SRAH-05A3300 Bel Fuse Inc, SRAH-05A3300 Datasheet

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SRAH-05A3300

Manufacturer Part Number
SRAH-05A3300
Description
CONV DC/DC 5A 12V 3.3V SMD
Manufacturer
Bel Fuse Inc
Series
SRAH-05Ar
Type
Point of Load (POL) Non-Isolated with Remote On/Off and UVLOr
Datasheet
1.SRAH-05A1A00.pdf (27 pages)

Specifications of SRAH-05A3300

Output
3.3V
Number Of Outputs
1
Power (watts)
17W
Mounting Type
Surface Mount
Voltage - Input
12V
Package / Case
7-DIP SMD Module
1st Output
3.3 VDC @ 5A
Size / Dimension
0.78" L x 0.70" W x 0.32" H (19.8mm x 17.8mm x 8.1mm)
Power (watts) - Rated
16.5W
Operating Temperature
-40°C ~ 85°C
Efficiency
88%
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
3rd Output
-
2nd Output
-
Other names
SRAH-05A330
Description
The Bel SRAH-05A and VRAH-05A modules are a series of non-isolated, step down DC/DC power converters that operate
from a nominal 12V source. These converters are available in a range of output voltages from 0.9V to 5.0V. They are packaged
in a compact, overmolded package rated at 5A. Optional lead forming provides a vertical mount product for minimal footprint or
a surface mount option for a very low profile. Standard features include remote on/off, over current and short circuit protection,
output voltage adjust and industrial temperature ranges (-40° to +85° C). The output is closely regulated and the efficiency is
typically 91.5% at full load. These products may be used almost anywhere low voltage silicon is employed and a 12V source is
available. Typical applications include file servers, routers, line cards and other computing and communications equipment.
Applications
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Distributed power architectures
Data networking equipment
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Computers and peripherals
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NON-ISOLATED DC/DC CONVERTERS
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Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
Nonisolated
Compact, low profile surface mount package
Fixed frequency
High efficiency means less power dissipation
Excellent thermal performance
Optimized for cost
Remote on/off
Undervoltage lockout (UVLO)
Over current and short circuit protection
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©2005 Bel Fuse Inc.
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Specifications subject to change without notice. 03.05
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POWER PRODUCTS
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BP05xRAH-05A
page 1

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SRAH-05A3300 Summary of contents

Page 1

... Over current and short circuit protection Description The Bel SRAH-05A and VRAH-05A modules are a series of non-isolated, step down DC/DC power converters that operate from a nominal 12V source. These converters are available in a range of output voltages from 0.9V to 5.0V. They are packaged in a compact, overmolded package rated at 5A ...

Page 2

... With simulated source impedance of 500nH, 5Hz to 20MHz. ©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 2 NON-ISOLATED DC/DC CONVERTERS 12V Input / 0.9V – 5.0V Output / 5A ...

Page 3

... Note: All specifications are typical at nominal input, full load at 25° C unless otherwise stated. 1. Vin = 12V, Iout = full load 25° C. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com ...

Page 4

... For fast start up modules. ©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 4 NON-ISOLATED DC/DC CONVERTERS 12V Input / 0.9V – 5.0V Output / 5A ...

Page 5

... Note: All specifications are typical at nominal input, full load at 25° C unless otherwise stated. 3. di/dt = 0.5A/uS 25° C. 0.9V ~ 3.3V modules with 220µF/6.3V Tant cap (5.0V module with 100µF/10V tant cap). Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com d ...

Page 6

... Ta = 25° C. 0.9V ~ 3.3V modules with 220µF/6.3V Tant cap (5.0V module with 100µF/10V tant cap). ©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 6 NON-ISOLATED DC/DC CONVERTERS 12V Input / 0.9V – ...

Page 7

... General Specifications Vin=12V, full load and Ta=25° See graphs on pages 17-25. Control Specifications With remote on/off pin 1 open, the module is on. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com POWER PRODUCTS ...

Page 8

... OUTPUT CURRENT ©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 8 NON-ISOLATED DC/DC CONVERTERS 12V Input / 0.9V – 5.0V Output / 5A ...

Page 9

... OUTPUT CURRENT MODULE 1.0V 85% 80% 75% 70% 65% 60% 55% 50% 0.50 1.25 2.50 OUTPUT CURRENT Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 85% 80% 75% 10.8 70% 12 65% 13.2 60% 55% 50% 0.50 3.75 5.00 85% ...

