LT3045 (DFN Version) +9V Positive Voltage Power Supply Module 10PCS in Parallel Low Noise Linear Regulator

Linear Power Supply Heating Problem:
- The heating of linear LDO power supply mainly comes from three aspects: current size, input/output voltage difference, and whether the external heat dissipation is reasonable; For LDO chips with high integration currently, please calculate the output current reasonably, dissipate heat appropriately, and ensure proper input and output voltage difference; The greater the pressure difference, the greater the heat generation when the current is constant; The larger the current, the greater the heat generation when the pressure difference is constant; Under conditions of large pressure difference and high current, LDO will inevitably not be able to operate normally for a long time.
- Three ways to optimize heat dissipation using linear LDO:
1. Increase the current output margin of the chip, that is, parallel connection of multiple chips.
2. You can add heat sinks and auxiliary heat dissipation, such as fans.
3. Reduce the pressure difference between input and output.

Specification:
- Module model: KDT30458-092 (10 LT3045 parallel outputs)
- Module version: only DFN encapsulated version available
- Module type: positive voltage DC-DC precision low noise, linear power supply voltage reduction, RF linear voltage stabilization
- Input voltage: Vout + 0.3V ~ +20V (MAX input), it is recommended to use an input voltage lower than +20V. If a power supply greater than 16V is required, please add a TVS tube of around 20V to avoid voltage pulses exceeding 20V at the moment of power on, which may damage the LT3042 chip.
- Output voltage: +5V, +9V, +12V, +15V (optional)
- Module input anti reverse diode description: The module is shipped by default with an anti reverse diode soldered to the input. The purpose of this diode is to prevent reverse connection and avoid buyer burnout, which may cause after-sales problems; However, in actual use, the higher the current, the greater the heat generation and loss of the diode, which is not suitable for existence under high current. Therefore, after the buyer confirms the positive and negative poles and measures the basic functions of the module, if possible, the diode can be removed and the two solder pads can be short circuited. Please be aware!
- Output current: +5A (maximum current output can be achieved under 10 parallel low voltage differentials, for example: input 6V, output 5V at 2A) [Recommended for use below 4A] [Please note that the maximum current output is measured under low voltage difference. Do not make a large voltage difference and then explain why the chip cannot work properly. It is due to excessive heat generation, and the chip's thermal protection has been turned off]
- Input/output pressure difference: minimum 260mV; The conventional recommendation is to use a voltage greater than 0.5V.
- Output power: less than 10W
- Static power consumption of module: around 1mA
- Module ripple output: better than 1mVpp
- Module protection: with reverse connection protection, no peripheral fuse protection
- Module weight: 58.9g
- Module specification: 55 x 55 x 15mm
- Module heating: As a linear chip, the larger the load, the greater the heating. Please pay attention to heat dissipation. This module is packaged in SOP patch, so please pay attention to heat dissipation and calculate the carrying current reasonably during use
- Module operating temperature: -40 ℃~+85 ℃

Features: 
- 10 pieces of LT3045 in parallel.
- Adopting a 4-layer PCB design, optimized heat dissipation and current balancing output wiring, and a three-layer copper GND heat dissipation design can better achieve 3045 current output performance and noise performance.
- External optimized heat sink fitting, with anodized heat sink on the back and a chip like heat dissipation area around LT3045 on the front, which can fit well with the memory module heat sink.
- Adopting 22 original X7R capacitor filters with 50V/22uF for Samsung, 10 original 0603 capacitor filters with 50V/10uf for Samsung, and 4.7uF/16V Jimei or AVX tantalum capacitor CSET filter designs.
- Buyers can install axial capacitors for Philips type with dedicated solder pad positions for output and input.
- The module can achieve precise multi turn potentiometer voltage adjustment, meeting the buyer's arbitrary voltage requirements within the range.
- The module specifically reserves a VSET interface. Under the same fixed voltage, two or more identical modules can directly connect the VSET interface to achieve parallel connection of more chips in the module. (For example, if three 10 parallel voltage regulation modules with the same 5V output are connected together, VSETs can achieve simultaneous parallel output of 30 LT3045s, and both voltage and current can be balanced.)

Package Included:
- 1 x Power Supply Module