Brand: QSKJ
Model: QS-7812-0.5A
Parameters:
Module Properties: Non-isolated step-down module (buck)
Rectifier mode: Synchronous rectification
Input voltage: 13-24V/13-32V
Output voltage: 12V (precision ± 1%)
Output power: 6W
Recommended input and output capacitors: input capacitance 10UF (ceramics), the output capacitor 22UF (ceramic)
Maximum capacitive load: 1000UF
Output current: 0.5A
Conversion efficiency: input voltage 6.5 V 94% (highest), input voltage 20V 85% (minimum)
Operating temperature: industrial - grade (-40 ° c to + 85 ° c) (85 ° c output current 0.5 A)
The maximum case temperature at working: 100 ° c
Full load temperature rise: 50 ° c
Load regulation: ± 0.5 %
Voltage regulation: ± 0.5 %
Output ripple: 0.5A load current (typical application circuit, the input of ceramic capacitors 10UF, output ceramic capacitors 22UF)
Input 14V output ripple 60mV
Input 24V output ripple 100mV
20V input ripple output 45mV
Bandwidth: 20M
If you ripple to lower the need, please install LC filter at the output
Dynamic response speed: 5% 200uS
Short circuit protection: current limit (3A), self-recovery
Over-temperature protection: 150 ° c
Static current: 7-20 mA (the higher the input voltage, the higher of the static current)
Input reverse polarity protection: None
Wiring: Welding, the SIP-3 package, compatible with the LM7805.
Note:
Integrated within the filter capacitor, even without to external capacitor, the item can work properly.
In order to lower the output ripple, please install filter capacitor at the input and output port.
