Data sheet: maxeta, Ifa series, Absolute maximum ratings – TDK Maxeta iFA Series User Manual
Page 5: Input characteristics
Data Sheet: Maxeta
TM
iFA Series
©2002-2006 TDK Innoveta Inc.
iFA 28V 600W Advance Datasheet 8/3/2006
℡
(877) 498-0099
5/19
Absolute Maximum Ratings:
Stress in excess of Absolute Maximum Ratings may cause permanent damage to the device.
*Engineering Estimate
Input Characteristics:
Unless otherwise specified, specifications apply over all Rated Input Voltage, Resistive Load, and Temperature conditions.
Characteristic
Min
Typ
Max
Unit
Notes & Conditions
Operating Input Voltage
36
48
75
Vdc
When 36V
≤ Vin < 38V, the modules will
continue to operate, but the output
voltage regulation may be out of spec at
load > 90% of full load condition
Maximum Input Current
---
18
20*
A
Vin = 0 to Vin,max
Input Low End Turn-on Voltage
---
34.9
36
Vdc
Input Low End Turn-off Voltage
30*
32.3
36
Vdc
Hysteresis ---
2.5
---
Vdc
Input Over-voltage Turn-off Voltage
---
79.5
83*
Vdc
Input High End Turn-on Voltage
75
78
---
Vdc
Startup Delay Time from application of input voltage
---
10
---
mS
Vo = 0 to 0.1*Vo,nom;
on/off =on,
Io=Io,max, Tc=25˚C
Startup Delay Time from on/off
---
10
---
mS
Vin = Vin,nom, Io=Io,max, Tc=25˚C
Output Voltage Rise Time
---
45
60*
mS
Io=Io,max, Vo=0.1 to 0.9*Vo,nom,
Tc=25˚C
Inrush Transient
---
---
1
A
2
S
Input Reflected Ripple
---
8
20*
mApp
Vin=Vin,nom, Io=Io,max (0 to 20MHz)
See input/output ripple measurement
figure; BW = 20 MHz
Input Ripple Rejection
---
35
---
dB
@120Hz
* Engineering Estimate
Caution: The power modules are not internally fused. An external input line fuse with a maximum value of 20A is required. See the Safety
Considerations section of the data sheet.
Characteristic
Min
Max
Unit
Notes & Conditions
Continuous Input Voltage
-0.5
80
Vdc
Transient Input Voltage
---
100
Vdc
100mS max.
Isolation Voltage
Input to Output
Input to Base-plate
Output to Base-plate
---
---
---
1500
1500
500
Vdc
Vdc
Vdc
Basic Insulation
Basic Insulation
Operational Insulation
Storage Temperature
-55
125
˚C
Operating Temperature Range (Tc)
-40
115
˚C
Measured at the location specified in the thermal
measurement figure; maximum temperature varies with
output current and module orientation – see curve in the
thermal performance section of the data sheet.