PISCES II DC/DC CONVERTERS
48V Input – 1.2VDC – 60A Output
POWER PRODUCTS
G2PW1V260
1
G2PW1V260 – /4 Brick Pisces II Series
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Industry standard pinout and footprint
Very low dissipation
No heat sink required for most applications
Low profile, 0.38"
High efficiency: 86% at 1.2V, 60A; 88% at 1.2V, 30A
Very low common-mode noise for a commercial DC/DC converter
Two-stage input filter
Constant switching frequency
Remote sense, wide trim range
Single board design, very low parts count
Optional baseplate or low profile heat sink for improved thermal performance
Header with M3 metal inserts for mechanical connection to PCB
Control Functions
Typical Characteristics
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Uses patented power supply control and architecture
Microprocessor controlled
Primary-side enable, choice of logic
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Output setpoint accuracy: 1%
Load regulation: 0.2%
Line regulation: 0.2%
Regulation over line, load,
and temperature: 2%
Low output ripple
Protection Features
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Over temperature protection
Over voltage protection
Over current protection
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Output trim
Over/Under input voltage protection
Example Part Number: (All options)
G2PW1V260 PSRT 00X
Ordering Information
Part Number
Options:
Positive Logic Version
Standard Model Number Input Voltage Output Voltage Max Current
G2PW1V260*
48V
1.2V
60A
Optional Pin Lengths
E = 0.18" Pins ( .01")
M = 0.145" Pins ( .01")
S = 0.12" Pins ( .01")
* Options:
P = Positive Logic Version;
R = Heat Sink Ready
T = Tuned model**
E = 0.18"
M = 0.145"
S = 0.12"
High = On
Heat Sink Ready
Tuned Model
Heat Sink
Pisces II Heat Sink
Part Numbers
Typical Thermal Performance
** T (Tuned Model) Option
Designed for higher di/dt and ∆l
Part
Natural Convection
Power Dissipation†
Forced Convection
Thermal Resistance‡
Height
Number
applications, the transient response has
been modified to take advantage of the
capacitance on the customer’s PCB. This
unit requires a minimum load capacitance
of 5600µF with an impedance magnitude
of less than 0.005Ω at 15kHz. It offers
a minmum 3X improvement in the peak
response compared to a standard unit.
Consult factory.
001
002
003
004
005
0.25"
0.50"
1.00"
0.13"
0.70"
5W
7W
5.8 C/W
˚
3.2 C/W
˚
11W
TBD
TBD
2.0 C/W
˚
TBD
TBD
† @ 60 C rise heat sink to ambient
‡ @ 300'/min.
˚
©2006 Bel Fuse Inc. Specifications subject to change without notice. 11.06
Bel Power Inc. 155 Flanders Road, Westborough, MA 01581 • Tel 508-870-9775 • Fax 508-870-9796 • www.belpower.com
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