NQ20X20ETC20 Datasheet, PDF (4/9 Pages) SynQor Worldwide Headquarters – Eighth-brick DC-DC Converter

Technical Specification
Input: 9 - 20 V
Outputs: 0 - 20 V
Current: 20 A
Package: Eighth-brick
NQ20x20ETC20 ELECTRICAL CHARACTERISTICS (Continued)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 12 V dc unless otherwise noted; full operating temperature range is -40 °C to +105 °C ambient temperature with appropriate power derating.
Specifications subject to change without notice.
Parameter
Vout Min. Typ. Max. Units Notes & Conditions
DYNAMIC CHARACTERISTICS
Output Voltage during Current Transient
For a Step Change in Output Current
All
1
V (0.1 A/µs); 50%-75%-50% Iout max
Settling Time
Turn on Transient
All
5
ms To within 1.5% Vout nom.
Startup delay
Rise Rate
All
2
All
0.2
ms Resistive load
V/ms "
Output Voltage Overshoot
All
FEATURE CHARACTERISTICS
0
V
"
Switching Frequency
ON/OFF Control
All 240 250 260
kHz
Negative Logic (N) ON/OFF Control
Off-State Voltage
All 1.8
3.3
V
On-State Voltage
Pull-Up Voltage
All
0
0.8
V
All
3.3
V
Pull-Up Resistance
Output Voltage Trim Range
All
10
All
0
20
kΩ
V Measured Vout+ to common pins
Input/Output Over-Voltage Protection
Over-Temperature Shutdown
All
22
24
25
All
115
V Over full temp range
°C Average PCB Temperature
Over-Temperature Shutdown Restart Hysteresis All
15
°C
RELIABILITY CHARACTERISTICS
Calculated MTBF (TR-NWT-000332; Telcordia) All
TBD
106 Hrs. 100% load, 200LFM, 40 °C Ta
Calculated MTBF (MIL-HDBK-217F; MIL-217)
All
TBD
106 Hrs. 100% load, 200LFM, 40 °C Ta
Field Demonstrated MTBF
All
106 Hrs. See our website for details
STANDARDS COMPLIANCE
Parameter
Notes & Conditions
STANDARDS COMPLIANCE
UL/cUL 60950-1
Pending UL Approval File # E194341
EN60950-1
Certified by TUV
Needle Flame Test (IEC 695-2-2)
Test on entire assembly; board & plastic components UL94V-0 compliant
IEC 61000-4-2
ESD test, 8 kV - NP, 15 kV air - NP (Normal Performance)
GR-1089-CORE
Section 7 - electrical safety, Section 9 - bonding/grounding
Telcordia (Bellcore) GR-513
Note: An external input fuse must always be used to meet these safety requirements. Contact SynQor for official safety certificates on new
releases or download from the SynQor website.
QUALIFICATION TESTING
Parameter
# Units Test Conditions
QUALIFICATION TESTING
Life Test
32
95% rated Vin and load, units at derating point, 1000 hours
Vibration
5
10-55 Hz sweep, 0.060" total excursion, 1 min./sweep, 120 sweeps for 3 axis
Mechanical Shock
5
100g minimum, 2 drops in x and y axis, 1 drop in z axis
Temperature Cycling
10
-40 °C to 100 °C, unit temp. ramp 15 °C/min., 500 cycles
Power/Thermal Cycling
5
Toperating = min to max, Vin = min to max, full load, 100 cycles
Design Marginality
5
Tmin-10 °C to Tmax+10 °C, 5 °C steps, Vin = min to max, 0-105% load
Humidity
5
85 °C, 85% RH, 1000 hours, continuous Vin applied except 5 min/day
Solderability
15 pins MIL-STD-883, method 2003
Note: Extensive characterization testing of all SynQor products and manufacturing processes is performed to ensure that we supply
robust, reliable product. Contact the factory for official product family qualification documents.
Product # NQ20x20ETC20
Phone [phone]
www.synqor.com
Doc.# 005-NS2020W Rev. C 03/06/09
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