Step-down module 3A 12v 24v to 5V 3.3V 9V 3A fixed voltage mini DC Adjustable Buck module

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Step-down module 3A 12v 24v to 5V 3.3V 9V 3A fixed voltage mini DC Adjustable Buck module

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Step-down module 3A 12v 24v to 5V 3.3V 9V 3A fixed voltage mini DC Adjustable Buck module
24V Buck Module 3A
Size: 18.2 (Long) * 10.3 (WIDE) * 3.8 (High) mm
  1. The use of new original American imports of chips.
  2. Output current maximum 3 A, long time running 2.1A, ample allowance. 3 A runs 20 seconds or so chips into the overheat protection reboot, which can be worked on by cooling the chip on the 3 A current.
  3. The use of a new design, circuit design does not require electrolytic capacitors and tantalum capacitors (electrolytic capacitor life is short, tantalum capacitor explosion risk). Use of the current high-end circuit on the large size of solid-state ceramic Capacitor (MCC) 3.
  4. The use of non-isolated DC synchronous rectification, circuit conversion efficiency is very high, in 6.5V to 5V 0.7A when the efficiency of $number. $number, 12V to 5V 1 A also reached 94%.
  5. The use of integrated inductor, ultra-low internal resistance, maximize the conversion efficiency. Lower calorific value, higher efficiency, lower than ordinary shielding inductance.
  6. Ultra Small volume, 18 (long) $number (wide) * 3.8 (high) mm, Mini.
  7. Ultra-low static current, 12V input, output 5V voltage, LED lamp led case-static current less than 0.45 ma. The connection in the car battery no need to add a switch, can be connected to the cigarette line, or ACC power cord.
  8. Output integration can reconcile fixed voltage, fixed output is not required to customize, directly on the board spot welding, special voltage can be adjusted with potentiometer, very strong versatility.
  9. The output with LED light indicator, convenient and intuitive indication of voltage output.
  10. With the enabling port, the default mode of work, low level shutdown, to facilitate the control
  11. Can be used to replace 78 series of linear regulators, such as 7805 7812 and so on.
Product parameters
  • Module properties: Non-isolated buck module (Buck) synchronous rectifier Input Voltage: DC 4.5-24v
  • Output voltage: Can be reconciled fixed to lose hi, the back can be selected fixed mountain voltage adjustable range (0.8-12v), fixed voltage (3). 3V 5V 9V 12V)
  • Lose! 丨 Current: Max 3A (full load please pay attention to the heat dissipation), the actual test input 12V 1. No special treatment of heat dissipation within 5A. Conversion efficiency: Highest 97. 5% (6.5 ext. 5V 0·7 a)
  • Switching frequency: 500KHZ output ripple: 20mV about (12V to 5v3a)
  • Operating Temperature: Industrial Grade (-4010 to +851c) (the higher the ambient temperature, the smaller the output power)
  • Output over voltage protection: No load temperature rise: 40°c static current: 0.85 ma load adjustment rate: Chevalier 1%
  • Voltage Adjustment Rate: 0.5%
  • Dynamic response speed: $number 200uS
  • Lost! h Short Circuit protection: have (do not l<: time short circuit)
  • Input reverse protection: none
  • Enable control: Have, high level work, low level stop work, still level is 2-5v, low level is around 0V. Default internal with pull up to input TF.
  • Wiring mode: Welding input mode: Welding output: welding/pin welding hole spacing. 2.54 mm

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Step-down module 3A 12v 24v to 5V 3.3V 9V 3A fixed voltage mini DC Adjustable Buck module

Step-down module 3A 12v 24v to 5V 3.3V 9V 3A fixed voltage mini DC Adjustable Buck module

Step-down module 3A 12v 24v to 5V 3.3V 9V 3A fixed voltage mini DC Adjustable Buck module

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