VRAH-08E1A00 Bel Fuse Inc, VRAH-08E1A00 Datasheet

VRAH-08E1A00

Manufacturer Part Number

VRAH-08E1A00

Description

CONV DC/DC 8A .8-3.63V OUT

Manufacturer

Bel Fuse Inc

Series

xRAH-08Er

Type

Point of Load (POL) Non-Isolated with Remote On/Off and UVLOr

Datasheet

1.SRAH-08E1A00.pdf (10 pages)

Specifications of VRAH-08E1A00

Output

0.8 ~ 3.63V

Number Of Outputs

Power (watts)

26W

Mounting Type

Through Hole

Voltage - Input

4.5 ~ 14V

Package / Case

5-SIP Module

1st Output

0.8 ~ 3.63 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

91%

Approvals

cUL, UL

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

3rd Output

2nd Output

Other names

VRAH-08E1A0

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Description

The Bel xRAH-08Exxx modules are a series of non-isolated, step down dc/dc converters that operate from 4.5

Vdc to14 Vdc source. These converters are available in a range of output voltages from 0.8 Vdc to 5.5 Vdc. It is

packaged in a compact, overmolded package rated at 8 A. Optional lead forming provides a vertical mount

product for minimal footprint or a surface mount option for a very low profile. The output is closely regulated and

the efficiency for 5 Vdc output is typically 93% at full load.

Part Selection

Absolute Maximum Ratings

Input Specifications

Notes: 1. Add “0” suffix at the end of the model number to indicate “Tube Packaging”, and “R” for “Reel

Input Voltage (continuous)

Output Enable Terminal Voltage

Ambient Temperature

Storage Temperature

Input Voltage

Input Current (full load)

Input Current (no load)

Remote Off Input Current

Input Reflected Ripple Current (pk-pk)

Input Reflected Ripple Current (rms)

0.8 V - 3.63 V

4.5 V - 5.5 V

•

NON-ISOLATED DC/DC CONVERTERS

4.5 Vdc - 14 Vdc Input

xRAH-08E Series

Voltage

Output

Non-Isolated

Fixed Frequency

High Efficiency

High Power Density

Low Cost

2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers.

Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com

Parameter

Packaging”, and “G” for “Tray Packaging”.

Parameter

4.5 V - 14 V

8 V - 14 V

Voltage

Input

Vo=0.9 V-3.63 V

Vo=4.5 V-5.5 V

Vo=5.0 V

=3.3 V

=2.5 V

=1.8 V

=1.5 V

=1.2 V

=0.9 V

Max. Output

RoHS Compliant

0.8 Vdc - 5.5 Vdc/8 A Output

Current

-40 °C

-55 °C

-0.3 V

8 A

Min

•

8.0 V

4.5 V

Min

Remote On/Off

Under-voltage Lockout (UVLO)

OCP/SCP

Wide Trim Range

UL60950-1 Recognized (UL/cUL)

Max. Output

250 mA

70 mA

3 mA

26.4 W

Typ

Power

44 W

Typ

100 mA

10 mA

5.4 A

6.7 A

5.3 A

3.2 A

3.0 A

2.8 A

2.0 A

14 V

Max

Rev.A

Efficiency

125 °C

Typical

85 °C

15 V

14 V

Max

91%

93%

With simulated source impedance of 500 nH,

5 Hz to 20 MHz; use two 47 uF/16 V low ESR

Tantalum capacitors.

Surface Mount

SRAH-08E1A0

SRAH-08E500

Part Number

Notes

Vertical Mount

VRAH-08E1A0

VRAH-08E500

Part Number

Related parts for VRAH-08E1A00

VRAH-08E1A00 Summary of contents

Page 1

... A =1 3 2 100 250 Typical Part Number Efficiency Surface Mount 91% SRAH-08E1A0 93% SRAH-08E500 Max Notes °C 125 °C Notes With simulated source impedance of 500 nH MHz; use two 47 uF/16 V low ESR Tantalum capacitors. Part Number Vertical Mount VRAH-08E1A0 VRAH-08E500 ...

Page 2

... Ripple and Noise (rms) Vo=3.3 V-0.9 V Ripple and Noise (pk-pk) Vo=3.3 V-0.9 V Turn on Time Overshoot at Turn on Output Capacitance Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 0.8 Vdc - 5.5 Vdc/8 A Output Min Typ Max 2 - ...

Page 3

... The output voltage is 5 trim pin is open. Control Specifications Parameter Remote On/Off Signal Low (Unit Off) Signal High (Unit On) Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 0.8 Vdc - 5.5 Vdc/8 A Output Min Typ - 200 mV ...

Page 4

... R − − trim adj o Note: Output voltage Vo=5 V when Rtrim_up is not connected. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 0.8 Vdc - 5.5 Vdc/8 A Output − 631 . 0 261 100 − 631 ...

Page 5

... Output Current (A) Vo=1.5 V Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 0.8 Vdc - 5.5 Vdc/8 A Output 100.0% 8.0 V 12 100.0% 4.5 V 8 ...

Page 6

... NON-ISOLATED DC/DC CONVERTERS 4.5 Vdc - 14 Vdc Input Thermal Derating Curves VRAH-08E1A0 VRAH-08E500 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 0.8 Vdc - 5.5 Vdc/8 A Output SRAH-08E1A0 SRAH-08E500 ...

Page 7

... Vdc Input, 2.5 Vdc Output Note: Ripple and noise at full load, with a 1uF ceramic cap and a 10uF tan cap, Ta=25 deg C. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 0.8 Vdc - 5.5 Vdc/8 A Output 12 Vdc Input 1 ...

Page 8

... Vdc Input 1.5 Vdc Output 50% to 100% load 12 Vdc Input 1.8 Vdc Output Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 0.8 Vdc - 5.5 Vdc/8 A Output 100% to 50% load 12 Vdc Input 0.9 Vdc Output 100% to 50% load 12 Vdc Input 1 ...

Page 9

... Note: Transient response at di/dt=0.5 A/uS, with a 1uF ceramic cap and a 10 uF/10 V tan cap at the output, Ta=25 deg C. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 0.8 Vdc - 5.5 Vdc/8 A Output 100% to 50% load 12 Vdc Input 2 ...

Page 10

... NON-ISOLATED DC/DC CONVERTERS 4.5 Vdc - 14 Vdc Input Mechanical Outline SRAH-08Exxx VRAH-08Exxx bel RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. These parts are not however compatible with the higher temperatures associated with lead free solder processes and must be soldered using a reflow profile with a peak temperature of no more than 240 º ...

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