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Goldpower GPAD301M3.8-2 Series LED Display Switching Power Supply
Price range: $39.99 through $45.99
The GPAD301M3.8-2 Series is a high-efficiency customized power supply developed and manufactured by Goldpower. With a wide input voltage range of 90~264VAC and dual outputs, this power supply features output protection functions such as output short circuit protection, overcurrent protection, and overvoltage protection. Designed to meet safety standards for information technology equipment, the GPAD301M3.8-2A is a reliable and safe power supply choice.
| Weight | 0.8 kg |
|---|---|
| Dimensions | 21 × 6 × 2.8 mm |
| Type Number |
GPAD301M3.8-2A ,GPAD301M3.8-2B |
Goldpower GPAD301M3.8-2 Series LED Display Switching Power Supply Description
GPAD301M3.8-2A is a high-efficiency customized power supply developed and manufactured by Goldpower. With a wide input voltage range of 90~264VAC and dual outputs, this power supply features output protection functions such as output short circuit protection, overcurrent protection, and overvoltage protection. Designed to meet safety standards for information technology equipment, the GPAD301M3.8-2A is a reliable and safe power supply choice.
PRODUCT DESCRIPTION:
The Goldpower GPAD301M3.8-2A customized power supply is a reliable and efficient power supply option for various applications. With a wide input voltage range of 90264VAC, the power supply can operate normally within this range. It also features dual outputs with output voltage range of +3.8V and +2.8V, and output current range of 030A for each output, with a total current of 60A.
The power supply is designed with output protection functions including output short circuit protection, overcurrent protection, and overvoltage protection. The power supply is also designed to meet safety standards for information technology equipment, ensuring safe and reliable operation.
Featuring a high-efficiency design, the GPAD301M3.8-2A power supply has an output power of up to 300W peak and output efficiency of up to 87% with 220Vac input and two outputs with 30A load each. It also has a temperature coefficient of 0.03% per ℃ and a startup and shutdown overshoot of ±10%.
In terms of EMC compliance, the power supply meets various requirements such as electrostatic immunity, radiated immunity, conducted immunity, fast transient burst, surge, conducted disturbances, and radiated disturbance, among others.
The GPAD301M3.8-2A also has mechanical properties including dimensions of 210*60*28mm and a weight of ≤0.8kg. It is designed with various safety regulations and insulation levels such as input-output isolation of 3000Vac/≤10mA/1min, input-earth isolation of 1500Vac/≤10mA/1min, output-earth isolation of 500Vdc/≤10mA/1min, and grounding resistance of ＜0.1Ω, among others.
In summary, the Goldpower GPAD301M3.8-2A customized power supply is a reliable and safe power supply choice with a wide input voltage range, dual outputs, output protection functions, and a high-efficiency design. It is designed to meet safety standards for information technology equipment and has various EMC compliance and mechanical properties, making it suitable for various applications.
| 1.1 Environment | ||||||
|---|---|---|---|---|---|---|
| Parameter | Minimal | Typical | Max | Unit | Comment | |
| Operating temperature | -40 | 70 | °C | Start derating at high temperature of 55 ℃, and the derating curve is shown in the attached table on page 5. Temperature -30 ~ -40 can be started with 70% load, and can be started with full load | ||
| Storage ambient temperature | -40 | 85 | °C | |||
| Operating relative humidity | 20 | 95 | % | No condensation | ||
| Store relative humidity | 5 | 95 | % | No condensation | ||
| Altitude | 5000 | m | ||||
| Atmospheric pressure | 70 | 106 | KPa | |||
| Heat dissipation mode | Natural conduction and heat dissipation | |||||
| 1.2 Input | ||||||
| Parameter | Minimal | Typical | Max | Unit | Comment | |
| Input voltage range | 90 | 220 | 264 | Vac | ||
| Input current | 3 | A | ||||
| Input rush current | 25 | A | 220Vac input, output full load | |||
| Enter the frequency | 47 | 50 | 63 | Hz | Full range normal operation | |
| Power factor | 0.95 | 220Vac input, output full load | ||||
| 1.3 Basic output characteristics | ||||||
| Parameter | Minimal | Typical | Max | Unit | Comment | |
| Output voltage | +3.8V | +3.8V | Vdc | Two outputs share the ground | ||
| +2.8V | +2.8V | Vdc | ||||
| Output voltage range | +3.8V | +3.8V | Vdc | |||
| +2.8V | +2.8V | Vdc | ||||
| Output current range | +3.8V | 0 | 30 | The total current of the two outputs is 60 A, and the maximum voltage of + 2.8 V is 30 A, + 2.8 V + 3.8 V without load can carry up to 60 A | ||
| +2.8V | 0 | 30 | A | |||
| Ripple (peak-to-peak) | +3.8V | 200 | At rated input/output, add a 0.11μF ceramic capacitor and a 1010μF high frequency electrolytic capacitor respectively, and the bandwidth is 20MHz for measurement. 3.8 V ripple 300 m at temperatures below -25 Vp-p with 2.8 V ripple at 150 m Vp-p | |||
| +2.8V | 100 | m Vp-p | ||||
| Load regulation | ±5 | % | ||||
