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MQHL-28-3R3S Datasheet, PDF (3/17 Pages) SynQor Worldwide Headquarters – HIGH RELIABILITY DC-DC CONVERTER
Technical Specification
MQHL-28-3R3S
Output: 3.3 V
Current: 15 A
MQHL-28-3R3S ELECTRICAL CHARACTERISTICS
Parameter
Min. Typ. Max. Units Notes & Conditions
Vin=28 V dc ±5%, Iout=15.0 A, CL=0 µF, free running (see Note 9)
unless otherwise specified
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Non-Operating
60
V
Operating
50
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
125
°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
"
16
28
50
V Transient, 1 s
Input Under-Voltage Lockout
See Note 3
Turn-On Voltage Threshold
14.75 15.50 16.00 V
Turn-Off Voltage Threshold
14.00 14.75 15.50 V
Lockout Voltage Hysteresis
0.65 0.75 0.85
V
Input Over-Voltage Shutdown
See Note 3
Turn-Off Voltage Threshold
52.0 55.0 58.0
V
Turn-On Voltage Threshold
50.5 53.5 56.5
V
Shutdown Voltage Hysteresis
1.0 1.5 2.5
V
Maximum Input Current
3.9
A Vin = 16 V; Iout = 15 A
No Load Input Current (operating)
75 100 mA
Disabled Input Current (ENA)
10
15
mA Vin = 16 V, 28 V, 50 V
Input Terminal Current Ripple (pk-pk)
40
60
mA Bandwidth = 100 kHz – 10 MHz; see Figure 14
OUTPUT CHARACTERISTICS
Output Voltage Set Point (Tcase = 25ºC)
3.267 3.30 3.333 V Vout at sense leads
Output Voltage Set Point Over Temperature
3.247 3.30 3.353
V
"
Output Voltage Line Regulation
-20
0
20
mV
" ; Vin = 16 V, 28 V, 40 V; Iout=15 A
Output Voltage Load Regulation
-10
0
10
mV
" ; Vout @ (Iout=0 A) - Vout @ (Iout=15 A)
Total Output Voltage Range
3.23 3.30 3.37
V
"
Output Voltage Ripple and Noise Peak to Peak
15
45
mV Bandwidth = 10 MHz; CL=11µF
Operating Output Current Range
0
15
A
Operating Output Power Range
0
50
W
Output DC Current-Limit Inception
16
18
21
A See Note 4
Back-Drive Current Limit while Enabled
4
A
Back-Drive Current Limit while Disabled
10
30
mA
Maximum Output Capacitance
5,000 µF
DYNAMIC CHARACTERISTICS
Output Voltage Deviation Load Transient
See Note 6
For a Pos. Step Change in Load Current
-550 -350
mV Total Iout step = 7.5A‹-›15A, 1.5A‹-›7.5A; CL=11µF
For a Neg. Step Change in Load Current
350 550 mV
"
Output Voltage Deviation Line Transient
Vin step = 16V‹-›50V; CL=11 µF; see Note 8
For a Pos. Step Change in Line Voltage
-100
100 mV
"
For a Neg. Step Change in Line Voltage
-100
100 mV
"
Turn-On Transient
Output Voltage Rise Time
6
10
ms Vout = 0.5V-›4.5V; Full Resistive Load
Output Voltage Overshoot
0
2
% Resistive load
Turn-On Delay, Rising Vin
5.5 8.0
ms ENA = 5 V; see Notes 9 & 11
Turn-On Delay, Rising ENA
3.0 6.0
ms See Note 9
Restart Inhibit Time
180 250
ms See Note 11
Short Circuit Start Time
15.0 20
25
ms
EFFICIENCY
Iout = 15 A (16 Vin)
TBD 87
%
Iout = 7.5 A (16 Vin)
TBD 88
%
Iout = 15 A (28 Vin)
TBD 86
%
Iout = 7.5 A (28 Vin)
TBD 86
%
Iout = 15 A (40 Vin)
TBD 84
%
Iout = 7.5 A (40 Vin)
TBD 83
%
Load Fault Power Dissipation
11 TBD
W Iout at current limit inception point, see Note 4
Short Circuit Power Dissipation
11 TBD
W Vout ≤ 1.2 V
Group A
Subgroup
(see Note 12)
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
See Note 5
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
See Note 5
4, 5, 6
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
Product # MQHL-28-3R3S
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005077 Rev. 1
05/27/09
Page 3