Datasheet > WHY5640

WHY5640

更新时间： 2024-09-24 11:57:11

品牌	Logo	应用领域
其他 - ETC		控制器
页数	文件大小	规格书
24页	388K
描述
Subminiature Temperature Controller

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WHY5640 数据手册

January 8, 2002

WHY5640

Subminiature Temperature Controller

(BOTTOM VIEW)

GENERAL DESCRIPTION:

The WHY5640 is a general purpose analog PI

(Proportional, Integral) control loop for use in

thermoelectric or resistive heater temperature

control applications. The WHY5640 maintains

precision temperature regulation using an active

resistor bridge circuit that operates directly

with thermistors or RTD temperature sensors.

Supply up to 2 Amps of heat and cool current to

your thermoelectric from a single +5 Volt power

supply.

FEATURES:

• + 5 to + 28V Operation

• Low Cost

• 0.008 ˚C Stability (typical)

• PI Temperature Control

• High 2 Amps Output Current

• Control Above and Below Ambient

• Small Package Size

Connect two or more WHY5640 units together

and drive higher output currents.

Figure 1

Top View Pin Layout

and Descriptions

TOP VIEW

AGND

Buffer B 14

Thermoelectric Output B 13

BUFB

OUTB

CGND

PGND

Analog Ground

Limit B

LIMB

LIMA

BUFA

Control Electronics Supply Ground 12

Power Drive Supply Ground 11

Power Drive Supply Input 10

3 Limit A

Buffer A

Gain/Integrator Common

Thermoelectric Output A

OUTA

ERR

SENS

6 Temperature Error Output

7 Sensor and Setpoint Input

Control Electronics Supply Input

VDD

IFYOU ARE UPGRADE FROMTHEWHY5640 to theWTC3243: The position of Pin 1 on theWHY5640

is reversed (or mirrored) relative to the position of Pin 1 on the WTC3243.

WHY5640-00400-A Rev C

www.teamwavelength.com

2001, 2003

12 3 4 5 6 7...24

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