1)SENSE(–) should be connected to Vout(–) either remotely or at
the converter
2)SENSE(+) should be connected to Vout(+) either remotely or at
the converter.
Product # NQ20x20QGC40
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-NQ2020W Rev. B
03/06/09
Page 2
Technical Specification
NQ20x20QGC40 ELECTRICAL CHARACTERISTICS
Input:
Outputs:
Current:
Package:
10 - 20 V
0 - 20 V
40 A
Quarter-brick
Ta = 25 °C, airflow rate = 300 LFM, Vin = 24 V dc unless otherwise noted; full operating temperature range is -40 °C to +105 °C ambient temperature with appropriate power derating.
Ta = 25 °C, airflow rate = 300 LFM, Vin = 24 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.
All
1
Units Notes & Conditions
V
Settling Time
Turn on Transient
Startup delay
Rise Rate
Output Voltage Overshoot
FEATURE CHARACTERISTICS
Switching Frequency
ON/OFF Control
Negative Logic (N) ON/OFF Control
Off-State Voltage
On-State Voltage
Pull-Up Voltage
Pull-Up Resistance
Output Voltage Trim Range
Input/Output Over-Voltage Protection
Over-Temperature Shutdown
Over-Temperature Shutdown Restart Hysteresis
RELIABILITY CHARACTERISTICS
Calculated MTBF (TR-NWT-000332; Telcordia)
Calculated MTBF (MIL-HDBK-217F; MIL-217)
Field Demonstrated MTBF
All
All
All
All
All
240
3
2
0.2
0
250
260
ms
ms
V/ms
V
kHz
(0.1 A/µs); 50%-75%-50% Iout max
To within 1.5% Vout nom.
Resistive load
"
"
All
All
All
All
All
All
All
All
All
All
All
1.8
0
3.3
10
0
22
24
115
15
TBD
TBD
3.3
0.8
40
25
V
V
V
kΩ
V
V
°C
°C
Measured Vout+ to common pins
Over full temp range
Average PCB Temperature
106 Hrs. 100% load, 200LFM, 40 °C Ta
106 Hrs. 100% load, 200LFM, 40 °C Ta
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
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