GALW9V647 Datasheet, PDF (1/8 Pages) Bel Fuse Inc. – SIRIUS DC/DC CONVERTER

SIRIUS DC/DC CONVERTER
48V Input – 9.6VDC – 47A Output
GALW9V647 – ¹/4 Brick Sirius
• High efficiency: 93.5% at 9.6V, 47A

94.5% at 9.6V, 23.5A
• Very low common-mode noise for a
commercial DC/DC converter
• Two-stage input filter
• Constant switching frequency
• Single board design, very low parts count
• “Stretched” quarter-brick 1.45" x 4.25" x 0.95"
including integrated heat sink
POWER PRODUCTS
GALW9V647
Typical Characteristics
• Output setpoint accuracy: ± 5%
• Load regulation: ± 2%
• Line regulation: ± 0.2%
• Regulation over line, load, and temperature: ± 10%
• Low output ripple
• Output trim
Control Functions
• Uses patented power supply control and architecture
• Microprocessor controlled
• Primary-side enable, choice of logic
Protection Features
• Over temperature protection
• Over voltage protection
• Over current protection
• Over/Under input voltage protection
Ordering Information
Standard Model
Number
GALW9V647*
Input
Voltage
48V
Output
Voltage
9.6V
Max
Current
47A
* Options:
E = 0.18" Pins (± .01")
Note: Standard unit is positive logic and
requires 2000µF of output load
capacitance for stability.
Example Part Number:
(All options)

GALW9V647 E
Part Number
Options:
Pin Length
E = 0.18"
©2008 Bel Fuse Inc. Specifications subject to change without notice. 07.08
Bel Power Inc. 155 Flanders Road, Westborough, MA 01581 • Tel [phone] • Fax [phone] • www.belpower.com
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