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IQ70-HPC Datasheet PDF : 28 Pages
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Technical
Specification
IQ70-HPC Family
IQ70 FAMILY ELECTRICAL CHARACTERISTICS (all output voltages)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 70 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.
Parameter
Min. Typ. Max. Units Notes & Conditions
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Non-Operating
150
V Continuous
Operating
135
V Continuous
Operating Transient Protection
-
V
Isolation Voltage
Input to Output
2250
V dc
Input to Base-Plate
2250
V dc
Output to Base-Plate
2250
V dc
Operating Temperature
-40
100
°C Baseplate temperature
Storage Temperature
-55
125
°C
Voltage at ON/OFF input pin
-2
18
V
INPUT CHARACTERISTICS
Operating Input Voltage Range
34
70
135
V
Input Under-Voltage Lockout
Turn-On Voltage Threshold
Turn-Off Voltage Threshold
Lockout Voltage Hysteresis
32.7
33.1
33.5
V
30.4
30.8
31.2
V
2.3
V
Input Over-Voltage Shutdown
-
V
Recommended External Input Capacitance
Input Filter Component Values (L\C)
100
3.4\4.0
µF Typical ESR 0.1-0.2 Ω
µH\µF Internal values; see Figure E
DYNAMIC CHARACTERISTICS
Turn-On Transient
Turn-On Time
Start-Up Inhibit Time
Output Voltage Overshoot
10
ms Full load, Vout=90% nom.
200
230
250
ms Figure F
0
% Maximum Output Capacitance
ISOLATION CHARACTERISTICS
Isolation Voltage (dielectric strength)
See Absolute Maximum Ratings
Isolation Resistance
30
MΩ
Isolation Capacitance (input to output)
1000
pF See Note 1
TEMPERATURE LIMITS FOR POWER DERATING CURVES
Semiconductor Junction Temperature
125
°C Package rated to 150 °C
Board Temperature
125
°C UL rated max operating temp 130 °C
Transformer Temperature
125
°C
Maximum Baseplate Temperature, Tb
100
°C
FEATURE CHARACTERISTICS
Switching Frequency
ON/OFF Control
255
275
295
kHz Isolation stage switching freq. is half this
Off-State Voltage
2.4
1.8
V
On-State Voltage
-2
0.8
ON/OFF Control
Application notes Figures A & B
Pull-Up Voltage
5
V
Pull-Up Resistance
50
kΩ
Over-Temperature Shutdown OTP Trip Point
125
°C Average PCB Temperature
Over-Temperature Shutdown Restart Hysteresis
10
°C
RELIABILITY CHARACTERISTICS
Calculated MTBF (Telcordia) TR-NWT-000332
Calculated MTBF (MIL-217) MIL-HDBK-217F
Field Demonstrated MTBF
TBD
106 Hrs. 80% load, 200LFM, 40 °C Ta
TBD
106 Hrs. 80% load, 200LFM, 40 °C Ta
106 Hrs. See our website for details
Note 1: Higher values of isolation capacitance can be added external to the module.
Product # IQ70xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005061 Rev. B
12/10/08
Page 3
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