Page 10

... Ta=25° C ©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 10 NON-ISOLATED DC/DC CONVERTERS 12V Input / 0.9V – 5.0V Output / 5A Ripple and noise at full load and 12Vdc input, 3.3Vdc output and Ta=25° ...

Page 11

... Ripple and noise at full load and 12Vdc input, 1.0Vdc output and Ta=25° C Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com POWER PRODUCTS Ripple and noise at full load and 12Vdc input, 1.2Vdc output and Ta=25° ...

Page 12

... Ta=25° C ©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 12 NON-ISOLATED DC/DC CONVERTERS 12V Input / 0.9V – ...

Page 13

... Ta=25° C Vout=1.8V 50% to 100% load transients at 12V input and Ta=25° C Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com POWER PRODUCTS Vout=2.5V 100% to 50% load transients at 12V input and Ta=25° C Vout=1.8V 100% to 50% load transients at 12V input and Ta=25° ...

Page 14

... Ta=25° C ©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 14 NON-ISOLATED DC/DC CONVERTERS 12V Input / 0.9V – ...

Page 15

... Ta=25° C Thermal Considerations Vin = 12V Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com Vout=0.9V 100% to 50% load transients at 12V input and Ta=25° C xRAH-05A1A0 0 ...

Page 16

... BP05xRAH-05A Thermal Considerations ©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 16 NON-ISOLATED DC/DC CONVERTERS 12V Input / 0.9V – 5.0V Output / 5A xRAH-05A1A0 2 ...

Page 17

... Trim Down Test Circuit xRAH-05A1A0 Trim Resistor Calculation 3.712 ( Rtrim up = – 0.261 Vo, adj – Vo Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com Trim Up Test Circuit Vo Trim Gnd ) Kohm ©2005 Bel Fuse Inc. ...

Page 18

... Rtrim up = Vo, adj – Vo ©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 18 NON-ISOLATED DC/DC CONVERTERS 12V Input / 0.9V – 5.0V Output / 5A ...

Page 19

... Rtrim down = – 8.47 Vo, adj – Vo 3.712 ( Rtrim up = – 3.83 Vo, adj – Vo Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com ) Kohm ) Kohm ©2005 Bel Fuse Inc. POWER PRODUCTS BP05xRAH-05A Specifications subject to change without notice. 03.05 ...

Page 20

... Vo, adj – Vo ©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 20 NON-ISOLATED DC/DC CONVERTERS 12V Input / 0.9V – 5.0V Output / 5A ...

Page 21

... Rtrim down = Vo, adj – Vo 3.712 ( Rtrim up = – 16.2 Vo, adj – Vo Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com ) Kohm ) Kohm ©2005 Bel Fuse Inc. POWER PRODUCTS BP05xRAH-05A Specifications subject to change without notice. 03.05 ...

Page 22

... Vo, adj – Vo ©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 22 NON-ISOLATED DC/DC CONVERTERS 12V Input / 0.9V – 5.0V Output / 5A ...

Page 23

... Rtrim down = – 17.94 Vo, adj – Vo 3.712 ( Rtrim up = – 13.3 Vo, adj – Vo Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com ) Kohm ) Kohm ©2005 Bel Fuse Inc. POWER PRODUCTS BP05xRAH-05A Specifications subject to change without notice. 03.05 ...

Page 24

... Vo, adj – Vo ©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 24 NON-ISOLATED DC/DC CONVERTERS 12V Input / 0.9V – 5.0V Output / 5A ...

Page 25

... Rtrim down = Vo, adj – Vo 3.712 ( Rtrim up = – 6.19 Vo, adj – Vo Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com ) Kohm ) Kohm ©2005 Bel Fuse Inc. POWER PRODUCTS BP05xRAH-05A Specifications subject to change without notice. 03.05 ...

Page 26

... POWER PRODUCTS BP05xRAH-05A Mechanical SRAH-05A 0.400 [10.16] 0.60 0.050 [15.24] [1.27] 0.70 [17.78] 0.012 [0.30] 0.050 [1.27] 0.100 [2.54] 0.400 4x [10.16] Dimensions are in inches [millimeters]. Standard dimension tolerance is ±0.005 [0.13] unless otherwise noted ©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • ...

Page 27

... ©2005 Bel Fuse Inc. FAR EAST Bel Fuse Ltd Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com POWER PRODUCTS BP05xRAH-05A 0.265 [6.73] min 0.020 [0.51 Specifications subject to change without notice. 03.05 EUROPE Bel Fuse Europe Ltd. ...

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