Input:

Output:

Current:

Package:

35-75 V

12 V

Half-brick

Technical Specification

Product # PQ60120HZx50

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-2HZ612J Rev. D

06/12/09

Page 7

Figure 7: Turn-on transient at full load (resistive load) (10 ms/div).

Ch 1: Vout (5 V/div)

Ch 2: ON/OFF input (5 V/div)

Figure 8: Turn-on transient at zero load (10 ms/div).

Ch 1: Vout (5 V/div)

Ch 2: ON/OFF input (5 V/div)

Figure 9: Output voltage response to step-change in load current (50%-75%-50% of

Iout(max); dI/dt = 0.1 A/

electrolitic capacitors. Top trace: Vout (500 mV/div). Bottom trace: Iout (10 A/div).

Figure 10: Output voltage response to step-change in load current (50%-75%-50% of

Iout(max): dI/dt = 5 A/

Top trace: Vout (500 mV/div). Bottom trace: Iout (10 A/div).

Figure 12: Input Terminal Ripple Current, ic, at full rated output current and

nominal input voltage with 4.7

capacitor (1 A/div; 2

Figure 11: Test set-up diagram showing measurement points for Input Terminal

Ripple Current (Figure 12), Input Reflected Ripple Current (Figure 13) and

Output Voltage Ripple (Figure 14).

4.7 µH

source

impedance

DC/DC

Converter

Figure 13

Figure 12

Figure 14

1 µF

ceramic

capacitor

15 µF,

100mW ESR

tantalum

capacitor

220 µF,

0.2W ESR

electrolytic

capacitor