EPR-85 Datasheet, PDF (23/32 Pages) Power Integrations, Inc. – Engineering Prototype Report for EP 85 - 2 W Charger using LinkSwitch-LP

04-Oct-2005
EP-85 6 V, 330 mA Low Cost Charger
10.4 Output Ripple Measurements
10.4.1 Ripple Measurement Technique
A ripple probe, which included a 1.0 µF Aluminum electrolytic capacitor in parallel with
a 0.1 µF ceramic capacitor, was used for all ripple measurements. The probe was
located at the end of the DC output cable assembly.
Figure 19 – Oscilloscope Probe with Probe Master 5125BA BNC Adapter (modified with wires for probe
ground for ripple measurement, and two parallel decoupling capacitors added).
Page 23 of 32
Power Integrations
Tel: [phone] Fax: [phone]
www.powerint.com