AC-DC 5V 700mA 12V 450mA 9V 500mA 3.5W Precision Buck Converter AC 220V to DC step down Transformer power supply module on - AC-DC 5В 700мА 12В 450мА 9В 500мА 3.5Вт Точный преобразователь снижения напряжения переменного тока 220В на постоянный ток

AC-DC 5V 700mA 12V 450mA 9V 500mA 3.5W Precision Buck Converter AC 220V to DC step down Transformer power supply module on - 5В 700мА 12В 450мА 9В 500мА 3.5Вт Точный преобразователь снижения напряжения переменного тока 220В на постоянный ток

Note: Since the size of this module is the same, the printed data that is different from your option will appear on the back, but don't worry, you can use it directly, the parts of the PCB board are different.

5V 700mA:

Step Down Module
Condition: New
With temperature protection, over current protection and short circuit protection, high and low voltage isolation, AC85 ~ 265 v wide voltage input, ac/dc current , 431 precision voltage stability DC5V output
Input voltage: AC 85 ~ 265 v 50/60 hz or DC 100~ 370 v
Imput current: 0.0273A(AC110V) 0.014A(AC220V)
Input Inrush Current: 20A
Output voltage: DC 5V (+ / - 0.2 V)
Output current 700 mA
Power 3.5 W
Operating temperature -20~60°
Relative humidity 40-90%RH
Output 5V, min current 0a, max current 700mA, peak current: 800mA, output range: 4.8~5.2v, ripple wave: 60mV
Output power:0-4W(DC current)
Output efficiency: 80%
Switch machine overshoot: MAX 10%
Output voltage rise time: MAX 100MS
Output over voltage: 4.8-5.2V, recovery:Lock, restart after recovery
Output over power protection:YES ,recovery:Lock, restart after recovery
Short-circuit protection: YES, automatic recovery after problem solved
Temperature protection: YES,recovery:Lock, restart after recovery
Overcurrent protection: YES,recovery:Lock, restart after recovery
Size: 29.89 x 20.57 x18mm

9V 500mA:

This power supply has the temperature protection, over current protection and short circuit protection, AC90 ~ 240 v wide voltage input, the input and output isolation. DC9V voltage output, small volume, with indicator


- Input voltage : AC90~240V 50/60 HZ
- Output voltage: DC9V (±0.1V)
- Output current: 500MA
- Power: 4.5 W
- Size:30*20*18mm

12V 450mA:

-The power supply for whole isolation type industrial-grade built-in power supply module, temperature protection, over current protection and short circuit protection,AC 85 ~ 265v wide voltage input, 431 precision voltage, DC12V output, small size, stable performance, cost-effective
-input voltage of AC85 ~ 265v 50/60 HZ
-Output voltage DC12V (±0.1V)
-Output current 450MA
-Power 5W

Horizontal-5V 700MA:

1. Output indicator: green
2. Full load power: <4W
3. No-load power: <0.05W
4. Working temperature: -20~70
5. Test resistance: 7 ohms (4.9V) for 5V
6. Output power: 3.5W, efficiency is about 80%
7. Input voltage range: AC50V-277V DC70V-390V
8. Output current: 5VmA-700mA, enters constant current mode when fully loaded
9. Output protection: overvoltage, overcurrent, overtemperature, short circuit protection, etc.
10. Output characteristics: Multiple voltage modules can be used in parallel to meet the needs of small current and large current
11. Output voltage: 5V+-0.15v no load and full load, light load minus 0.1V, rebound when heavy load, 50% load ripple 60mV
12. Capacitance temperature is 105° 10,000 hours, more than 5 years at 70°, and about 20-50 years at room temperature (not recommended for use above 70°).

Horizontal-12V 300MA:

1. Output indicator: green
2. No-load power: <0.05W
3. Full load power: <4W
4. Working temperature: -20~70
5. Test resistance: 40 ohms (12V) for 12V
6. Output power: 3.5W, efficiency is about 80%
7. Input voltage range: AC50V-277V DC70V-390V
8. Output current: 12VmA-300mA, enters constant current mode when fully loaded
9. Output protection: overvoltage, overcurrent, overtemperature, short circuit protection, etc.
10. Output characteristics: Multiple voltage modules can be used in parallel to meet the needs of small current and large current
11. Output voltage: 12V-0.05v+0.3v no load and full load, light load minus 0.1V, rebound when heavy load, 50% load ripple 100mV
12. Capacitance temperature is 105° 10,000 hours, more than 5 years at 70°, and about 20-50 years at room temperature (not recommended for use above 70°).

Vertical-5V 700MA/12V 300MA:

This power module is suitable for: industrial instrumentation, smart home switch socket host, etc., general electronic products, toy products, adapter products ...

AC input (VAC): AC60-277V (recommended AC85-265V)
DC input (VDC): DC80-390V (recommended DC100-370V)
Frequency range (Hz): 47-63
Input current (A): 0.04 / 115VAC 0.02 / 230VAC
Inrush current (A): Cold start: 4A / 230VAC
Efficiency (TYP): ordinary models ≥73% -80%


Output voltage (VDC): 5.1V ± 5% / 12.1V ± 5%
Output voltage accuracy: 4.85-5.35V / 11.5-12.7V
Rated current (MA): 700MA / 300MA
Rated power (W): 3W
Ripple and Noise (MVP-P): rated input voltage 20MHz bandwidth / 2% of output voltage
Linear adjustment rate: ± 1% of full load
Load adjustment rate: 10-100% load ± 3%
Start / rise time: full load = 836ms, (7.4ms / 90VAC) 500ms, (7.4ms / 230VAC)
Holding time (MS): full load = (16ms / 115VAC) (50ms / 230VAC)
Overload protection: rated input voltage = 115% -15

5V2000MA/ 12V1000MA:

Test items:
AC input (VAC): AC70-277V (AC85-265V recommended)
DC input (VDC): DC100-390V (DC110-370V recommended)
Frequency range (Hz): 47-63
Input current (A): 0.12/115VAC / 0.06/230VAC
Inrush current (A): Cold start: 10A/230VAC
Efficiency (TYP): 77%-83%
No-load standby (mW): ≤80MW
Rated power (W): 10W
Linear adjustment rate: full load: ±1%
Load regulation rate: 10-100% load: ±3%
Switching frequency (KHz): 0.8-65 (frequency conversion control chip)
Insulation voltage (VAC): input to output test: 60S ≤5mA=1000V
Insulation resistance (MΩ): input to output test: 500VDC=100
Short-circuit protection: rated input voltage: long-term short-circuit, self-recovery
Overcurrent protection: rated input voltage: full load constant current mode
Start delay time (ms): Vin: 230VAC =500ms
Power-down hold time (ms): Vin: 230VAC=25ms