SRDB-20E33HR Bel Fuse Inc, SRDB-20E33HR Datasheet

SRDB-20E33HR

Manufacturer Part Number

SRDB-20E33HR

Description

CONV DC/DC 20A 3.3V OUT SMD

Manufacturer

Bel Fuse Inc

Series

SRDB-20ExxHr

Type

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

Datasheet

1.SRDB-20E12HG.pdf (11 pages)

Specifications of SRDB-20E33HR

Output

3.3V

Number Of Outputs

Power (watts)

66W

Mounting Type

Surface Mount

Voltage - Input

5.8 ~ 13.2V

Package / Case

12-DIP SMD Module

1st Output

3.3 VDC @ 20A

Size / Dimension

1.22" L x 0.83" W x 0.35" H (30.99mm x 21mm x 8.76mm)

Power (watts) - Rated

66W

Operating Temperature

-40°C ~ 85°C

Efficiency

92%

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

3rd Output

2nd Output

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Description

The Bel SRDB-20ExxH is part of the non-isolated dc/dc converter Power Module series. The modules use a DIP

package for ease of layout and space savings. The output is closely regulated and the efficiency of 5 Vdc output

module is typically 94% at full load.

Part Selection

Absolute Maximum Ratings

Input Specifications

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

Input Voltage (continuous)

Output Enable Terminal Voltage

Ambient Temperature

Storage Temperature

Input Voltage

Input Current (full load)

NON-ISOLATED DC/DC CONVERTERS

5.4 Vdc - 13.2 Vdc Input

•

SRDB-20ExxH Series

Voltage

Output

5.0 V

3.3 V

2.5 V

1.8 V

1.5 V

1.2 V

1.0 V

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

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

Non-Isolated

OCP/SCP/OVP

Low Profile Package

Remote On/Off (Active High)

numbers.

Packaging”.

Parameter

Vo=1.0-2.5 V

Input Voltage

8.0 V - 13.2 V

5.8 V - 13.2 V

5.4 V - 13.2 V

Vo=5.0 V

Vo=3.3 V

=5.0 V

=3.3 V

=2.5 V

=1.8 V

=1.5 V

=1.2 V

=1.0 V

1.0 Vdc - 5.0 Vdc Output / 20 A

-40 °C

-0.3 V

5.8 V

5.4 V

Min

8 V

Max. Output

RoHS Compliant

Current

20 A

•

Wide Input

Remote Sense

Under-Voltage Lockout

(UVLO)

Typ

Max. Output

Power

100 W

66 W

50 W

36 W

30 W

24 W

20 W

Rev.A

125 °C

13.2 V

15.1 A

14.1 A

13.3 A

10.4 A

85 °C

8.4 A

6.9 A

5.9 A

16 V

Max

Efficiency

Typical

94%

92%

91%

88%

87%

85%

84%

Model Number

SRDB-20E50H

SRDB-20E33H

SRDB-20E25H

SRDB-20E18H

SRDB-20E15H

SRDB-20E12H

SRDB-20E10H

Notes

Related parts for SRDB-20E33HR

SRDB-20E33HR Summary of contents

Page 1

... Remote On/Off (Active High) Description The Bel SRDB-20ExxH is part of the non-isolated dc/dc converter Power Module series. The modules use a DIP package for ease of layout and space savings. The output is closely regulated and the efficiency of 5 Vdc output module is typically 94% at full load. ...

Page 2

... V O Regulation Over Temperature (-40 °C to +85 ° Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 1.0 Vdc - 5.0 Vdc Output / 20 A Min Typ =5 200 mA =3 150 mA =2 135 mA =1 120 mA =1 100 mA =1 ...

Page 3

... Test conditions of the output ripple and noise: two 270 uF/16 V capacitors with ESR=0.018 ohm max at the input; Vin=8 V, Io=20 A; 0-20 MHz BW. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 1.0 Vdc - 5.0 Vdc Output / 20 A ...

Page 4

... Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 1.0 Vdc - 5.0 Vdc Output / 20 A Min Typ 91% 94% 89% 92% 88% 91% 85% ...

Page 5

... Output Current (A) Vo=1.5V Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 1.0 Vdc - 5.0 Vdc Output / 20 A 100.0% 8.0 V 10 92.0% 88.0% 5.4 V 84.0% 8 ...

Page 6

... Thermal Derating Curves SRDB-20E10H (Vin=8 V) SRDB-20E15H (Vin=8 V) SRDB-20E25H (Vin=8 V) Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 1.0 Vdc - 5.0 Vdc Output / 20 A SRDB-20E50H (Vin=8 V) SRDB-20E12H (Vin=8 V) SRDB-20E18H (Vin=8 V) SRDB-20E33H (Vin=8 V) ...

Page 7

... Ripple and noise at max load 2.5 Vdc output Ripple and noise at max load 1.5 Vdc output . Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 1.0 Vdc - 5.0 Vdc Output / 20 A Ripple and noise at max load 3.3 Vdc output Ripple and noise at max load 1 ...

Page 8

... Transient Response Waveforms Transients 50% to 100% load 5 Vdc output Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com 1.0 Vdc - 5.0 Vdc Output / 20 A Ripple and noise at max load 1.0 Vdc output ...

Page 9

... Transients 50% to 100% load 2.5 Vdc output Transients 50% to 100% load 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 1.0 Vdc - 5.0 Vdc Output / 20 A Transients 100% to 50% load 3.3 Vdc output Transients 100% to 50% load 2 ...

Page 10

... Transients 50% to 100% load 1.0 Vdc output Note: Transient response input, di/dt=0.5 A/uS, with external 680 uF tantalum capacitor, 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 1.0 Vdc - 5.0 Vdc Output / 20 A Transients 100% to 50% load 1 ...

Page 11

... Vin 8 Ground 9 Ground 10 Remote On/Off 11 Trim 12 Remote Sense (+) © 2007 Bel Fuse Inc. Specifications subject to change without notice. 031907 EUROPE Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com ...

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