VRAH-05BT50R datasheet, PDF - EEWORLD Datasheet

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VRAH-05BT50R: DescriptionDC-DC Regulated Power Supply Module, 1 Output, 6.25W, Hybrid, ROHS COMPLIANT PACKAGE-5; CategoryPower/power management The power supply circuit; File Size147KB，5 Pages; ManufacturerBel Fuse; Environmental Compliance

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VRAH-05BT50R Overview

DC-DC Regulated Power Supply Module, 1 Output, 6.25W, Hybrid, ROHS COMPLIANT PACKAGE-5

VRAH-05BT50R Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Bel Fuse
Parts packaging code	MODULE
package instruction	ROHS COMPLIANT PACKAGE-5
Contacts	5
Reach Compliance Code	compliant
ECCN code	EAR99
Analog Integrated Circuits - Other Types	DC-DC REGULATED POWER SUPPLY MODULE
Maximum input voltage	5.5 V
Minimum input voltage	4.5 V
Nominal input voltage	5 V
JESD-30 code	R-XSMA-P5
Number of functions	1
Output times	1
Number of terminals	5
Maximum output voltage	1.2625 V
Minimum output voltage	1.2375 V
Nominal output voltage	1.25 V
Package body material	UNSPECIFIED
Package shape	RECTANGULAR
Package form	MICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius)	240
Certification status	Not Qualified
surface mount	NO
technology	HYBRID
Terminal form	PIN/PEG
Terminal location	SINGLE
Maximum time at peak reflow temperature	NOT SPECIFIED
Maximum total power output	6.25 W
Fine-tuning/adjustable output	NO

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NON-ISOLATED DC/DC CONVERTER

5 Vdc Input Vref/2 / 5 A Output

xRAH-05BT50

•

Non-Isolated

RoHS Compliant

•

Rev.A

Remote On/Off

OCP/SCP

Low Profile Package (7.82 mm)

UL60950-1 Recognized (UL/cUL)

•

Fixed frequency (300 kHz)

•

Under-voltage lockout (UVLO)

•

Current Sink Capability

Description

The Bel xRAH-05BT50 is part of the low cost non-isolated dc/dc converter series. The converter is designed

specifically to provide bus termination voltage in application such as DDR (double data rate) memory where the

bus termination voltage must closely track the I/O bus voltage. The converter accepts a reference input and

programs its output voltage to 50% of the reference. The modules use a SMD or vertical mount package for ease

of layout and space savings.

Part Selection

Output

Voltage

Vref/2

Input

Voltage

Max. Output

Current

Max. Output

Power

6.25 W

Typical

Efficiency

82%

Part Number

Surface Mount

SRAH-05BT50

Part Number

Vertical Mount

VRAH-05BT50

Notes:

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

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

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

Absolute Maximum Ratings

Parameter

Input Voltage (continuous)

Output Enable Terminal Voltage

Ambient Temperature

Storage Temperature

Min

-0.3 V

-40

°C

-55

°C

Typ

Max

°C

125

°C

Notes

Input Specifications

Parameter

Input Voltage

Input Current (Source)

Input Current (Sink)

Input Current (No load)

Remote Off Input Current

Input Reflected Ripple Current

(rms)

Input Reflected Ripple Current

(pk-pk)

I t Inrush Current Transient

Vref Voltage

Turn-on Voltage Threshold

Turn Off Voltage threshold

Min

4.5 V

4.19 V

Typ

5.0 V

9 mA

30 mA

110 mA

0.02 A s

2.5 V

4.3 V

3.8 V

Max

5.5 V

-1.5 A

60 mA

15 mA

50 mA

140 mA

0.05 A s

4.5 V

4.49 V

Notes

Measured with simulated source

impedance of 500 nH, 5 Hz to 20 MHz;

& one 270 uF/16 V capacitor with ESR =

0.018 ohm max. at 100 kHz

Notes:

1. All tests are measured at Vref = 2.5 V.

2. All specifications are typical at 25

C unless otherwise stated.

Bel Fuse Inc.

206 Van Vorst Street, Jersey City, NJ 07302

•

Tel 201-432-0463

•

Fax 201-432-9542

•

www.belfuse.com

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