Datasheet > EK60

EK60

更新时间： 2024-12-01 03:34:03

品牌	Logo	应用领域
APEX		/
页数	文件大小	规格书
3页	414K
描述
EVALUATION KIT FOR PA78 PIN-OUT

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中文翻译

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数据手册

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EK60 数据手册

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INTRODUCTION

ASSEMBLY

The EK60 evaluation kit is designed to provide a convenient

way to breadboard design ideas for the PA78EU power opera-

tional ampliﬁers. The EVAL60 evaluation board is pre-wired for

all required and recommended external components including

the ones for power supply bypassing, compensation and cur-

rent limiting. The EVAL60 also includes a breadboard area for

constructing your application circuit with provisions for a pre-

ampliﬁer to drive the PA78 inputs.

During assembly refer to Figure 1 and Figure 2.

1. Solder surface mount ceramic capacitors C4 and C5 on the

DUT side of the board.

2. Addcomponentsforcompensation(CC-,CC+,RC-andRC+)

based on the closed loop gain and capacitive load. Add the

current limit resistor (RLIM) based on load requirements (a

minimum value of 4.5 ohms should be used to protect the

PA78 internal output devices). It is recommended to use

MSO2 sockets for the components for quick component

changes on the board. Add 33pF capacitor (CT) between

DUT pins 3 and 5.

3. While developing your application circuit you will probably

want to use the mating socket strip. Use the MS11 socket

strip for mounting the PA78 EU. Clip off the strip after the

12th position. Insert the strip into the circuit board on the

DUT side and solder one pin on the reverse side. Check

whether the mating socket strip is fully seated against the

circuit board and then solder the remaining pins. Insert the

ampliﬁer fully into the socket strip, noting the pin 1 location

on the ampliﬁer and the circuit board.

PARTS LIST

Apex Part #

HS27

EVAL60

TW12

OX7R105KWN 1 uF Cap 3530B105K501N

Novacap, 200V Breakdown

140-500N5-330J 33pF Cap CDR-500N5-330KS

XICON

146510CJ

MS02

MS11

Description

Heatsink, Apex

PC Board, Apex

Thermal Washer, Apex

Quantity

1 Box

4. For high power applications (see PA78EU datasheet for

SOA considerations) mount the heat sink (HS27) in the

outlined area on the circuit board.

BNC Connector

Socket Strip

1 bag

5. If a heat sink is used, position the thermal washer behind

the ampliﬁer in such a way that the hole on the washer

coincides with the hole on the tab and the heat sink.

6. For high slew rate performance connect the heat tab to

a stable reference (see PA78U datasheet for details).

7. InstallthebananajacksforP1(+Vs), P2(-Vs)andP3(GND)

as shown in ﬁgure 1 and 2. There are provisions for two

extra banana jacks (P4 and P5) and can be used if desired

for external connections.

EK60 SCHEMATIC

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APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL prodlit@apexmicrotech.com

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