Technical
Specification
IQ24-HP Family
IQ24 FAMILY Electrical Characteristics (all output voltages)
Parameter
Min.
Typ.
Max.
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Non-Operating
60
Operating
36
Operating Transient Protection
50
Isolation Voltage
Input to Output
2250
Input to Base-Plate
2250
Output to Base-Plate
2250
Operating Temperature
-40
100
Storage Temperature
-55
125
Voltage at ON/OFF input pin
-2
18
INPUT CHARACTERISTICS
Operating Input Voltage Range
18
24
36
Input Under-Voltage Lockout
Turn-On Voltage Threshold
16.6
17.0
17.4
Turn-Off Voltage Threshold
14.8
15.2
15.6
Lockout Voltage Hysteresis
1.8
Input Over-Voltage Shutdown
52
55
Recommended External Input Capacitance
470
Input Filter Component Values (L\C)
1.1\13.2
DYNAMIC CHARACTERISTICS
Turn-On Transient
Turn-On Time
10
Start-Up Inhibit Time
200
230
250
Output Voltage Overshoot
0
ISOLATION CHARACTERISTICS
Isolation Voltage (dielectric strength)
Isolation Resistance
30
Isolation Capacitance (input to output)
1000
TEMPERATURE LIMITS FOR POWER DERATING CURVES
Semiconductor Junction Temperature
125
Board Temperature
125
Transformer Temperature
125
Maximum Baseplate Temperature, Tb
100
FEATURE CHARACTERISTICS
Switching Frequency
255
275
295
ON/OFF Control
Off-State Voltage
2.4
1.8
On-State Voltage
-2
0.8
ON/OFF Control
Pull-Up Voltage
5
Pull-Up Resistance
50
Over-Temperature Shutdown OTP Trip Point
125
Over-Temperature Shutdown Restart Hysteresis
10
RELIABILITY CHARACTERISTICS
Calculated MTBF (Telcordia) TR-NWT-000332
TBD
Calculated MTBF (MIL-217) MIL-HDBK-217F
TBD
Field Demonstrated MTBF
Note 1: Higher values of isolation capacitance can be added external to the module.
Product # IQ24xxxHPxxx
Phone 1-888-567-9596
www.synqor.com
Ta = 25 °C, airflow rate = 300 LFM, Vin = 24 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
1 s transient, square wave
Baseplate temperature
50V transient for 1 s
V
V
V
V
µF
Typical ESR 0.1-0.2 Ω
µH\µF Internal values; see Figure E
ms
ms
%
Full load, Vout=90% nom.
Figure F
Maximum Output Capacitance
See Absolute Maximum Ratings
MΩ
pF
°C
°C
°C
°C
kHz
V
See Note 1
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
Doc.# 005-0005229 Rev. A
05/26/09
Page 3
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