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  • LM53603-Q1: safety manual (failure modes) required

    TI Thinks Resolved
    Part Number: LM53603-Q1 Hi, Im looking for safety manual (or failure modes) of the LM53603-Q1 . please advise, Ron.
    • Answered

  • LM53603-Q1: Replacement with 3.3V output, wide input voltage if possible

    Resolved
    Part Number: LM53603-Q1 Other Parts Discussed in Thread: LM61430 Hi Power Management team, We're looking for a replacement to LM53603-Q1 due to supply constraints. We're using this device as wide input to 3.3V regulator, adding schematic for reference…
    • Resolved
    • Answered

  • LM53603-Q1: BIAS pin failure mode

    Resolved
    Part Number: LM53603-Q1 Other Parts Discussed in Thread: LM53603 Hi Team, My customer is using LM53603 and asked questions about BIAS pin failure mode. Q.1) BIAS pin Open - How LM53603 will behave with this condition? - Will regulated output be seen on…
    • Resolved
    • Answered

  • LM53603: out of stock - recommendations for drop-in alternatives?

    Resolved
    Part Number: LM53603 Other Parts Discussed in Thread: LMR33630 , , LMR51430 To whom it may concern, my company uses TI part LM53603AMPWPR (or WPT suffix) to generate a 5 V supply for a load of up to 2.6 A and another almost identical circuit on the same…
    • Resolved

  • LM53603-Q1: Question about BIAS protection

    TI Thinks Resolved
    Part Number: LM53603-Q1 Hi team, My customer uses LM53603-Q1 with the configuration similar to Figure 15 of the datasheet with Rbias=4.7 ohm setting. Q.1) It is required to pass the short-to-GND test for BIAS pin at customer side, the customer would like…
    • Answered

  • LM53603-Q1: The device can't start when the load is up to 1.4A.

    Resolved
    Part Number: LM53603-Q1 Dear all When I test the load capacity of the device, there is a question about it, as below, my design is according to EVM, Vout set 5V. 1. When my load is 1.4A, then Vin power on, but there is not any output, Why ? the below…
    • Resolved

  • WEBENCH® Tools/LM53603: LM53603 - Q1 input voltage range.

    TI Thinks Resolved
    Part Number: LM53603 Tool/software: WEBENCH® Design Tools I want to use LM53603 as a buck converter to step down 5V DC to 3.3V DC. i have noticed in datasheet's application note that everywhere they have mentioned input voltage range as 6V to 36V but…

  • LM53603-Q1: Cboot serial resistors selection recommended value

    TI Thinks Resolved
    Part Number: LM53603-Q1 Other Parts Discussed in Thread: LM53603 Hi All, My customer is using LM53603-Q1 in their T-BOX product and meet EMC issue, so a 10R serial resister was added with Cboot to solve EMC issue. But after adding this resister, we found…
    • Answered

  • LM53603-Q1: LM53603 input voltage requirement

    Resolved
    Part Number: LM53603-Q1 I am using the LM53603-Q1 voltage regulator chip with a fixed output voltage of 3.3V and 2.2A max output current. The part works great with an input voltage of 25V but I need it to work down to about 4.5V. The datasheet says it…
    • Resolved

  • LM53603-Q1: LM53603 can not output a constant frequency PWM when its output inductor changed larger

    TI Thinks Resolved
    Part Number: LM53603-Q1 Hello We are using LM536035 as a 12V to 5V power supply.When we use the reference design,the DCDC works fine,but the EMC parameters are not good in frequency multiplication. When we change the value of output inductor,the EMC…

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