SRDB-08C250R Bel Fuse Inc, SRDB-08C250R Datasheet - Page 12

• Manufacturer Part Number: SRDB-08C250R
• Description: CONV DC/DC 8A 3.3V 2.5VOUT SMD
• Manufacturer: Bel Fuse Inc
• Series: SRDB-08Cr
• Type: Point of Load (POL) Non-Isolated with Remote On/Off and UVLOr

Specifications of SRDB-08C250R

• Output: 2.5V
• Number Of Outputs: 1
• Power (watts): 20W
• Mounting Type: Surface Mount
• Voltage - Input: 3.3V
• Package / Case: 12-DIP SMD Module
• 1st Output: 2.5 VDC @ 8A
• Size / Dimension: 1.22" L x 0.83" W x 0.35" H (30.99mm x 21mm x 8.76mm)
• Power (watts) - Rated: 20W
• Operating Temperature: -40°C ~ 85°C
• Efficiency: 92%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 2nd Output: -

Output Voltage Set-Point Adjustment
Rtrim down =
Rtrim up =
page 12
BP06SRDB-08C
©2006 Bel Fuse Inc.
POWER PRODUCTS
SRDB-08C150 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
1.2
1
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
1.02
1.22
(
Specifications subject to change without notice. 06.06
Vo, adj – Vo
(
1.04
1.24
Vo – Vo, adj
3.072
1.06
1.26
Adjusted output voltage Vo,adj (V)
Adjusted output voltage Vo,adj(V)
2.712
1.08
1.28
1.1
1.3
– 8.66
1.12
1.32
– 12.5
1.14
1.34
)
Kohm
)
1.16
1.36
Kohm
NON-ISOLATED DC/DC CONVERTERS
3.3V Input / 1.2V – 2.5V Output / 8A
1.18
1.38
1.2
1.4
SRDB-08C120 Trim Resistor Calculation
Rtrim up =
Rtrim down =
300
270
240
210
180
150
120
300
270
240
210
180
150
120
90
60
30
90
60
30
0
0
1.25
1.5
1.27
(
1.54
Vo, adj – Vo
(
1.58
1.3
Vo – Vo, adj
3.072
Adjust ed outp ut voltage Vo,adj (V)
Adjusted output voltage Vo,adj(V)
1.33 1.35
1.62
1.562
1.66
1.38
1.7
– 4.64
1.4
1.74
– 8.48
1.43
1.78
)
Kohm
1.45
)
1.82
Kohm
1.48
1.86
1.5
1.9