NON-ISOLATED DC/DC CONVERTERS
9.0 Vdc - 18 Vdc Input
-12 Vdc/1 A -15 Vdc/0.8 A Output
xRAH-01KXxN Series
RoHS Compliant
Rev.A
•
•
•
Non-Isolated
•
•
•
Low Profile Package
High Efficiency
Remote On/Off
Active Low
Fixed Frequency (400 kHz)
Description
The Bel xRAH-01KXxN is part of the low cost non-isolated dc/dc converter series. The modules use a SMD or SIP
package for ease of layout and space savings. The output is closely regulated and the efficiency is typically 87%
at full load.
Part Selection
Output
Voltage
Input Voltage
Max. Output
Current
Max. Output
Power
Typical
Efficiency
Part Number
Surface Mount
Part Number
Vertical Mount
-12 Vdc
-15 Vdc
9 Vdc - 18 Vdc
9 Vdc - 18 Vdc
1.0 A
0.8 A
12 W
12 W
87%
87%
SRAH-01KX2N
SRAH-01KX5N
VRAH-01KX2N
VRAH-01KX5N
Notes: 1. Add “0” suffix at the end of the model number to indicate “Tube Packaging”, and “R” for “Reel
Packaging”, and “G” for “Tray Packaging”.
2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers.
Absolute Maximum Ratings
Parameter
Min
Typ
Max
Notes
Input Voltage (continuous)
-0.3 V
-
20 V
Remote On/Off (Active Low)
Ambient Temperature
Storage Temperature
-0.3 V
-40 °C
-55 °C
-
-
-
20 V
85 °C
125 °C
Input Specifications
Parameter
Min
Typ
Max
Notes
Input Voltage
9 V
-
18 V
Input Current (no load)
Input Current (full load)
Remoted Off Input Current
-
-
-
40 mA
-
55 mA
1.6 A
18 mA
25 mA
With simulated source impedance
of 500 nH, 5 Hz to 20 MHz; Use one
100 uF/25 V tantalum capacitor and
one 470 uF/35 V electrolytic
Input Reflected Ripple Current
(pk-pk)
-
-
95 mA
30 mA
130 mA
40 mA
Input Reflected Ripple Current
(rms)
capacitor at the input.
I2t Inrush Current Transient
Turn-on Voltage Threshold
Turn-off Voltage Threshold
-
0.003 A2s
8.5 V
0.01 A2s
8.8 V
8.0 V
7.2 V
7.6 V
8.2 V
Note: All specifications are typical at 25 °C unless otherwise stated.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com