MQFL-28V-05S Datasheet, PDF (3/19 Pages) SynQor Worldwide Headquarters – HIGH RELIABILITY DC-DC CONVERTER

Technical Specification
MQFL-28V-05S
Output: 5.0V
Current: 20A
MQFL-28V-05S ELECTRICAL CHARACTERISTICS
Parameter
Min. Typ. Max. Units Notes & Conditions
Vin=28 V dc ±5%, Iout=20 A, CL=0 µF, free running (see Note 10)
boost-converter non-operational unless otherwise specified
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Non-Operating
60
V
Operating
60
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 (≤100 µs)
-800
800
V
Operating Case Temperature
-55
135
°C See Note 2
Storage Case Temperature
-65
135
°C
Lead Temperature (20 s)
300
°C
Voltage at ENA1, ENA2
-1.2
50
V
INPUT CHARACTERISTICS
Operating Input Voltage Range
16
28
40
V Continuous
"
5.5
28
50
V Transient, 1 s; see Under-Voltage Transient Profile
Input Under-Voltage Lockout
See Note 3
Turn-On Voltage Threshold
14.75 15.50 16.00 V
Turn-Off Voltage Threshold
13.80 14.40 15.00 V
Lockout Voltage Hysteresis
0.50 1.10 1.80
V
Input Over-Voltage Shutdown
See Note 3
Turn-Off Voltage Threshold
54.0 56.8 60.0
V
Turn-On Voltage Threshold
50.0 51.4 54.0
V
Shutdown Voltage Hysteresis
2.0 5.3 8.0
V
Maximum Input Current
7.5
A Vin = 16 V; Iout = 20 A
No Load Input Current (operating)
110 160 mA
Disabled Input Current (ENA1)
2
5
mA Vin = 16 V, 28 V, 50 V
Disabled Input Current (ENA2)
25
50
mA Vin = 16 V, 28 V, 50 V
Input Terminal Current Ripple (pk-pk)
80 120 mA Bandwidth = 100 kHz – 10 MHz
OUTPUT CHARACTERISTICS
Output Voltage Set Point (Tcase = 25ºC)
4.95 5.00 5.05
V Vout at sense leads
Output Voltage Set Point Over Temperature
4.92 5.00 5.08
V
"
Output Voltage Line Regulation
-20
0
20
mV
" ; Vin = 16V, 28V, 40V; Iout=20A
Output Voltage Load Regulation
15
25
35
mV
" ; Vout@(Iout=0A) - Vout@(Iout=20A)
Total Output Voltage Range
4.90 5.00 5.10
V
"
Output Voltage Ripple and Noise Peak to Peak
15
30
mV Bandwidth = 10 MHz; CL=11µF
Operating Output Current Range
0
20
A
Operating Output Power Range
0
100
W
Output DC Current-Limit Inception
21
23
26
A See Note 4
Short Circuit Output Current
21
23
27
A Vout ≤ 1.2 V
Back-Drive Current Limit while Enabled
6
A
Back-Drive Current Limit while Disabled
10
50
mA
Maximum Output Capacitance
10,000 µF
DYNAMIC CHARACTERISTICS
Output Voltage Deviation Load Transient
See Note 6
For a Pos. Step Change in Load Current
-450 -350
mV Total Iout step = 10A‹-›20A, 2A‹-›10A; CL=11µF
For a Neg. Step Change in Load Current
350 450 mV
"
Settling Time (either case)
100 200
µs See Note 7
Output Voltage Deviation Line Transient
Vin step = 16V‹-›50V; CL=11 µF; see Note 8
For a Pos. Step Change in Line Voltage
-500
500 mV
"
For a Neg. Step Change in Line Voltage
-500
500 mV
"
Settling Time (either case)
250 500
µs See Note 7
Turn-On Transient
Output Voltage Rise Time
6
10
ms Vout = 0.5V-›4.5V
Output Voltage Overshoot
0
2
%
Turn-On Delay, Rising Vin
5.5 8.0
ms ENA1, ENA2 = 5 V; see Notes 9 & 12
Turn-On Delay, Rising ENA1
3.0 6.0
ms ENA2 = 5 V; see Note 12
Turn-On Delay, Rising ENA2
1.5 3.0
ms ENA1 = 5 V; see Note 12
EFFICIENCY
Iout = 20 A (16 Vin)
85
89
%
Iout = 10 A (16 Vin)
87
90
%
Iout = 20 A (28 Vin)
85
89
%
Iout = 10 A (28 Vin)
86
89
%
Iout = 20 A (40 Vin)
84
88
%
Iout = 10 A (40 Vin)
85
88
%
Load Fault Power Dissipation
14
24
W Iout at current limit inception point; See Note 4
Short Circuit Power Dissipation
16
24
W Vout ≤ 1.2 V
Product # MQFL-28V-05S
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www.synqor.com
Doc.# 005-2MQV50S Rev. C 04/09/09
Group A
Subgroup
1, 2, 3
4, 5, 6
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1
2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
See Note 5
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
See Note 5
4, 5, 6
See Note 5
4, 5, 6
4, 5, 6
4, 5, 6
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
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