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NQ04015VMA15OVS Datasheet(PDF) 6 Page - SynQor Worldwide Headquarters

Part # NQ04015VMA15OVS
Description  16Amp, wide ouput range, Non-Isolated DC/DC Converter
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Manufacturer  SYNQOR [SynQor Worldwide Headquarters]
Direct Link  http://www.synqor.com
Logo SYNQOR - SynQor Worldwide Headquarters

NQ04015VMA15OVS Datasheet(HTML) 6 Page - SynQor Worldwide Headquarters

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Product # NQ04T33VMA16
Phone 1-888-567-9596
Doc.# 005-2NV4T3E Rev. B
7/6/04
Page 6
Technical Specification
3.0 - 5.5Vin 16A
Non-Isolated
Non-Isolated
SIP Converter
SIP Converter
ELECTRICAL CHARACTERISTICS (continued) - NQ04T33VMA16 Series
Parameter
ModuleP
Min.
Typ.
Max.
Units Notes & Conditions
EFFICIENCY (cont.)
50% Load (3.3Vin\5Vin)
0.9V
89/87
%
Figures 1-4
1.0V
89.5/88
%
1.2V
91/89.5
%
1.5V
92.5/91
%
1.8V
93.5/92
%
2.5V
95.5/94
%
3.3V
95
%
TEMP. LIMITS FOR POWER DERATING
Semiconductor Junction Temperature
5
All
125
°C
Package rated to 150°C; Figs 5-14
Board Temperature
5
All
125
°C
UL rated max operating temp 130°C
FEATURE CHARACTERISTICS
Switching Frequency
All
265
300
330
kHz
may decrease by up to 30 kHz at -40°C
Negative Logic (N, O) ON/OFF Control
Figure A, page 16
Off-State Voltage
All
1.5
6.5
V
On-State Voltage
All
-3
0.6
V
Pull-Up Voltage (N logic only)
All
2/3 Vin
V
Pull-Up Resistance (N logic only)
All
6.7
k
Input Resistance (O logic only)
All
20
k
Positive Logic (P) ON/OFF Control
Open collector/drain input; Figure A
Logic Low Voltage Range
All
-0.2
1
V
Logic High Voltage Range (internal pullup)
All
2.2
Vin
V
Logic Low sink current
All
300
Vin/10K
550
µA
Logic High sink current (leakage)
All
10
µA
Output Voltage Trim Range
1,6,8
All
0.85
3.6
V
Measured Vout+ to common pins; Table 1
Output Voltage Remote Sense Range
1,7,8
All
+10
%
Measured Vout+ to common pins
Output Over-Voltage Protection
8
All
3.75
4.05
4.35
V
Over full temp range
Over-Temperature Shutdown
All
120
°C
Average PCB Temperature
Over-Temperature Shutdown Restart Hysteresis
All
5
°C
RELIABILITY CHARACTERISTICS
Calculated MTBF (Telcordia)
All
10.1
106 Hrs. TR-NWT-000332; 15A load, 200LFM, 40oC Ta
Calculated MTBF (MIL-217)
All
6.6
106 Hrs. MIL-HDBK-217F; 15A load, 200LFM, 40oC Ta
Field Demonstrated MTBF
All
106 Hrs. See website for latest values
Note 1: Maintain a minimum of 0.4V headroom between input and output voltage to meet performance specifications. Unit will perform as the model with the
output voltage that it is trimmed to.
Note 2: Tantalum or similar with additional ceramic as needed to reduce ripple current in external input capacitors. See Figure 26. When using more than
1000µF of output capacitance, input filter inductor should be reduced to <0.3µH or input capacitance should be increased to match output capacitance.
Consult factory for more demanding applications. Also refer to Application Considerations section of this datasheet.
Note 3: The over-current shutdown threshold for a short over-current pulse can be as high as 50A when trimming up a wide trim unit above 1.2V.
Note 4: When trimming a 0.9V unit to less than 0.88V with more than 1000µF of output capacitance, consult factory for trim circuit recommendations. This
also applies to trimming a 1.0V unit below 0.95V.
Note 5: Power derating curves are measured using an evaluation board consisting of 6 layers of 2 ounce copper.
Note 6: Wide trim option unit has a setpoint of 0.753V and a trim range of 0.85V-3.6V.
Note 7: In remote sense applications, when trimming down, the trim-down resistor should be connected to the sense pin for more accurate trimming results.
Note 8: User should allow sufficient transient response headroom between the module’s local output and the minimum OVP threshold.


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