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Q25W Datasheet

25-30W DC/DC Converter

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Q25W pdf
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
Q25W
25-30W DC/DC Converter
2”×1”×0.45”
1 bdeytnae
2 Q25S12/48
3
MADE IN USA
4
9
8
7
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.
+Vin
4
ON/OFF
SYNC IN
-Vin
1
2
3
PWM &
SWITCHING
TRANSISTOR
GND
SYNCHRONOUS
RECTIFIERS
&
FILTER
LINEAR
REG
ERROR
OP-AM
VREF
6 +S
7 +Vout
8 -Vout
9 -S
5 V ADJ
BETA DYNE INC • WWW.BETA-DYNE.COM
www.DataSheet.in
Typical Block Diagram
Q25 DC/DC CONVERTER • Q25_DS_RevA.PDF • PAGE 1 OF 9
Beta Dyne
Beta Dyne



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