VRPC-10AT5X Datasheet, PDF (1/5 Pages) Bel Fuse Inc. – NON-ISOLATED DC/DC CONVERTERS

NON-ISOLATED DC/DC CONVERTERS
12 Vdc Input Vref/2 / 10 A Output
VRPC-10AT5x
RoHS Compliant
Rev.A
• Non-Isolated
• High Efficiency
• High Power Density
• Low Cost
• Remote On/Off
• Under-voltage Lockout (UVLO)
• OCP/SCP
• Remote Sense
Description
The VRPC-10AT5x is a non-isolated step down dc/dc converter that operates from a nominal 12 V source. This
converter is designed specifically to provide bus termination voltages in applications such as DDR (double data
rate) memory where the bus termination voltage must closely track the I/O bus voltage. The converter accepts a
reference input and uses this to program its output voltage to 50% of the reference. The unit is packaged in an
industry-standard single-in-line footprint and provides a maximum 10 A output. Standard features include remote
on/off, input under-voltage lockout, over current protection and remote sense. Replace “x” in the part number with
“S” or “A” depending on your specific application and specific external capacitor bank.
Part Selection
Output Voltage
Vref/2
Vref/2
Input Voltage
12 V
12 V
Max. Output
Current
10 A
10 A
Max. Output
Power
25 W
25 W
Typical
Efficiency
82%
82%
Model Number
VRPC-10AT5S
VRPC-10AT5A
Notes: 1. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers.
2. Add “G” suffix at the end of the model number to indicate “Tray Packaging”. See page 5 for model
number differences.
Absolute Maximum Ratings
Parameter
Min
Typ
Max
Input Voltage (continuous)
-0.3 V
-
15 V
Output Enable Terminal Voltage
-0.3 V
-
15 V
Ambient Temperature
0 °C
-
70 °C
Storage Temperature
-40 °C
-
100 °C
Notes
Input Specifications
Parameter
Input Voltage
Input Current (full load)
Input Current (no load)
Remote Off Input Current
Input Reflected Ripple Current (pk-pk)
Min
10.8 V
-
-
-
-
Input Reflected Ripple Current (rms)
-
I²t Inrush Current Transient
Turn-on Voltage Threshold
Turn-off Voltage Threshold
-
-
8.0 V
Note: All specifications are tested at Vref =2.5 V.
Typ
-
-
-
3
-
-
0.08 A²s
9.7 V
8.8 V
Max
13.2 V
2.1 A
50 mA
15 mA
180 mA
50 mA
0.16 A²s
-
10 V
Notes
Tested with a 470 uF/16 V input
capacitor with ESR=0.03 ohm max
at 100 kHz & simulated source
impedance of 500 nH, 5 Hz to 20
MHz.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com