SRAH-02A1AFR Bel Fuse Inc, SRAH-02A1AFR Datasheet - Page 18

• Manufacturer Part Number: SRAH-02A1AFR
• Description: CONV DC/DC 2A 12V .9-3.63VOUT
• Manufacturer: Bel Fuse Inc
• Type: Point of Load (POL) Non-Isolated with Remote On/Off and UVLOr
• Series: SRAH-02Ar

Specifications of SRAH-02A1AFR

• Number Of Outputs: 1
• Output: 0.9 ~ 3.63V
• Power (watts): 7W
• Mounting Type: Surface Mount
• Voltage - Input: 12V
• Package / Case: 7-DIP SMD Module
• 1st Output: 0.9 ~ 3.63 VDC @ 2A
• Size / Dimension: 0.78" L x 0.70" W x 0.32" H (19.8mm x 17.8mm x 8.1mm)
• Power (watts) - Rated: 7.3W
• Operating Temperature: -40°C ~ 85°C
• Efficiency: 70%
• Output Current: 2A
• Input Voltage: 12V
• Screening Level: Industrial
• Operating Temperature Min Deg. C: -40C
• Operating Temperature Max Deg. C: 85C
• Product Length (mm): 17.78mm
• Product Depth (mm): 16.51mm
• Mounting Style: Surface Mount
• Pin Count: 7
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 2nd Output: -
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant

Output Voltage Set-Point Adjustment
xRAH-02A120 Trim Resistor Calculation
page 18
BP05xRAH-02A
©2005 Bel Fuse Inc.
POWER PRODUCTS
where,
where,
Rtrim
Vo is the nominal output voltage setpoint when trim pin is open ,Vo=1.203V
Vo,adj is the adjusted output voltage.
Rtrim-down is the resistance required between TRIM and Vo.
Vo is the nominal output voltage setpoint when trim pin is open ,Vo=1.203V
Vo,adj is the adjusted output voltage.
Rtrim-up is the resistance required between TRIM and GND.
Rtrim
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Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
down
_
Trim Down Test Circuit
up
Specifications subject to change without notice. 03.05
=
=
Vo
Vo
−
. 1
,
3
Vo
adj
87
.
712
,
adj
−
Vo
−
Trim
Gnd
Vo
. 4
64
Kohm
NON-ISOLATED DC/DC CONVERTERS
12V Input / 0.9V – 5.0V Output / 2A
Kohm
500
452
404
356
308
260
212
164
116
100
68
20
90
80
70
60
50
40
30
20
10
0
1.08 1.09
1.2
Trim Up Test Circuit
1.21
1.22
1.1
Adjusted output voltage Vo,adj (V)
Adjusted output voltage Vo,adj(V)
1.24
1.12 1.13
1.25
1.14
1.26
Trim
Gnd
Vo
1.15 1.16
1.27
1.28
1.18
1.3
1.31
1.19
1.32
1.2