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SRAH-12F1A0 Datasheet

  • SRAH-12F1A0

  • NON-ISOLATED DC/DC CONVERTERS

  • 10頁

  • BEL   BEL

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NON-ISOLATED DC/DC CONVERTERS
3.0 Vdc - 5.5 Vdc Input
0.8 Vdc - 3.63 Vdc/12 A Output
xRAH-12F1A0
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Non-Isolated
Wide Trim
RoHS Compliant
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
OCP/SCP
Rev.A
Remote On/Off
Under Voltage Lockout (UVLO)
UL60950-1 Recognized (UL/cUL)
Fixed Frequency (300 kHz)
Remote Sense (SMD Module)
Description
The Bel xRAH-12F1A0 modules are a series of non-isolated, step down dc/dc power converters that operate from
3.0 Vdc to 5.5 Vdc source. These converters are available in a range of output voltages from 0.8 Vdc to 3.63 Vdc.
It is packaged in a compact, overmolded package rated at 12 A. Optional lead forming provides a vertical mount
product for minimal footprint or a surface mount option for a very low profile. The output is closely regulated and
the efficiency is typically 94% at 3.3 Vdc output full load.
Part Selection
Output Voltage
0.9 Vdc - 3.3 Vdc
Input Voltage
3.0 Vdc - 5.5 Vdc
Max. Output
Current
12 A
Max. Output
Power
39.6 W
Typical
Efficiency
94%
Part Number
Surface Mount
SRAH-12F1A0
Part Number
Vertical Mount
VRAH-12F1A0
Notes:
1. Add 鈥?鈥?suffix at the end of the model number to indicate 鈥淭ube Packaging鈥? and 鈥淩鈥?for 鈥淩eel
Packaging鈥? and 鈥淕鈥?for 鈥淭ray Packaging鈥?
2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers.
Absolute Maximum Ratings
Parameter
Input Voltage (continuous)
Output Enable Terminal Voltage
Ambient Temperature
Storage Temperature
Min
-0.3 V
-0.3 V
-40
擄C
-55
擄C
Typ
-
-
-
-
Max
6V
6V
85
擄C
125
擄C
Notes
Input Specifications
Parameter
Input Voltage
Input Current (no load)
Input Current (full load)
V
O
=3.3 V
V
O
=2.5 V
V
O
=1.8 V
V
O
=1.5 V
V
O
=1.2 V
V
O
=0.9 V
Remote Off Input Current
Input Reflected Ripple Current (pk-pk)
Input Reflected Ripple Current (rms)
I t Inrush Current Transient
Turn on Voltage Threshold
Turn off Voltage Threshold
2
Min
3V
-
-
-
-
-
-
-
-
-
-
-
-
Typ
-
100 mA
-
-
-
-
-
-
4 mA
250 mA
80 mA
0.09 A s
2.1 V
2V
2
Max
5.5 V
150 mA
11 A
10.5 A
9.0 A
8.1 A
6.5 A
5.2 A
8 mA
400 mA
120 mA
0.2 A s
-
-
2
Notes
With simulated source impedance of 500 nH,
5 Hz to 20 MHz; use a 270 uF/16 V cap with
ESR=0.0018 ohm max at 100 kHz
Note:
All specifications are typical at 5 V input, full load at 25
擄C
unless otherwise stated.
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
鈥?/div>
Tel 201-432-0463
鈥?/div>
Fax 201-432-9542
鈥?/div>
www.belfuse.com

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