Q48SK12025NRFH Delta Electronics, Q48SK12025NRFH Datasheet - Page 2

• Manufacturer Part Number: Q48SK12025NRFH
• Description: CONV DC/DC 25A 48V/IN 12V/O NEG
• Manufacturer: Delta Electronics
• Series: DELPHIr
• Type: Isolated with Remote On/Off and UVLOr

Specifications of Q48SK12025NRFH

• Output: 12V
• Number Of Outputs: 1
• Power (watts): 300W
• Mounting Type: Through Hole
• Voltage - Input: 48V
• Package / Case: 6-DIP Module, 1/4 Brick
• 1st Output: 12 VDC @ 25A
• Size / Dimension: 2.28" L x 1.45" W x 0.50" H (57.9mm x 36.8mm x 12.7mm)
• Power (watts) - Rated: 300W
• Operating Temperature: -40°C ~ 112°C
• Efficiency: 95.2%
• Approvals: cUL, UL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 2nd Output: -
• 4th Output: -
• Other names: 941-1012

DS_Q48SK12025_07012010
TECHNICAL SPECIFICATIONS
(T
PARAMETER
ABSOLUTE MAXIMUM RATINGS
INPUT CHARACTERISTICS
OUTPUT CHARACTERISTICS
DYNAMIC CHARACTERISTICS
EFFICIENCY
ISOLATION CHARACTERISTICS
FEATURE CHARACTERISTICS
GENERAL SPECIFICATIONS
A
Over-Temperature Shutdown
Operating Input Voltage
Input Under-Voltage Lockout
Maximum Input Current
No-Load Input Current
Off Converter Input Current
Inrush Current (I
Input Reflected-Ripple Current
Input Voltage Ripple Rejection
Output Voltage Set Point
Output Voltage Regulation
Total Output Voltage Range
Output Voltage Ripple and Noise
Operating Output Current Range
Output DC Current-Limit Inception
Output Voltage Current Transient
Turn-On Transient
100% Load
60% Load
Input to Output
Isolation Resistance
Isolation Capacitance
Switching Frequency
ON/OFF Control, Negative Remote On/Off logic
ON/OFF Control, Positive Remote On/Off logic
Output Over-Voltage Protection
Weight(without heat spreader)
Weight(with heat spreader)
Over-Temperature Shutdown ( Without heat spreader)
=25°C, airflow rate=300 LFM, V
Input Voltage
Operating Hot Spot Temperature (Without heat spreader)
Operating Case Temperature (With heat spreader)
Storage Temperature
Input/Output Isolation Voltage
Maximum Output Capacitance
MTBF(with heat spreader)
Transient
Continuous
Turn-On Voltage Threshold
Turn-Off Voltage Threshold
Lockout Hysteresis Voltage
Over Load
Over Line
Over Temperature
Peak-to-Peak
RMS
Negative Step Change in Output Current
Settling Time (within 1% Vout nominal)
Start-Up Time, From On/Off Control
Start-Up Time, From Input
Logic Low (Module On)
Logic High (Module Off)
Logic Low (Module Off)
Logic High (Module On)
ON/OFF Current (for both remote on/off logic)
Leakage Current (for both remote on/off logic)
Positive Step Change in Output Current
2
t)
(With heat spreader)
in
=48Vdc, nominal Vout unless otherwise noted;
48V, 10µF Tan & 1µF Ceramic load cap, 0.1A/µs
Io=100% of Io, max; Tc=40°C;Airflow=600LFM
NOTES and CONDITIONS
Over full temp range; % of nominal Vout
over sample load, line and temperature
Full Load, 1µF ceramic, 10µF tantalum
Full Load, 1µF ceramic, 10µF tantalum
P-P thru 12µH inductor, 5Hz to 20MHz
Refer to figure 18 for measuring point
Refer to figure 20 for measuring point
Refer to figure 18 for measuring point
Refer to figure 20 for measuring point
Vin=48V, Io=Io,min to Io,max
Vin=48V, Tc=-40°C to 85°C
50% Io.max to 75% Io.max
75% Io.max to 50% Io.max
Vin=36V to 75V, Io=Io min
5Hz to 20MHz bandwidth
Output Voltage 10% Low
Von/off at Ion/off=1.0mA
Von/off at Ion/off=0.0 µA
Von/off at Ion/off=1.0mA
Von/off at Ion/off=0.0 µA
Logic High, Von/off=15V
Vin=48V, Io=0, Tc=25°C
Ion/off at Von/off=0.0V
100% Load, 36Vin
Vin=48V, Io=0A
Vin=48V, Io=0A
Full load;
Vin=48V
Vin=48V
120 Hz
100ms
Q48SK12025 (Standard)
Min.
32.0
30.0
11.4
11.2
110
115
-40
-40
-55
36
10
0
0
2
0
2
±100
1000
±30
±50
Typ.
34.0
32.0
11.7
95.2
94.7
50.5
65.5
160
300
300
300
160
126
122
-30
2.6
48
10
10
70
80
2
20000
Max.
2250
2250
36.0
34.0
12.0
±80
12.0
100
118
112
125
120
140
140
0.8
0.8
80
75
11
50
25
50
50
50
1
1
M hours
grams
grams
Units
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
kHz
mA
mA
A
mA
mV
mV
mV
mV
mV
mV
mV
MΩ
mA
ms
ms
°C
°C
°C
dB
µs
µF
pF
uA
°C
°C
%
%
%
%
A
V
A
V
V
V
2
s
2