial tolerance, temperature variation and radiation effect, is this 5.1V will change due to aging effect ? Is there some data or equation to calculate this ? …

  • over 5 years ago
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Answered

• UC1825A-SP: UC1825A-SP

  

  Jason Nguyen84

  Resolved

  Part Number: UC1825A-SP If the Error Amp Out pin (Pin 3) is clamped at 2.5V as a secondary protection circuit beside the normal current limit (Pin 9). When the converter going into current limit, will the Clamp voltage at E/A OUT will override the Current…

  • Resolved

  • over 5 years ago
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