GAQW3V330 Datasheet, PDF (2/7 Pages) Galaxy Power, Inc. – 48V Input, 3.3VDC, 30A Output

General Specifications
V_IN = 48V_DC, T_A@25° C, 300 LFM Airflow, V_OUT=3.3V_DC, I_OUT = Full Load unless otherwise noted.
Available output power depends on ambient temperature and good thermal management. (See application graphs for limits.)
Input Characteristics
Parameter
Min
Typ
Max
Units
Operating Input Voltage
Input Current
36
48
75
V_DC
3.5
A
Input Capacitance
3
µF
Input Hysteresis, Low Line
Output Characteristics
2
V_DC
Regulation Over Line, Load & Temperature
3.234
3.366
V
Voltage Ripple
Voltage Ripple, 20MHz BW
Current Range
20
mV_RMS
60
mV_P–P
0
30
A
Current Limit Inception
30.9
42
A
Short Circuit Current, Peak¹
45
A
Output Transient Response, 50% to 75% load change, 1A/µsec²
Settling Time to ± 1%
16
200
%V_OUT
µS
Turn-on Time to 98%Vnom
25
mS
Output Overshoot at Turn-on
Trim Range
Overvoltage Protection, Latching
Isolation
0
%V_OUT
70
110
%V_OUT
130
%V_OUT
Isolation Test Voltage, Input/Output (Basic)
2250
V_DC
Isolation Resistance
10
MΩ
Features
Overtemperature Protection, Thermal Sensor, Latching³
110
°C
Switching Frequency, Fixed
250
kHz
Notes:
1. During short circuit, converter will shut down and attempt to restart once per second. The average current during this condition will be very low
and the device can be safely left in this condition continuously.
2. Limited by output energy storage. For improved performance see Tuned (T) model information.
3. PCB less than 130° C
General Specifications
Operating Temperature
Storage Temperature
Relative Humidity
–40° C to +100° C
–55° C to +125° C
10% to 95% RH,
Non-condensing
Vibration
2 to 9Hz, 3mm disp.,
9 to 200Hz, 1g
Material Flammability
UL V-0
Weight
27 grams
MTBF Telcordia (Bellcore) 2.2 million hours
Approvals and Standards
UL and c-UL Recognized Component, TUV**,
UL60950, CSA 22.2 No. 950, IEC/EN 60950
EMC Characteristics:
Designed to meet emission and immunity
requirements per EN55022, CISPR 22, Class B,
and CISPR 24.
** An external fuse shall be used to comply with the requirements.
GAQW3V330 – 2
WWW.GALAXYPWR.COM
Part No. 02-GAQ-02 Rev. 3.0 – 041405
Galaxy Power Inc. 155 Flanders Road Westborough, MA 01581 Telephone: [phone] Fax: [phone] e-mail: [e-mail]