V7BC-16F2AX Datasheet, PDF (3/6 Pages) Bel Fuse Inc. – NON-ISOLATED DC/DC CONVERTERS 2.4V-5.5V Input 0.75V-3.63V/16A Output

NON-ISOLATED DC/DC CONVERTERS
2.4V-5.5V Input
0.75V-3.63V/16A Output
General Specifications
Parameter
Efficiency
Vo=3.3V
Vo=1.8V
Vo=0.75V
Switching Frequency
Over Temperature Shutdown
Output Trim Range (Wide Trim)
Remote Sense Compensation
Min
91%
86%
75%
250KHz
-
0.7525V
-
Typ
94%
89%
78%
300KHz
125°C
-
-
Max
-
-
-
350KHz
-
3.63V
5%
MTBF
5,109,613 hours
Dimensions
Inches (L × W × H)
Millimeters (L × W × H)
Weight
2.0 x 0.5 x 0.363
50.80 x 12.7 x 9.23
-
8.3g
-
Note: All specifications are typical at 25°C unless otherwise stated.
Notes
Measured at Vin=5V, full load
Calculated Per Bell Core TR-332 (IO =
Nominal; Ta = 25°C)
Control Specifications
Parameter
Signal Low (Unit Off)
Signal High (Unit On)
Signal Low (Unit On)
Signal High (Unit Off)
Sequencing Voltage
Sequencing Slew Rate Capability
Sequencing Delay Time
Tracking Accuracy
Power-Up
Power-Down
Min
-0.3V
1.5V
-0.3V
1.5V
0.05V
-
10mS
-
-
Typ
-
-
-
-
-
-
-
100mV
200mV
Max
0.3V
5.8V
0.3V
5.8V
Vin
2V/mS
-
200mV
400mV
Notes
V7BC-16F2A0; Remote On/Off pin
open, Unit on.
V7BC-16F2AL; Remote On/Off pin
open, Unit on.
Sequencing Voltage should be higher
than output voltage.
Delay from Vin, min to application of
voltage on SEQ pin
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.
R_trim
=
21.07
V_adj − 0.7525
−
5.11
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.
V_trim = 0.7 − 0.1698 × (V_adj − 0.7525)
Vout
Module _Trim
GND
Vtrim
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com