| Voltage stabilization accuracy | ±2 | % | ||||
| Source adjustment rate | ±2 | % | ||||
| 1.4 Other output characteristics | ||||||
| Parameter | Minimal | Typical | Max | Unit | Comment | |
| Output Power | 198 | 300 | W | 300 W peak | ||
| Output efficiency | 85 | 87 | % | 220Vac input, two outputs with 30 A load each | ||
| Temperature coefficient | 0.03 | %/℃ | ||||
| Startup and shutdown overshoot | ±10 | % | ||||
| Dynamic Response Overshoot | ±5 | % | 25% -50% -25% or 50% -75% -50% load transformer | |||
| Dynamic Response Recovery Time | 200 | ūS | The load mutation rate is 0.1A/s, which is calculated by the part exceeding the output voltage stabilization accuracy range. | |||
| Power-on output delay | 4 | S | ||||
| 1.5 Protection | ||||||
| Parameter | Minimal | Typical | Max | Unit | Comment | |
| Input undervoltage protection point | 70 | 80 | 85 | V | ||
| Enter the undervoltage recovery point | 80 | 85 | 90 | V | ||
| Input overvoltage protection point | 270 | 305 | V | |||
| Enter the overvoltage recovery point | 265 | 275 | 285 | V | ||
| Output overvoltage protection | +3.8V | 5 | ||||
| +2.8V | 3.8 | V | 220Vac input, output half-load test | |||
| +3.8V | 33 | 90 | ||||
| Output overcurrent protection | +2.8V | 32 | 50 | A | When the current is limited, the sum of the two output currents is more than 65 A. | |
| Short circuit protection | Have | Short circuit for a long time and self-recovery | ||||
| Over-temperature protection | 60 | Have | 90 | ℃ | Over temperature shutdown, self-recovery. Output Full Load Test, Ref. Temperature is ambient temperature | |
| 1.6 EMC | ||||||
| Project | Indicator requirements | Standard | ||||
| Air discharge ± 8 KV | IEC 61000-4-2 (Criterion A) | |||||
| Electrostatic Immunity (ESD) | Contact discharge ± 6 KV | IEC 61000-4-2 (Criterion A) | ||||
| Radiated immunity (RS) | Test frequency; 80MHz ~ 2GHz; electric field intensity; 3 V/m; Amplitude modulation; 80% AM (1kHz) | IEC 61000-4-3 (Criterion A) | ||||
| Conducted Immunity (CS) | Test frequency; 0.15 MHz ~ 80 MHz, test intensity; 3 V, amplitude modulation; 80% AM (1kHz) | IEC 61000-4-6 (Criterion A) | ||||
| Fast Transient Burst (EFT/B) | ± 2kV, repetition frequency; 5KHz & 100KHz | IEC 61000-4-4 (Criterion A) | ||||
| Surge (SURGE) | AC power port;Line ± 1 kV (internal resistance 2 Ω) Line ground ± 2 kV (internal resistance 12 Ω) | IEC 61000-4-5 (Criterion A) | ||||
| Conducted disturbances (CE) | CLASS B (Note 2) | CISPR22;EN55022;GB9254; | ||||
| Radiated disturbance (RE) | CLASS B (Note 2) | |||||
| 1.7 Others | ||||||
| Vibration | Frequency from 10Hz to 55Hz (sine sweep), amplitude 0.35 mm | |||||
| Impact | Peak acceleration of 150 m/s2for 11 ms | |||||
| Collision experiment | Collision waveform; half sine wave; Peak acceleration; 180m/S2; Pulse width; 6ms; Collision direction; 6 directions; Number of collisions; per 100 times in each direction. | |||||
| Static pressure test | TL=Wt×(S-1)×F×9.8(N) Where; TL; the applied pressure value, in N; Wt; the weight of the package itself, in kg; S; number of stacking layers allowed, optional Lecting the maximum number of stacking layers; F; safety factor, usually 5; The pressure is applied for 2 H. | |||||
| Moisture-proof | GB/T2423.4-1993 Alternate damp heat test, 24 ~ 45 ℃, 95% RH, 48h | |||||
| Mildew proof | Mould test, grade 2 | |||||
| MFBF | MTBF≥200,000h | |||||
| Odor requirements | Do not produce peculiar smell and smell harmful to health. | |||||
| 1.8 Safety regulations and insulation level | ||||||
| Parameter | Standard requirements | Comment | ||||
| Input-output | 3000Vac/≤10mA/1min | |||||
| Input-Earth | 1500Vac/≤10mA/1min | No flashover, no breakdown | ||||
| Output-Earth | 500Vdc/≤10mA /1min | |||||
| Grounding resistance | ＜0.1Ω | |||||
| Insulation resistance | ≥20MΩ | Under normal atmospheric pressure, the relative humidity is 90% and the test voltage is DC 500 V, the insulation resistance of power supply input to output, input to ground and output to ground shall not be less than 20MΩ | ||||
| Leakage current | ≤1m A | |||||
| 1.9 Mechanical properties | ||||||
| Dimensions (L * W * H) | 210*60*28（mm） | |||||
| Weight (kg) | ≤0.8Kg |
①Shipping Fee
We offer a fixed shipping fee of $78 per order, regardless of size or weight, making shipping costs predictable and manageable.
②Handling Time
Orders for in-stock items are processed within 24 hours. Some items may require an additional 48-72 hours for processing, and we will notify you if this is the case.
③Delivery Time
Our typical delivery time is 3-7 days, depending on your location. In rare cases of delays due to weather, regulations, or holidays, we appreciate your understanding.
④Customs & Duties
Customs duties, taxes, and other import fees are the responsibility of the recipient. For specific requirements, please inform us before shipping.
⑤Tracking Your Order
You will receive a tracking number once your package is shipped. If you experience any issues, please contact us for assistance.
For more details, please see our [Complete Shipping Policy].
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