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PDF Q25S3.3-24 Data sheet ( Hoja de datos )

Número de pieza Q25S3.3-24
Descripción 25-30W DC/DC Converter
Fabricantes Beta Dyne 
Logotipo Beta Dyne Logotipo



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No Preview Available ! Q25S3.3-24 Hoja de datos, Descripción, Manual

bdeytnae
Key Features
Efficiency up to 87%
Low output noise
Six-sided shielding
Output synchronous rectification
Input-to-output isolation
Soft start
External synchronization
Short circuit protection
Thermal protection
Industry standard pinout
Q25
25-30W DC/DC Converter
2”×1”×0.45”
Low Noise, 4 to 1 Input Range, Single & Dual
Models
1
2
bdeytnae
9
8
3 Q25S12/48 7
4 MADE IN USA 6
5
Beta Dyne is protected under various patents, including but not limited to U.S. Patent numbers: 5,777,519; 6,188,276; 6,262,901; 6,452,818; 6,473,3171.
Functional Description
The Q25 series is a 25-30W low noise isolated converter, consisting of 14 standard single & dual output models
from 3.3VDC to 15 VDC and 4:1 input voltage range from 9V to 72V. Output synchronous rectification followed
by a very low dropout linear regulator made possible to achieve up to 87% efficiency and less than 5mV output
noise with external capacitors. Standard features include input undervoltage protection , external synchroniza-
tion and thermal protection. The converter is packaged in a 1 x 2 x .45’’ metal case with six-sided shielding.
BETA DYNE INC • WWW.BETA-DYNE.COM
Typical Block Diagram
Q25 DC/DC CONVERTER • Q25_DS_RevA.PDF • PAGE 1 OF 9
http://www.Datasheet4U.com/

1 page




Q25S3.3-24 pdf
FIGURE 4. Typical connection diagram for Q25D15/24.
Part list for Figure 4:
L1= 2.2µH
C3= 50µF@100V Electrolytic
C4=50µF@100V Electrolytic
C5,C6=47µF@20V Low ESR Tantalum
C7,C8=2.2µF@25V Ceramic Capacitor
CMC*= Typically Not Used, Common Mode Capacitor,
CMC= .01µF@Vcmc
Vcmc >= required isolation, voltage can be up to 1500Vdc max
FIGURE 5:
FIGURE 5: Output ripple of Q25D15/24 on +Vout as
shown in Figure 4.
FIGURE 6:
FIGURE 6: Output ripple of Q25D15/24 on +Vout with another
external cap of Nippon Chemi-Con 180µF@16V on
the +Vout. The part number is 16PS180MH11.
BETA DYNE INC • WWW.BETA-DYNE.COM
Q25 DC/DC CONVERTER • Q25_DS_RevA.PDF • PAGE 5 OF 9
http://www.Datasheet4U.com/

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