TDK iHA Series - Manual
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©2001 Innoveta
TM
Technologies, Inc.
1/2
10/19/2001
Revision 2
Product Brief: Veta™ iHA Series – Half Brick
©2002 Innoveta Technologies™, Inc.
iHA48011A280V product brief 090302.doc 9/4/2002
'
(877) 498-0099
1/2
Base Product Code
Input
Voltage
Output
Voltage
Output
Current
Efficiency
iHA48011A280V
36-75V
28V
11A
91%
Input Characteristics
Operating input range
36-75V
Transient input voltage
100V
100mS max
Turn-on voltage
34V
Turn-off voltage
32V
Start-up time
80 mS
On/Off to 90% Vout
Maximum input current
10.2A
Input 0-75V, Io,max
Output Characteristics
Output voltage tolerance
+/- 3% max
Over line, load, and temp
to end of life
Efficiency
see product table
Line regulation
10 mV
Over rated input
Load regulation
25 mV
Over rated load
Output voltage adjustment
54%-110%
%Vout,nom
Output ripple
250 mVp-p
20MHz bandwidth
Dynamic response
Transient voltage
Recovery time
600 mV
350 uS
Load step 25% of Io,max
slew rate =0.1A/us
Ripple frequency
300 kHz
Fixed
Protection
Current limit inception
130% of Io,rated
Short circuit
Continuous protection
Auto-recovery (AR) hiccup
Output over voltage
120% of Vout,nom
Latch (AR-optional)
Thermal shutdown
120C
Auto recovery hiccup
Environmental
Operating temperature
-40C to 120C
Measurement point in full
datasheet
Its
91% efficiency
and superior thermal performance make the Veta™
Family of power modules ideally suited for power-hungry applications in
demanding thermal environments. This rugged building block is
designed to serve as the core of your high reliability system. A wide
output voltage
trim range, -46 to +10%,
and remote sensing are
standard features enhancing versatility. For a full-featured version of the
Veta™ Half Brick, including active current sharing, see the iHD product
brief.
Typical Performance
Features
•
Standard Half Brick footprint
•
High efficiency, typical 91%
•
Wide output trim voltage
•
True 11A product at 28V output
•
Industry-leading output power:
300W
•
Monotonic start-up
•
Starts with a pre-biased output
•
Basic insulation – 1500 Vdc
•
Auto-recovery protection:
o
Input under and over voltage
o
Current limit
o
Short circuit
o
Thermal limit
•
Latched output over voltage
•
Optional auto-recovery output over
voltage
•
High reliability open frame, surface-
mount construction
•
Baseplate for improved thermal
management
•
Constant switching frequency
•
Optional 0.110” pin length
•
Safety agency approvals pending
•
Multiple patents pending
Veta™ iHA Series DC/DC Power Modules
48V Input, 28V/11A Output
Half Brick
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