NQB-D datasheet(8/36 Pages) CUI

8 / 36 page

cui.com

date 11/07/2014

│ page 8 of 36

CUI Inc

│ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS

Typical Characteristics

12.0 V, 35 A / 420 W

-t

Start-up enabled by connecting VI at:

TP1, TP3 = +25°C, VI = 53 V,

IO = 35 A resistive load.

Top trace: output voltage (5 V/div.).

Bottom trace: input voltage (50 V/div.).

Time scale: (10 ms/div.).

Shut-down enabled by disconnecting VI at:

TP1, TP3 = +25°C, VI = 53 V,

IO =35 A resistive load.

Top trace: output voltage (5 V/div.).

Bottom trace: input voltage (50 V/div.).

Time scale: (2 ms/div.).

Output voltage ripple at:

TP1, TP3 = +25°C, VI = 53 V,

IO = 35 A resistive load.

Trace: output voltage (50 mV/div.).

Time scale: (2 µs/div.).

Output voltage response to load current

step-change (8.75-26.25-8.75 A) at:

TP1, TP3 =+25°C, VI = 53 V, CO = 3.5 mF.

Top trace: output voltage (0.5 V/div.).

Bottom trace: output current (20 A/div.).

Time scale: (0.5 ms/div.).

Output voltage response to input voltage

transient at:

TP1, TP3 = +25°C, VI = 36-75 V,

IO = 17 A resistive load, CO = 3.5 mF

Top trace: output voltage (2 V/div.).

Bottom trace: input voltage (20 V/div.).

Time scale: (0.5 ms/div.).

For more information, please visit the product page.

NQB-D Datasheet(PDF) 8 Page - CUI INC