SRAH-03A2500 Bel Fuse Inc, SRAH-03A2500 Datasheet - Page 13

• Manufacturer Part Number: SRAH-03A2500
• Description: CONV DC/DC 3A 12V 2.5V SMD
• Manufacturer: Bel Fuse Inc
• Series: SRAH-03Ar
• Type: Point of Load (POL) Non-Isolated with Remote On/Off and UVLOr

Specifications of SRAH-03A2500

• Output: 2.5V
• Number Of Outputs: 1
• Power (watts): 8W
• Mounting Type: Surface Mount
• Voltage - Input: 12V
• Package / Case: 7-DIP SMD Module
• 1st Output: 2.5 VDC @ 3A
• Size / Dimension: 0.78" L x 0.70" W x 0.32" H (19.8mm x 17.8mm x 8.1mm)
• Power (watts) - Rated: 7.5W
• Operating Temperature: -40°C ~ 85°C
• Efficiency: 88%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 2nd Output: -
• Other names: SRAH-03A250

Output Voltage Set-Point Adjustment
xRAH-03A180 Trim Resistor Calculation
Rtrim down =
Rtrim up =
NON-ISOLATED DC/DC CONVERTERS
12V Input / 1.5V – 5.0V Output / 3A
300
270
240
210
180
150
120
300
270
240
210
180
150
120
90
60
30
90
60
30
0
0
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
1.35
1.5
(
1.37
1.51
Vo, adj – Vo
(
1.38
1.53
Vo – Vo, adj
3.064
Adjusted output voltage Vo,adj (V)
Adjusted output voltage Vo,adj(V)
1.54
3.849
1.4
1.41
1.56
1.43
1.58
– 15.4
1.44
1.59
– 19.23
1.46
1.61
)
Kohm
1.47
1.62
)
Kohm
1.49
1.64
1.5
1.65
Rtrim down =
Rtrim up =
xRAH-03A150 Trim Resistor Calculation
300
270
240
210
180
150
120
300
270
240
210
180
150
120
90
60
30
90
60
30
0
0
1.62
1.8
©2005 Bel Fuse Inc.
1.64
1.82
(
Vo, adj – Vo
1.66
1.84
(
Vo – Vo, adj
3.064
Adjusted output voltage Vo,adj (V)
Adjusted output voltage Vo,adj(V)
1.67
1.85
2.698
1.69
1.87
Specifications subject to change without notice. 07.05
1.71
1.89
POWER PRODUCTS
– 11
1.73
1.91
– 14.83
)
1.75
1.93
Kohm
1.76
1.94
)
1.78
Kohm
1.96
BP05xRAH-03A
1.8
1.98
page 13