Description:

- Place of Origin: Guangdong China (Mainland)
- Output Power: 3.3W
- Brand Name: diy
- Input Voltage: 5-25V
- Output Current: 1A
- Output Voltage: 3.3V
- Output Frequency: --
- Model Number: QS-7803-1A
- Capacitor: 1000UF
- Size: 11.6*10*5.8 mm

- Package Size: 12*10*8(cm)
- Package Weight: 150(g)

 

 

 

 

Module parameters

 

Module Properties: non-isolated step-down module (buck)

Rectification: synchronous rectification
Input Voltage :5-24V (greater than 15V, output current 0.8A)

Output Voltage: 3.3V (accuracy ± 1%)

Output power: 3.3W

Recommended input and output capacitors: input capacitance 10UF (ceramic) output capacitance 22UF (ceramic)

Capacitor: 1000UF

Output current: 1A


Conversion efficiency: the input voltage 5V 94% (the highest), input voltage 20V 85% (minimum)

Operating Temperature: Industrial (-40 *C to +85 *C) (85 *C output current 0.5A)

Maximum case working temperature: 100 *C
Full load temperature rise: 50 *C
Load regulation: ± 0.5%

Voltage regulation: ± 0.5%

Output ripple: load current 1A (typical application circuit, the input ceramic capacitors 10UF, the output ceramic capacitors 22UF)

6.5V Output ripple 13mV input

Input 12V Output ripple 30mV

Input 20V Output ripple 45mV

20M-bandwidth

If lower ripple in the output LC filter increases

Dynamic response speed: 5% 200uS

Short circuit protection: current limiting (3A), since the recovery

Overheat protection: 150 *C

7 - 20 mA quiescent current (the higher the quiescent current the greater the input voltage)

Input Reverse Polarity Protection: No, please with our reverse protection diode board or in the input series.

Connection: Welding, SIP-3 package, compatible with LM7805.

 

Packing list:

 

1 * Power Supply Module

 

 


 

 

 

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