MIC26603YJL EV Micrel, MIC26603YJL EV Datasheet

MIC26603YJL EV

Manufacturer Part Number

MIC26603YJL EV

Description

Power Management IC Development Tools 28V/6A DC-DC Buck Regulator w/ HLL - Evaluation Board

Manufacturer

Micrel

Type

DC/DC Converters, Regulators & Controllersr

Datasheet

1.MIC26603YJL_EV.pdf (9 pages)

Specifications of MIC26603YJL EV

Product

Evaluation Boards

Tool Is For Evaluation Of

MIC26603

Input Voltage

4.5 V to 28 V

Output Voltage

0.9 V, 1 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V

Description/function

Evaluation Board

Maximum Operating Temperature

+ 125 C

Minimum Operating Temperature

- 40 C

Output Current

6 A

For Use With

MIC26603

Current page: 1 of 9
Download datasheet (294Kb)

General Description

The MIC26603 DC-DC regulator operates ov

supply range of 4.5V to 28V and provides a regu

at up to 6A of outpu

to 0.8V with a typical accuracy of ±1%, and

operates at a switching frequency of 600kHz. T

frequency remains fairly constant with chang

voltage and output load.

Micrel’s Hyper Light L

same high-efficiency and ultra-fast transient re

the Hyper Speed Control™ architecture under

heavy loads, but also maintains high efficiency

load conditions by transitioning to

discontinuous mode operation.

The MIC26603 utilizes an adaptive

architecture. An undervoltage lockout feature is p

ensure proper operation under pow

internal soft-sta

current. Foldback current limit and “hiccup” mode

protection and thermal shutdown ensures protec

during fault conditions.

Note: This evaluation board is for 6A applicatio

The datashe

found on Micrel’s web site at: www.micrel.com.

Requirements

The MIC26603 provides a 5V regulated outp

voltage V

VDD should be tied to PVIN pins to bypass the internal

linear regulator by a jumper. The output load can either be

an active or passive load.

Precautions

The evaluation board does not have reverse polarity

protection. Applying a negative voltage to the V

may damage the device. In addition, the maximum V

operating voltage of the MIC26603 evaluation board is

28V. Exceeding 29V on VIN could damage the device

capacitance and also makes (High V

Hyper Light Load and Hyper Speed Control are trademarks of Micrel, Inc.

MLF and MicroLead Frame are registered trademarks of Amkor Technology, Inc.

July 2011

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (

ranging from 5.5V to 28V. When

et and supporting documentation

rt feature is provided to reduce th

t current. The output voltage is a

oad™ architecture p

)/(Low V

er-sag condi

variable

OUT

ripp

tio of the IC

rov

ut for input

lat

s in input

le control

ed output

equency,

ovided to

tions. An

switching

ides the

edium to

ort-circuit

e device

djustable

an input

onse as

e inrush

der light

terminal

can be

< 5.5V,

Getting Started

1. Connect an external supp

2. Connect the load to th

3. Enable

Ordering Information

408

Part Number

MIC26603YJL EV

Apply the desired input voltag

terminals of the evaluation

attention to polarity and supp

may be place between the inp

terminal to the evaluation b

supply voltage is monitored

ammeter and/or power lead

the voltage supplied to the in

terminals. The load can be e

or active (as in an electronic

be placed between the load

Ensure that the output voltage i

1.5V, 1.8V, 2.5V, 3.3V, or

different voltage is needed,

changing the feedba

Voltage

The output of the MIC26603 may be turned off by

shorting the EN pin to ground. A connection on the

board provides easy access to the enable pin.

Synchronous DC-DC Buck Regulator

OUT

) 944-0800 • fax + 1 (408) 474-1000 •

e evalu

rns on when V

MIC26603 Evaluation Board

terminal. V

” section.

28V, 6A HyperLight Load

ation board

e MIC266

SuperSwitcher IIG™

OUT

can be

6A HLL DC-DC Regulator Evaluation

03. The EN pin is provided on

. The output of th

exceeds

ck resistors. See “Output

set to 0.9V, 1.0V, 1.2V,

put.

at the V

5.0V by a jumper. If a

ly to the V

ly voltage. An ammeter

load). An ammeter can

e to the V

ither passive (resistive)

oard. Ensure that the

e V

and the V

resistance can reduce

it can be adjusted by

board, paying careful

the UVLO threshold.

ut supply and the V

Description

http://www.micrel.com

s monitored at the

OUT

Board

and ground

terminal. The

M9999-071511-A

OUT

e MIC26603

and ground

terminal.

Related parts for MIC26603YJL EV

MIC26603YJL EV Summary of contents

Page 1

... V The output of the MIC26603 may be turned off by shorting the EN pin to ground. A connection on the board provides easy access to the enable pin. ut for input V < 5.5V, IN Ordering Information Part Number MIC26603YJL EV terminal IN IN )/(Low OUT 408 ) 944-0800 • fax + 1 (408) 474-1000 • ...

Page 2

... Micrel, Inc. Output Voltage The output voltage on the MIC26603 evaluat adjustable set by adjusting the and one of R5, R6, R7, R8, R9, R10, R11, or can be calculated as follows as n example × OUT REF where V = 0.8V. REF The output voltage above is set at the factor output, but it can easily be changed by moving the jumper to a respective position to get an indicated voltage on the board ...

Page 3

... Micrel, Inc. Evaluation Board Performance Efficiency (V = 5V) IN vs. Output Current 100 OUTPUT CURRENT (A) Thermal Derating* vs. Ambient Temperature 1.8, 2.5, 3.3V OUT 2 0 -50 - 100 AMBIENT TEMPERATURE (°C) Die Temperature* : The temperature measurement was taken at the hottest point on the MIC26603 case mounted square inch 4 layer, 0.62”, FR-4 PCB with 2oz finish copper weight per layer, see Thermal Measurement section ...

Page 4

... Micrel, Inc. Evaluation Board Schematic July 2011 Schematic of MIC26603 Evaluation Board (J11, R13, R15 are for testing purposes) 4 MIC26603 10 A Evaluation Board M9999--071511-A ...

Page 5

... Micrel, Inc. Bil l of Mat erials Item Part Numb er C1 Open 12105C475KAZ2A C2, C3 GRM32ER71H475KA88L C3225X7R1H4 C4, C5 Open 12106D107MAT2A C13 GRM32ER60J107ME20L C3225X5R0J107M 06035C104KAT2A C6, C7, C10 GRM188R71H104KA93D C1608X7R 1H104K 0805ZC225MAT2A C8 GRM21BR71A225KA01L C2012X7R 1A225K 0805ZC225MAT2A C9 GRM21BR71A225KA01L C2012X7R1A225K 06035C223KAZ2A C12 GRM188R71H223K C1 608X7R1H223K C14 B41851F7227M C15 ...

Page 6

... MIC26603YJL Notes: 1. AVX: www.avx.com 2. Murata: www.mura ta.com/ 3. TDK: www.tdk.com 4. EPCOS: www.epcos.com 5. MCC: www.mcc.com 6. Diode Inc.: www.diodes.com 7. Vishay: www.vishay.com 8. Cooper Bussmann: www.cooperbussmann.com 9. Micrel, Inc.: www.micrel.com July 2011 ) Man ufacturer Descrip ( ishay Dale 806Ω ishay Dale 475Ω Re (7) EA ...

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MIC26603YJL EV Micrel, MIC26603YJL EV Datasheet

MIC26603YJL EV

Specifications of MIC26603YJL EV

Related parts for MIC26603YJL EV

MIC26603YJL EV Summary of contents

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