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VRBA-06A1AX Datasheet, PDF (3/6 Pages) Bel Fuse Inc. – NON-ISOLATED DC/DC CONVERTERS 10 V-14 V Input 0.75 V-6.0 V/6 A Output
NON-ISOLATED DC/DC CONVERTERS
10 V-14 V Input
0.75 V-6.0 V/6 A Output
General Specifications
Parameter
Efficiency
Vo=6.0 V
Vo=5.0 V
Vo=3.3 V
Vo=2.5 V
Vo=1.8 V
Vo=0.75 V
Switching Frequency
Over Temperature Shutdown
Min
-
-
-
-
-
-
280 kHz
-
Typ
92%
90%
88%
85%
83%
71%
300 kHz
135 °C
Max
-
-
-
-
-
-
320 kHz
-
MTBF
3,266,517 hours
Dimensions
Inches (L × W × H)
Millimeters (L × W × H)
Weight
1.0 x 0.5 x 0.243
25.4 x 12.7 x 6.16
-
3g
-
Note: All specifications are typical at 25 °C unless otherwise stated.
Notes
Measured at Vin=12 V, full load
Calculated Per Bell Core SR-332 (IO =
Nominal; Ta = 25 °C)
Control Specifications
Parameter
Remote On/Off
Signal Low (Unit Off)
Signal High (Unit On)
Signal Low (Unit On)
Signal High (Unit Off)
Output Voltage Trim Range
(Wide Trim)
Min
Typ
-0.3 V
-
2.5 V
-
-0.3 V
-
2.5 V
-
0.7525 V
-
Max
0.4 V
14 V
0.4 V
14 V
6.3 V
Notes
VRBA-06A1A0; Remote On/Off pin open, Unit
on.
VRBA-06A1AL; Remote On/Off pin open, Unit
on.
Output Trim Equations
Equation for calculating the trim resistor (in kΩ) given the desired adjusted voltage (Vadj) is shown below. The
Trim Up resistor should be connected between the Trim pin and Ground.
Rtrim
=
10.507
Vadj − 0.7525
−
1
Vout
Module Trim
GND
Rtrim
Equation for calculating the trim voltage (in V) given the desired adjusted voltage (Vadj) is shown below. The
Trim Up voltage should be connected between the Trim pin and Ground.
Vtrim = 0.7 − 0.0667 × (Vadj − 0.7525)
Vout
Module Trim
GND
Vtrim
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com