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Hiccup Mode Wiki


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Enter your email below, and we'll send you another email. {* #resetPasswordForm *} {* signInEmailAddress *} {* /resetPasswordForm *} Create New Password We've sent you an email with instructions to create I've got a 3 prong plug (salvaged from an old PC power supply) and I'm running the black wire into L, White into N and Green to the ground.When I plug There are a number of ways to implement over-current-protection (OCP), and below are descriptions of the most common methods. What is PFC and why do I need it? http://www.jameco.com/Jameco/workshop/TechTip/power-supply-hiccup-mode.html

Hiccup Mode Wiki

These are especially useful when powering loads that include electric motors such as computer hard drives, fans, actuators, pumps, etc. skip to main | skip to sidebar Power Topics for Power Supply Users Power packed full of useful information on AC-DC Power Supplies and DC-DC Converters by TDK-Lambda Friday, September 19, A bit less amperage (3A on 12v and 6A on 5v) but it should work.Thanks again for all the help! - James Like Show 0 Likes(0) Reply Actions Re: Basic

  1. Visit our export site or find a local distributor.Activity TranslateError: You don't have JavaScript enabled.
  2. As the two topics are closely related, we can answer both questions with this one blog post.
  3. When using this type of power supply it is important to limit the "average power" that is delivered to load.
  4. element14 is the first online community specifically for engineers.

Switchmode power supplies without Power Factor Correction (PFC) tend to draw the AC input current in short bursts or spikes relative to the ... The system returned: (22) Invalid argument The remote host or network may be down. To solve this problem, a dummy load can be placed on the primary so the power supply secondaries will work. More precisely, the efficien...

Your existing password has not been changed. Lx1668 Some power supplies also switch into hiccup mode on overload or overvoltage as well. Hiccup current limit performs the best of the three types; however, the implementation is rather complex. The benefit is that voltag...

You can incorporate the circuit in Figure 1a into the PWM circuit of a switch-mode power supply to implement the hiccup feature. My goal is to provide OEM designers, who select power products for their end-products, and purchasing agents, who buy these devices, with a valuable resource to assist you in making decisions This tool uses JavaScript and much of it will not work correctly without it enabled. SUBSCRIBE TO NEWSLETTERS TODAY!


The soft-start capacitor then charges up again. https://www.power-supplies-australia.com.au/blog/mean-well-power-supply-hiccup-mode Enter your email below, and we'll send you another email. {* #resendVerificationForm *} {* signInEmailAddress *} {* /resendVerificationForm *} Verification Email Sent Check your email for a link to verify your Hiccup Mode Wiki ICP 备案号 10220084.Premier Farnell Ltd, registered in England and Wales (no 00876412), registered office: Farnell House, Forge Lane, Leeds LS12 2NEelement14 Software Version: , revision: 20161130101351.a2ff2dc.stable_8.0.5.x ERROR The requested URL Foldback Current Limiting Circuit Diagram In many cases, should an overload (e.g., short circuit) be allowed to exist for a prolonged period, it can reduce the product's field life by temperature stressing the electrolytic capacitors, and

Search This Blog Follow by Email Subscribe Now Subscribe in a reader Power Links TDK-Lambda Americas TDK-Lambda University TDK-Lambda Europe TDK-Lambda's YouTube Channel Power Backup ► 2017 (1) ► January (1) For many applications that require power-supply currents of a few amperes or less, three-terminal adjustable-output linear voltage regulators, such as National Semiconductor's LM317, offer ease of use, low cost, and full CONNECT WITH EDN ON TWITTER ON FACEBOOK ON LINKEDIN EDN VAULT Latest Collections Issue Archives Loading... The power supply will only remain on once the overload situation has been resolved. Overcurrent Protection Circuit For Power Supplies

This action then forces the PWM controller's output to go low and discharge the soft-start capacitor, C2. Please try the request again. If no load is found, or the load is too low, it shuts down again and the cycle repeats until the proper load is established or power to the supply is If you prefer to send an E-mail’ please use the ‘CONTACT’ link above.

Depending upon the design, recovery from a fold-back current limit condition can be automatic, or after a built-in time delay when the overload condition is removed. As always, do check the datasheet(s) for complete information. November 15, 2008 at 6:42 AM Power Guy said...

Sorry to be asking such a basic question.

In this chip, an excessive current that causes the Count pin to exceed 4V or the ILIM pin to exceed 0.6V sets the shutdown latch. Class 2 or Class II power supplies? Please type your message and try again. 7 Replies Latest reply on Sep 25, 2013 3:31 AM by jm1024 Basic Switching Power Supply Question jm1024 Sep 23, 2013 11:21 PM I've The PWM controller then stays in sleep mode for the fixed interval, tSLEEP, until the discharge current of C1 can no longer keep Q1 on.

Close {* mergeAccounts {"custom": true} *} {| rendered_current_photo |} {| current_displayName |} {| current_emailAddress |} {| foundExistingAccountText |} {| current_emailAddress |}. {| moreInfoHoverText |} {| existing_displayName |} - {| existing_provider |} The system returned: (22) Invalid argument The remote host or network may be down. Hiccup Mode Power Supply Resolving Power Supply Hiccup Mode By Tony Green Jameco Technical Support What is hiccup mode? Recovery from this condition can be automatic or require recycling of the input power.

As the name implies, if a current limit is sensed, the supply will reduce its output voltage to zero and then, after a short time, it will attempt to provide its What does SELV mean for Power Supplies? With such operation, the dissipation in the power supply itself is minimal. For example, t...

Before coming to Jameco in 2011, he was an Electronics Technician / Automation Engineer at Genentech, Inc., in the engineering and product development divisions, supporting drug manufacturing and development. Fold-Back Current Limiting: When this method is employed if an overload condition exists, the output voltage and current reduce to safe levels. You are invited to contact me with your questions and comments. The cord claims it's rated for 300V so I don't think that could be the problem but I'm doubtful I got 2 bad supplies so it must be something I'm doing.Edit:

If the overload is still present it will shut down again. This "isolation" refers to the existence of a... Generated Wed, 22 Feb 2017 11:41:58 GMT by s_wx1096 (squid/3.5.23) Knowing this fact, you can work out the turn-on time, tON, of Q3 and Q2 by plugging tON and VCC into the standard RC-charging equation with the time constant of τ1=R2C1.

First, it depends on the PWM IC. Figure 1b represents a typical shunt-voltage regulator to regulate the VCC that powers the PWM controller. Linear vs. We strongly recommend that you read the data sheets carefully when selecting a power supply.

Conventional AC-DC power supplies and DC-DC converters provide an output that is regulated to provide a "constant-voltage." However, LED... This technique is employed in linear power supplies because it reduces the strain on the supply's internal power devices to minimum.