VRAH-08B1A00 Bel Fuse Inc, VRAH-08B1A00 Datasheet - Page 13

• Manufacturer Part Number: VRAH-08B1A00
• Description: CONV DC/DC 5V 8A 26.4W OUTPUT
• Manufacturer: Bel Fuse Inc
• Series: VRAHr
• Type: Point of Load (POL) Non-Isolated with Remote On/Off and UVLOr

Specifications of VRAH-08B1A00

• Output: 0.9 ~ 3.3V
• Number Of Outputs: 1
• Power (watts): 26W
• Mounting Type: Through Hole
• Voltage - Input: 4.5 ~ 5.5V
• Package / Case: 5-SIP Module
• 1st Output: 0.9 ~ 3.3 VDC @ 8A
• Size / Dimension: 0.70" L x 0.31" W x 0.65" H (17.8mm x 7.9mm x 16.5mm)
• Power (watts) - Rated: 26.4W
• Operating Temperature: -40°C ~ 85°C
• Efficiency: 92%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 2nd Output: -
• Other names: VRAH-08B1A0

Output Voltage Set-Point Adjustment
xRAH-08B1A0 Trim Resistor Calculation
where,
where,
R
NON-ISOLATED DC/DC CONVERTERS
Vo is the nominal output voltage setpoint when trim pin is open ,Vo=1.805V
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=1.805V
Vo,adj is the adjusted output voltage.
Rtrim-up is the resistance required between TRIM and GND.
5V Input / 0.9V – 3.3V Output / 8A
trim
R
−
trim
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
down
Trim Down Test Circuit
−
up
=
=
(
Vo
(
Vo
250
−
,
199
adj
Vo
.
362
,
2 .
adj
−
Vo
−
−
261
Trim
Gnd
12
Vo
) 1 .
.
) 1
ohm
ohm
3000
2700
2400
2100
1800
1500
1200
3000
2700
2400
2100
1800
1500
1200
900
600
300
900
600
300
0
0
0.85
1.8
Trim Up Test Circuit
0.94
©2006 Bel Fuse Inc.
2
1.04
2.2
A djus ted output voltage Vo,adj (V)
A djus ted output voltage Vo,adj(V)
1.14
2.4
1.23
2.6
Specifications subject to change without notice. 02.06
POWER PRODUCTS
1.33
2.8
Trim
Gnd
1.42
Vo
3
1.52
3.2
1.61
3.4
BP06xRAH-08B
1.71
3.6
page 13
1.8
3.8