Tdk Metamere iAA Series User Manual download pdf

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

Revision 2

Product Brief: Metamere iAA Series – Non-isolated Surface Mount Power Module

Inc.

iAAProductBrief060905.doc 6/9/2005

℡ (877) 498-0099

Base Product Code Input

Voltage

Output

Voltage

Output

Current

Efficiency

iAA05015A033V 4.5-5.5 3.3V 15A 95%

iAA05015A025V 3.0-5.5 2.5V 15A 93%

iAA05015A008V 3.0-5.5 0.75V-

3.63V

15A 94%

Input Characteristics

Operating input range 3-5.5V Except 3.3V out (4.5-5.5)

Transient input voltage 6V 10mS max

Turn-on voltage 2.3V

Turn-off voltage 2.1V

Start-up time 15 mS On/Off to 90% Vout

Maximum input current 16A Input 0-5.5V, Io,max

Output

Characteristics

Output voltage tolerance

+/- 3.5% max

Over line, load, and temp

to end of life

Efficiency see product table Io,max

Line regulation 2 mV Over rated input

Load regulation 5 mV Over rated load

Output voltage adjustment 90%-110% %Vo,nom

Output ripple 40 mVp-p 20MHz bandwidth

Dynamic response

Transient voltage

Recovery time

175 mV

25 uS

Load step 25% of Io,max

slew rate =2.5A/us

Ripple frequency 300 kHz Fixed

Protection

Current limit inception 230% of Io,rated

Short circuit 33% of Io,rated Auto-recovery hiccup

Environmental

Operating temperature -40C to 125C Measurement point in full

datasheet

The Metamere Series offers a 50W power module in the

industry’s standard surface-mount footprint. The

Metamere series utilizes a low component count that

results in a low cost while still providing high performance.

The open-frame, compact design provides flexibility by

performing local voltage conversion of either a 5V or 3.3V

bus. The low weight, surface mount design is well suited

for almost any manufacturing environment.

Features

• Size - 33mm x 13.5 mm x 8.5 mm

(1.3 in. x 0.53 in. x 0.335 in.)

• Surface mountable

• Maximum weight 12g (0.42 oz)

• Up to 50W of output power in high

ambient temperature, low airflow

environments with minimal power

derating

• Positive logic on/off

• Starts with pre-biased output

• Output voltage adjustment

• Constant switching frequency

• Full, auto-recovery protection:

o Input under voltage

o Short circuit

o Thermal limit

• Applying for UL 60950 (US and

Canada), VDE 0805, CB scheme

(IEC950) Safety markings

Typical Performance

Metamere iAA Series DC/DC Power Modules

3 and 5V Inputs, 15A Output

Surface Mount Power Module

Optional Features

• On/Off (negative logic)

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Summary of Contents

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