Tdk Veta iHA Series Manuel d'utilisateur télécharger pdf

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

Revision 2

Product Brief: Veta™ iHA Series – Half Brick

iHA48060A018V product brief 090302.doc

9/4/2002

' (877) 498-0099

Base Product Code Input

Voltage

Output

Voltage

Output

Current

Efficiency

iHA48060A018V 36-75V 1.8V 60A 86.5%

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 3.7A 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 Full load

Line regulation 2 mV Over rated input

Load regulation 6 mV Over rated load

Output voltage adjustment 54%-110% %Vout,nom

Output ripple 50 mVp-p 20MHz bandwidth

Dynamic response

Transient voltage

Recovery time

100 mV

350 uS

Load step 25% of Io,max

slew rate =0.1A/us

Ripple frequency 300 kHz Fixed

Protection

Current limit inception 120% of Io,rated

Short circuit Continuous protection Auto-recovery (AR) hiccup

Output over voltage 136% of Vout,nom Latch (AR-optional)

Thermal shutdown 120C Auto recovery hiccup

Environmental

Operating temperature -40C to 120C Measurement point in full

datasheet

Its

86.5% 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 86.5%

• Wide output trim voltage

• True 60A product at 1.8V output

• Industry-leading output power:

108W

• 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, 60A Output

Half Brick

1 2

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