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SRAH-03F1A0 Datasheet

  • SRAH-03F1A0

  • NON-ISOLATED DC/DC CONVERTERS 3.0 Vdc - 5.5 Vdc Input 0.9 Vd...

  • 241.21KB

  • 9頁

  • BEL   BEL

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NON-ISOLATED DC/DC CONVERTERS
3.0 Vdc - 5.5 Vdc Input
0.9 Vdc - 3.3 Vdc/3 A Output
xRAH-03F1A0
鈥?/div>
鈥?/div>
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Non-Isolated
High Efficiency
Fixed Frequency (300 kHz)
Low Cost
UL60950 Recognized (UL/cUL)
RoHS Compliant
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Remote On/Off
Input Under Voltage Lockout
OCP/SCP
Wide Range Trim
Description
The Bel xRAH-03F1A0 module is a non-isolated, step down dc/dc converter that operates from 3.0 Vdc to 5.5
Vdc source. This converter is available in a range of output voltages from 0.9 Vdc to 3.3 Vdc. It is packaged in a
compact, overmolded package rated at 3 A. Optional lead forming provides a vertical mount product for minimal
footprint or a surface mount option for a very low profile. The efficiency of 3.3 Vdc module is typically 92% at 5
Vdc input and full load. Typical features include remote on/off, input under voltage lockout, over current
protection and short circuit protection.
Part Selection
Output Voltage
0.9 Vdc - 3.3 Vdc
Input Voltage
3.0 Vdc - 5.5 Vdc
Max. Output
Current
3A
Max. Output
Power
10 W
Typical
Efficiency
92%
Part Number
Surface Mount
SRAH-03F1A0
Part Number
Vertical Mount
VRAH-03F1A0
Note:
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?
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
-40
擄C
Typ
-
-
-
-
Max
6V
6V
85
擄C
125
擄C
Notes
Input Specifications
Parameter
Input Voltage
V
O
=3.3 V
V
O
=2.5 V
V
O
=0.9 V-1.8 V
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
Vo=0.9 V
Remote Off Input Current
Input Reflected Ripple Current (pk-pk)
Input Reflected Ripple Current (rms)
4.5 V
3.6 V
3.0 V
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
5 mA
75 mA
25 mA
5.5 V
5.5 V
5.5 V
70 mA
2.5 A
2.4 A
2.2 A
1.9 A
1.6 A
1.3 A
10 mA
-
-
Tested with simulated source impedance
of 500 nH, 5 Hz to 20 MHz and two 270
uF/16 V Oscon caps with ESR=0.018 ohm
max at 100 kHz
Min
Typ
Max
Notes
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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