GLDW34V03 Datasheet, PDF (1/8 Pages) Bel Fuse Inc. – DORADO HV DC/DC CONVERTER

DORADO HV DC/DC CONVERTER
48V Input – 34VDC – 3A Output
GLDW34V03 – ¹/4 Brick Dorado HV
• Industry standard pinout and footprint
• High efficiency: 87% at 34V, 3A; 89% at 34V, 1.5A
• Droop feature allows current sharing
• Very low common-mode noise for a commercial DC/DC converter
• Two-stage input filter
• Constant switching frequency
• Remote sense
• Single board design
• Optional low profile heat sink for improved thermal performance
• Header with M3 metal inserts for mechanical connection to PCB
POWER PRODUCTS
GLDW34V03
Control Functions
• Compatible with fan turn-on
requirements
• Designed to be stable with
high capacitance load
• Uses innovative control and power
topology for lower parts count
• Microprocessor controlled
• Primary-side enable, choice of logic
Ordering Information
Standard Model Number Input Voltage
GLDW34V03*
48V
Protection Features
• Over temperature protection
• Over voltage protection
• Over current protection
• Over/Under input voltage protection
Typical Characteristics
• Output setpoint accuracy: ± 0.2%
• Load regulation: – 0.77V/A untrimmed
• Line regulation: ± 0.2%
• Low output ripple
• Output trim
Output Voltage Max Current
34V
3A
Example Part Number:
(All options)
GLDW34V03 PSR 0 0 X 1 2 3
* Options:
P = Positive Logic Version;
High = On
E = 0.18" Pins (± .01") S = 0.12" Pins (± .01")
M = 0.145" Pins (± .01") R = Heat Sink-Ready
Dorado HV Heat Sink
Part Numbers
Typical Thermal Performance
Part
Number
Height
Natural Convection Forced Convection
Power Dissipation^† Thermal Resistance^‡
001
0.25"
002
0.50"
003
1.00"
004
0.13"
† @ 60˚ C rise heat sink to ambient
5W
7W
11W
TBD
‡ @ 300'/min.
5.8˚ C/W
3.2˚ C/W
2.0˚ C/W
TBD
Part Number
Options:
Positive Logic Version
Optional Pin Lengths
E = 0.18"
M = 0.145"
S = 0.12"
Heat Sink-Ready
Heat Sink
001 = 0.25"
002 = 0.50"
003 = 1.00"
004 = 0.13"
Latched
OVP and OTP latch immediately
OCP latches after 3 seconds
©2006 Bel Fuse Inc. Specifications subject to change without notice. 11.06
Bel Power Inc. 155 Flanders Road, Westborough, MA 01581 • Tel [phone] • Fax [phone] • www.belpower.com
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