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Power-One - Overvoltage Protection

Numéro de référence QAS050ZG
Description Overvoltage Protection
Fabricant Power-One 
Logo Power-One 





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QAS050ZG fiche technique
(888) IPD-CONVerters q (888) 473-2668 q www.ipdconverters.com
QAS SERIES - 50 WATT
DESCRIPTION
FEATURES
QAS DC/DC converters are designed to provide
higher output voltages for telecom and industrial
applications. The QAS features remote sense for
accurate point of load regulation, five-sided shielding,
and 1500 VDC isolation. The QAS also provides
output voltage trim, overcurrent, short circuit, and
overvoltage protection, allowing use in a wide range of
applications.
• Overvoltage Protection
• Wide Range Input
• Short Circuit Protection
• 5-Sided Shielding
• Remote Enable
• 1500V Isolation
• Remote Sense and
Voltage Trim
Efficiency vs. Load (48V Input)
95
90
85 QAS060Z57
EFF. (36v)
EFF. (48v)
80
EFF. (75v)
TECHNICAL SPECIFICATIONS
75
10 20 30 40 50 60 70 80 90 100
LOAD %
Voltage Range
48 VDC Nominal
Reflected Ripple
Input Reverse Voltage Protection
Input Undervoltage Lockout
Turn On
Turn Off
Input
36 - 72 VDC
50 mA
Shunt Diode
34 VDC
30 VDC
Output
Setpoint Accuracy
±1%
Line Regulation Vin Min. - Vin Max., Iout Rated
Load Regulation Iout Min. - Iout Max., Vin Nom.
Minimum Output Current
Dynamic Regulation, Loadstep
Pk Deviation 57V and 60V Outputs
Pk Deviation 5V Outputs
Settling Time
Voltage Trim Range
±0.2% Vout
±0.2% Vout
10 % Iout, Rated
25% Iout
8% Vout
4% Vout
500 µs
±10%
Ripple and Noise, RMS, 100 MHz BW, 5V Output
100 mV Pk-Pk
Ripple and Noise, RMS, 100 MHz BW, 57V and 60V Outputs 200 mV Pk-Pk
Short Circuit / Overcurrent Protection
Shutdown / Hiccup
Current Limit Threshold Range, % of Iout Rated
OVP Trip Range
OVP Type
110 - 130%
120 - 140% Vout Nom.
Second Control Loop
General
Turn-On Time 5V Output
Turn-On Time 57V and 60V Outputs
Remote Shutdown
Switching Frequency
Isolation
Input - Output
Input - Case
Output - Case
Temperature Coefficient
Case Temperature
Operating Range
Storage Range
Humidity Max., Non-Condensing
Vibration, 3 Axes, 5 Min Each
MTBF(Bellcore TR-NWT-000332)
Safety
Weight (Approx.)
10 ms
15 ms
Positive Logic
300 kHz
1500 VDC
1050 VDC
500 VDC
0.03%/°C
-25 To +85°C
-40 To +125°C
95%
5g
Consult Factory
Consult Factory
4.0 oz
Notes
1 For negative logic, add suffix “N” to model number.
MTBF predictions may vary slightly from model to model.
Specifications typically at 25°C, normal line, and full load, unless otherwise
stated.
Soldering Conditions: I/O pins, 260°C, ten seconds; fully compatible with
commercial wave-soldering equipment.
Safety: Agency approvals may vary from model to model. Please consult factory
for specific model information.
C-28

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