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MQFL-28VE-28S Datasheet(PDF) 3 Page - SynQor Worldwide Headquarters

Part # MQFL-28VE-28S
Description  HIGH RELIABILITY DC-DC CONVERTER
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Manufacturer  SYNQOR [SynQor Worldwide Headquarters]
Direct Link  http://www.synqor.com
Logo SYNQOR - SynQor Worldwide Headquarters

MQFL-28VE-28S Datasheet(HTML) 3 Page - SynQor Worldwide Headquarters

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Product # MQFL-28VE-28S
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005099 Rev. 1
04/22/09
Page 3
Output:
Current:
28V
3.3A
MQFL-28VE-28S
technical Specification
MQFL-28VE-28S ELECTRICAL CHARACTERISTICS
Parameter
Min. Typ. Max. Units Notes & Conditions
Group A
Vin=28V dc ±5%, Iout=3.3A, CL=0µF, free running (see Note 10)
boost-converter non-operational unless otherwise specified
Subgroup
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Non-Operating
100
V
Operating
100
V
See Note 1
Reverse Bias (Tcase = 125ºC)
-0.8
V
Reverse Bias (Tcase = -55ºC)
-1.2
V
Isolation Voltage (I/O to case, I to O)
Continuous
-500
500
V
Transient (≤100µs)
-800
800
V
Operating Case Temperature
-55
135
°C
See Note 2
Storage Case Temperature
-65
135
°C
Lead Temperature (20s)
300
°C
Voltage at ENA1, ENA2
-1.2
50
V
INPUT CHARACTERISTICS
Operating Input Voltage Range
16
28
70
V
Continuous
1, 2, 3
"
5.5
28
80
V
Transient, 1s; see Under-Voltage Transient Profile
4, 5, 6
Input Under-Voltage Lockout
See Note 3
Turn-On Voltage Threshold
14.75
15.50
16.00
V
1, 2, 3
Turn-Off Voltage Threshold
13.80
14.40
15.00
V
1, 2, 3
Lockout Voltage Hysteresis
0.50
1.10
1.80
V
1, 2, 3
Input Over-Voltage Shutdown
See Note 15
Turn-Off Voltage Threshold
90.0
95.0
100.0
V
1, 2, 3
Turn-On Voltage Threshold
82.0
86.0
90.0
V
1, 2, 3
Shutdown Voltage Hysteresis
3.0
9.0
15.0
V
1, 2, 3
Maximum Input Current
7.5
A
Vin = 16V; Iout = 3.3A
1, 2, 3
No Load Input Current (operating)
110
160
mA
1, 2, 3
Disabled Input Current (ENA1)
2
5
mA
Vin = 16V, 28V, 70V
1, 2, 3
Disabled Input Current (ENA2)
25
50
mA
Vin = 16V, 28V, 70V
1, 2, 3
Input Terminal Current Ripple (pk-pk)
80
120
mA
Bandwidth = 100kHz – 10MHz; see Figure 14
1, 2, 3
OUTPUT CHARACTERISTICS
Output Voltage Set Point (Tcase = 25ºC)
27.72
28.00
28.28
V
Vout at sense leads
1
Output Voltage Set Point Over Temperature
27.60
28.00
28.40
V
"
2, 3
Output Voltage Line Regulation
-20
0
20
mV
" ; Vin = 16V, 28V, 70V; Iout=3.3A
1, 2, 3
Output Voltage Load Regulation
120
135
150
mV
" ; Vout @ (Iout=0 A) - Vout @ (Iout=3.3A)
1, 2, 3
Total Output Voltage Range
27.44
28.00
28.56
V
"
1, 2, 3
Output Voltage Ripple and Noise Peak to Peak
30
100
mV
Bandwidth = 10 MHz; CL=11µF
1, 2, 3
Operating Output Current Range
0
3.3
A
1, 2, 3
Operating Output Power Range
0
100
W
1, 2, 3
Output DC Current-Limit Inception
3.5
3.8
4.5
A
See Note 4
1, 2, 3
Short Circuit Output Current
3.5
4
5
A
Vout ≤ 1.2V
1, 2, 3
Back-Drive Current Limit while Enabled
1
A
1, 2, 3
Back-Drive Current Limit while Disabled
10
50
mA
1, 2, 3
Maximum Output Capacitance
3,000
µF
See Note 5
DYNAMIC CHARACTERISTICS
Output Voltage Deviation Load Transient
See Note 6
For a Pos. Step Change in Load Current
-1200
-650
mV
Total Iout step = 1.65A‹-›3.3A, 0.33A‹-›1.65A;
CL=11µF
4, 5, 6
For a Neg. Step Change in Load Current
650
1200
mV
"
4, 5, 6
Settling Time (either case)
50
200
µs
See Note 7
4, 5, 6
Output Voltage Deviation Line Transient
Vin step = 16V‹-›50V; CL=11µF; see Note 8
For a Pos. Step Change in Line Voltage
-800
800
mV
"
4, 5, 6
For a Neg. Step Change in Line Voltage
-800
800
mV
"
4, 5, 6
Settling Time (either case)
250
500
µs
See Note 7
See Note 5
Turn-On Transient
Output Voltage Rise Time
6
10
ms
Vout = 2.8V-›25.2V
4, 5, 6
Output Voltage Overshoot
0
2
%
See Note 5
Turn-On Delay, Rising Vin
5.5
8.0
ms
ENA1, ENA2 = 5V; see Notes 9 & 12
4, 5, 6
Turn-On Delay, Rising ENA1
3.0
6.0
ms
ENA2 = 5V; see Note 12
4, 5, 6
Turn-On Delay, Rising ENA2
1.5
3.0
ms
ENA1 = 5V; see Note 12
4, 5, 6
EFFICIENCY
Iout = 3.3A (16Vin)
TBD
88
%
1, 2, 3
Iout = 1.65A (16Vin)
TBD
90
%
1, 2, 3
Iout = 3.3A (28Vin)
TBD
88
%
1, 2, 3
Iout = 1.65A (28Vin)
TBD
89
%
1, 2, 3
Iout = 3.3A (40Vin)
TBD
87
%
1, 2, 3
Iout = 1.65A (40Vin)
TBD
88
%
1, 2, 3
Iout = 3.3A (70Vin)
TBD
84
%
1, 2, 3
Load Fault Power Dissipation
14
24
W
Iout at current limit inception point; See Note 4
1, 2, 3
Short Circuit Power Dissipation
16
24
W
Vout ≤ 1.2V
1, 2, 3


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