TDK Veta iHA User Manual

iHA48011A280V product brief 090302.doc

9/4/2002

1/2

91% efficiency

Typical Performance

Features

Product Brief: Veta™ iHA Series – Half Brick

• 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

Its
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.

Base Product Code Input

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
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
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

Veta™ iHA Series DC/DC Power Modules

48V Input, 28V/11A Output

Half Brick

and superior thermal performance make the Veta™

Voltage

Output

Voltage

600 mV

350 uS

Output

Efficiency

Current

to end of life

Load step 25% of Io,max

slew rate =0.1A/us

datasheet

©2001 InnovetaTM Technologies, Inc. 1/2 10/19/2001

©2002 Innoveta Technologies™, Inc.

Revision 2

' [phone]

iHA48011A280V product brief 090302.doc

9/4/2002

2/2

Ordering Information

http://www.innoveta.com/

Product Brief: Veta™ iHA Series – Half Brick

PIN FUNCTION PIN FUNCTION

1 Vin (+) 7 Trim
2 On/Off 8 Sense (+)
3 Case (Omit Optional) 9 Vout (+)
4 Vin (-)
5 Vout (-)
6 Sense (-)

Product

Identifier

i H A 48 011 A 280 V -

Innoveta

Technologies™

Package

Size

Half Brick Veta™ 36-75V 11 Amps 280 – 28V Single

Platform Input

Voltage

Output

Current/

Power

Feature

840 Central Parkway East, Suite 150
Plano, Texas 75074

Phone [phone] Toll Free
[phone]
Fax [phone] Toll Free
[phone]

[e-mail]

Information furnished by Innoveta is believed to be accurate and reliable. However, Innoveta assumes no responsibility for its
use, nor for any infringement of patents or other rights of third parties, which may result from its use. No license is granted by
implication or otherwise under any patent or patent rights of Innoveta. Innoveta components are not designed to be used in
applications, such as life support systems, wherein failure or malfunction could result in injury or death. All sales are subject to
Innoveta’s Terms and Conditions of Sale, which are available upon request. Specifications are subject to change without notice.

Top view - Footprint

Output

Units

Set

00 Positive No Latching 0.145”
01 Negative No Latching 0.145”
02 Positive Yes Auto-Recovery 0.145”
03 Negative Yes Auto-Recovery 0.145”
04 Positive No Latching 0.110”
05 Negative No Latching 0.110”
06 Positive Yes Auto-Recovery 0.110”
07 Negative Yes Auto-Recovery 0.110”

On/Off

Logic

Main

Output

Voltage

Omit

pin3

# of

Outputs

Safety

Class

Output OVP Pin

Feature Set

0 00

00 – Standard

Length

©2001 InnovetaTM Technologies, Inc. 2/2 10/19/2001

©2002 Innoveta Technologies™, Inc.

Revision 2

' [phone]