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SQE48T10120 DC-DC Converter
36-75 VDC Input; 12 VDC @ 10A Output
Data Sheet
Electrical Specifications (continued)
Conditions: T A = 25 oC, Airflow = 300 LFM (1.5 m/s), Vin = 48 VDC, Cin=33 μF, unless otherwise specified.
Parameter
Notes
Min
Typ
Max
Units
Input Characteristics
Operating Input Voltage Range
36
48
75
VDC
Input Undervoltage Lockout
Turn-on Threshold
Turn-off Threshold
Lockout Hysteresis Voltage
33
31
1.5
34
32
35
33
VDC
VDC
VDC
Maximum Input Current
Input Standby Current
Input No Load Current (No load on the output)
Po=120W @ 36VDC In
Vin = 48V, converter disabled
Vin = 48V, converter enabled
5
55
3.6
ADC
mA
mA
Input Reflected-Ripple Current,
Input Reflected-Ripple Current,
Input Voltage Ripple Rejection
ic
i S
Vin = 48V, 25 MHz bandwidth,
Po=120W
120 Hz
65
42
10
510
180
mA PK-PK
mA RMS
mA PK-PK
mA RMS
dB
Output Characteristics
Output Voltage Setpoint
V IN =48V, No load, Room temperature
11.88
12.12
VDC
Output Regulation
Over Line
Over Load
Output Voltage Range
Full load, Room temperature
V IN =48V, Room temperature
Over line, load and temperature
11.76
±10
±10
±24
±24
12.24
mV
mV
VDC
Output Ripple and Noise – 25 MHz bandwidth Full load + 10 μF tantalum + 1 μF ceramic
40
200
mV PK-PK
Admissible External Load Capacitance C EXT
ESR
Output Current Range
Full load (resistive)
0
TBD
0
5,000
TBD
10
μF
mOhm
ADC
Current Limit Inception
Peak Short-Circuit Current
RMS Short-Circuit Current
Non-latching
Non-latching, Short = 10 m ?
Non-latching
11
12
15
15
2.5
ADC
A
A
Dynamic Response
Load Change 50%-75%-50% of Iout Max,
di/dt = 0.1 A/μ s
Settling Time to 1% of Vout
Co = 10μF tantalum + 1μF ceramic
100
50
mV
μs
Efficiency
100% Load
50% Load
ZD-02075 Rev 1.1, 21-Jan-10
www.power-one.com
93
92.7
%
%
Page 3 of 13
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