Advance Data Sheet: Maxeta
TM
iFA Series
©2005 TDK Innoveta Inc.
iFA Advance Datasheet 6/6/2005
℡
(877) 498-0099
5/18
Absolute Maximum Ratings:
Stress in excess of Absolute Maximum Ratings may cause permanent damage to the device.
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
19
24
(28)
#
36
Vdc
When 18V
≤
Vin
<
19V, the modules will
continue to operate, but the output
voltage regulation may be out of spec at
full load condition
Input Current
---
28.2
37
A
Vin = 0 to Vin,max
Input Low End Turn-on Voltage
---
17.9
19
Vdc
Input Low End Turn-off Voltage
---
16.1
19
Vdc
Hysteresis
---
1.8
---
Vdc
Input Over-voltage Turn-off Voltage
---
38.6
---
Vdc
Input High End Turn-on Voltage
36
37.6
---
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
---
8
---
mS
Vin = Vin,nom, Io=Io,max, Tc=25˚C
Output Voltage Rise Time
---
42
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
---
5
---
mApp
Vin=Vin,nom, Io=Io,max (0 to 20MHz)
See input/output ripple measurement
figure; BW = 5 MHz
Input Ripple Rejection
---
41
---
dB
@120Hz
* Engineering Estimate
#
Telecom 24V battery plant voltage is typically set at 27.24V
Caution
: The power modules are not internally fused. An external input line fuse with a maximum value of 40A is required. See the Safety
Considerations section of the data sheet.
Characteristic
Min
Max
Unit
Notes & Conditions
Continuous Input Voltage
-0.5
40
Vdc
Transient Input Voltage
---
50
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.
