Datasheet

cui.com
date 11/07/2014 │ page 11 of 30CUI Inc │ SERIES: NQB-N │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS
Typical Characteristics
12.0 V, 39 A / 468 W
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Start-up enabled by connecting V
I
at:
T
P1
, T
P3
= +25°C, V
I
= 53 V,
I
O
= 39 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 V
I
at:
T
P1
, T
P3
= +25°C, V
I
= 53 V,
I
O
=39 A resistive load.
Top trace: output voltage (5 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (2 ms/div.).
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Output voltage ripple at:
T
P1
, T
P3
= +25°C, V
I
= 53 V,
I
O
= 39 A resistive load.
Trace: output voltage (50 mV/div.).
Time scale: (2 µs/div.).
Output voltage response to load current
step-change (9.75-29.25-9.75 A) at:
T
P1
, T
P3
=+25°C, V
I
= 53 V, C
O
= 3.9 mF.
Top trace: output voltage (0.5 V/div.).
Bottom trace: output current (20 A/div.).
Time scale: (0.5 ms/div.).
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Output voltage response to input voltage
transient at:
T
P1
, T
P3
= +25°C, V
I
= 40-60 V,
I
O
= 19,5 A resistive load, C
O
= 3.9 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.