QBW018A0B1 datasheet(3/16 Pages) LINEAGEPOWER

Part #	QBW018A0B1

Description	36-75Vdc Input; 12Vdc Output; 18A Output Current

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Manufacturer	LINEAGEPOWER [Lineage Power Corporation]

Direct Link	http://www.lineagepower.com

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Data Sheet

March 27, 2008

QBW018A0B Series Power Modules, DC - DC Converters:

36 – 75Vdc Input; 12Vdc Output; 18A Output Current

LINEAGE POWER

3

Electrical Specifications (continued)

Parameter

Device

Symbol

Min

Typ

Max

Unit

Output Voltage Set-point

All

VO, set

12

Vdc

(VIN=IN, min, IO=IO, max, TA=25°C)

Output Voltage

All

VO

11.4

⎯

12.6

Vdc

(Over all operating input voltage, resistive load,

and temperature conditions until end of life)

Output Regulation

Line (VIN=VIN, min to VIN, max)

All

⎯

0.2

% VO, set

Load (IO=IO, min to IO, max)

All

⎯

3

% VO, set

Temperature (Tref=TA, min to TA, max)

All

⎯

150

mV

Output Ripple and Noise on nominal output

(VIN=VIN, nom and IO=IO, min to IO, max)

RMS (5Hz to 20MHz bandwidth)

All

⎯

25

⎯

mVrms

Peak-to-Peak (5Hz to 20MHz bandwidth)

All

⎯

70

⎯

mVpk-pk

External Capacitance

All

CO, max

⎯

3,000

μF

Output Current

All

Io

0

18

Adc

Output Current Limit Inception

All

IO, lim

⎯

20

⎯

Adc

Efficiency

VIN= VIN, nom, TA=25°C

All

η

__

93

⎯

%

IO=IO, max , VO= VO,set

Switching Frequency

All

fsw

⎯

300

⎯

kHz

Dynamic Load Response

(

ΔIo/Δt=1A/10μs; Vin=Vin,nom; TA=25°C;

Tested with a 10 μF aluminum and a 1.0 μF

tantalum capacitor across the load.)

Load Change from Io= 50% to 75% of Io,max:

Peak Deviation

Settling Time (Vo<10% peak deviation)

12V

Vpk

ts

⎯

__

4

300

⎯

__

%VO, set

μs

Load Change from Io= 75% to 50% of Io,max:

Peak Deviation

Settling Time (Vo<10% peak deviation)

Vpk

ts

__

4

300

__

%VO, set

μs

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