Technical
Specification
IQ18-HPC Family
IQ18 Family electrical Characteristics (all output voltages)
Parameter
Min.
typ.
Max.
40
36
40
2250
2250
2250
100
125
18
18
10.1
8.4
1.7
-
820
0.34\32
36
10.4
8.7
ABsOLUte MAXIMUM RAtInGs
Input Voltage
Non-Operating
Operating
Operating Transient Protection
Isolation Voltage
Input to Output
Input to Base-Plate
Output to Base-Plate
Operating Temperature
-40
Storage Temperature
-55
Voltage at ON/OFF input pin
-2
InPUt CHARACteRIstICs
Operating Input Voltage Range
9
Input Under-Voltage Lockout
Turn-On Voltage Threshold
9.8
Turn-Off Voltage Threshold
8.2
Lockout Voltage Hysteresis
Input Over-Voltage Shutdown
Recommended External Input Capacitance
Input Filter Component Values (L\C)
DYnAMIC CHARACteRIstICs
Turn-On Transient
Turn-On Time
Start-Up Inhibit Time
200
Output Voltage Overshoot
IsOLAtIOn CHARACteRIstICs
Isolation Voltage (dielectric strength)
Isolation Resistance
Isolation Capacitance (input to output)
teMPeRAtURe LIMIts FOR POWeR DeRAtInG CURVes
Semiconductor Junction Temperature
Board Temperature
Transformer Temperature
Maximum Baseplate Temperature, Tb
FeAtURe CHARACteRIstICs
Switching Frequency
255
ON/OFF Control
Off-State Voltage
2.4
On-State Voltage
-2
ON/OFF Control
Pull-Up Voltage
Pull-Up Resistance
Over-Temperature Shutdown OTP Trip Point
Over-Temperature Shutdown Restart Hysteresis
ReLIABILItY CHARACteRIstICs
Calculated MTBF (Telcordia) TR-NWT-000332
Calculated MTBF (MIL-217) MIL-HDBK-217F
Field Demonstrated MTBF
Ta = 25 °C, airflow rate = 300 LFM, Vin = 18 V dc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate
temperature with appropriate power derating. Specifications subject to change without notice.
Units notes & Conditions
V
V
V
V dc
V dc
V dc
°C
°C
V
V
Continuous
Continuous
100 ms transient, square wave
Baseplate temperature
40 V transient for 100 ms; see Note 1
V
V
V
V
Not Available
µF
Typical ESR 0.1-0.2 Ω
µH\µF Internal values; see Figure E
10
230
0
250
ms
ms
%
Full load, Vout=90% nom.
Figure F
Maximum Output Capacitance
See Absolute Maximum Ratings
30
1000
125
125
125
100
275
295
1.8
0.8
5
50
125
10
TBD
TBD
MΩ
pF
°C
°C
°C
°C
kHz
V
See Note 2
Package rated to 150 °C
UL rated max operating temp 130 °C
Isolation stage switching freq. is half this
Application notes Figures A & B
V
kΩ
°C
°C
Average PCB Temperature
106
Hrs.
80% load, 200LFM, 40 °C Ta
106
Hrs.
80% load, 200LFM, 40 °C Ta
106
Hrs.
See our website for details
Note 1: Start-up guaranteed above 10.4 V, but will operate down to 9V
Note 2: Higher values of isolation capacitance can be added external to the module.
Product # IQ18xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005029 Rev. B
04/13/09
Page 3
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