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Q54SG Datasheet, PDF (2/26 Pages) Delta Electronics, Inc. – Industry standard, DOSA compliant pin out
TECHNICAL SPECIFICATIONS
(TA=25°C, airflow rate=300 LFM, Vin=54Vdc, nominal Vout unless otherwise noted.)
PARAMETER
NOTES and CONDITIONS
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
Transient (100ms)
On/off Pin Voltage
Other Pin Voltage
Operating Ambient Temperature
Storage Temperature
Input/Output Isolation Voltage
INPUT CHARACTERISTICS
Operating Input Voltage
Input Under-Voltage Lockout
Turn-On Voltage Threshold
Turn-Off Voltage Threshold
Lockout Hysteresis Voltage
Maximum Input Current
No-Load Input Current
Off Converter Input Current
Inrush Current(I2t)
Start up Current
Input Terminal Ripple Current
Input Reflected-Ripple Current
Input Voltage Ripple Rejection
OUTPUT CHARACTERISTICS
Output Voltage Set Point(without current sharing)
Output Voltage Set Point(with current sharing)
Output Voltage Set Point(with current sharing)
Output Voltage Regulation
Over Load(without current sharing)
Over Load(with current sharing)
Over Line
Over Temperature
Total Output Voltage Range (without current sharing)
Total Output Voltage Range (with current sharing)
Output Voltage Ripple and Noise
Peak-to-Peak
RMS
Operating Output Current Range
Output DC Current-Limit Inception
Output Voltage Trim Range
DYNAMIC CHARACTERISTICS
Output Voltage Current Transient
Positive Step Change in Output Current
Negative Step Change in Output Current
Setting Time (within 1% Vout nominal)
Turn-On Transient
Start-up delay time by On/off, from On/off to 10%Vo.set
Start-up delay time by Vin, from Input to 10%Vo.set
Output rise time, from 10%Vo.se to 90%Vo.set
Output Capacitance
EFFICIENCY
60% Load(without current sharing)
100% Load(without current sharing)
60% Load(with current sharing)
100% Load(with current sharing)
ISOLATION CHARACTERISTICS
Input to Output
Isolation Resistance
Isolation Capacitance
FEATURE CHARACTERISTICS
Switching Frequency
ON/OFF Control
Logic Low
Logic High
ON/OFF Current (for both remote on/off logic)
ON/OFF Current (for both remote on/off logic)
Leakage Current (for both remote on/off logic)
Output Voltage Trim Range
Output Over-Voltage Protection
100ms
Trim/Current Sharing, C2, Data, SMBAlert, Clock, Addr1,
Addr0
Vin=40V, 100% Load,
With 100uF external input capacitor
Peak, 100% Load, With 5000uF Co
RMS, With 100uF input cap.
P-P thru 12µH inductor, 5Hz to 20MHz
120 Hz
Vin=54, Tc=25°C
Vin=54V, Io=Io.min, Tc=25°C
Vin=54V, Io=Io.max, Tc=25°C
Io=Io,min to Io,max
Vo at Iomin - Vo at Iomax under 25°C
Vin=40V to 60V,100% Load
Tc=-40°C to 125°C
over sample load, and temperature, from 40~60V Vin
over sample load, and temperature, from 40~60V Vin
5Hz to 20MHz bandwidth
Full Load, 1µF ceramic, 10µF tantalum
Full Load, 1µF ceramic, 10µF tantalum
Full input voltage range
Output Voltage 10% Low
Vin=54V
54V, 10µF Tan & 1µF Ceramic load cap, 0.1A/µs
50% Io.max to 75% Io.max
75% Io.max to 50% Io.max
Vin=54V, with current sharing / without current sharing
Vin=54V, with current sharing / without current sharing
Vin=54V, with current sharing / without current sharing
Vin=54V
Vin=54V
Vin=54V
Vin=54V
Von/off
Von/off
Ion/off at Von/off=0.0V
Ion/off at Von/off=2.4V
Logic High, Von/off=15V
Vin=54V, Pout ≦ max rated power
Over full temp range; % of nominal Vout
Min.
-50
-0.3
-40
-55
40
38.8
37
1
11.88
12.1
11.85
-60
200
11.7
11.6
0
110
-20
220
10
-0.7
2.4
10
-20
14
Q54SG12050
Typ.
Max.
39.4
37.7
15.7
90
18
15
0.85
70
50
12
12.125
11.875
250
30
-120
150
60
60
70
50
3.6
85
125
2250
60
39.8
38.2
3
15.9
135
23
1
20
1
100
12.12
12.15
11.9
60
300
12.3
12.4
250
100
50
140
10
250
250
110/70
120/80
200/25
96.7
96
96.3
95.8
1500
130
450
450
300
150/100
160/110
16000
2250
0.8
50
0.5
50
10
17
Units
Vdc
Vdc
V
V
°C
°C
Vdc
Vdc
Vdc
Vdc
Vdc
A
mA
mA
A2s
A
A
mA
dB
Vdc
Vdc
Vdc
mV
mV
mV
mV
V
V
mV
mV
A
%
%
mV
mV
µs
ms
ms
ms
µF
%
%
%
%
Vdc
MΩ
pF
kHz
V
V
mA
µA
µA
%
V
2
DS_Q54SG12050_09092016