Datasheet > UDN2879W-2

UDN2879W-2

更新时间： 2024-11-28 22:22:27

品牌	Logo	应用领域
急速微 - ALLEGRO		接口集成电路驱动
页数	文件大小	规格书
8页	222K
描述
QUAD HIGH-CURRENT DARLINGTON SWITCHES

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UDN2879W-2 数据手册

2878

2879 ^AND

QUAD HIGH-CURRENT

DARLINGTON SWITCHES

These quad Darlington arrays are designed to serve as interface

between low-level logic and peripheral power devices such as sole-

noids, motors, incandescent displays, heaters, and similar loads of up to

320 W per channel. Both integrated circuits include transient-suppres-

sion diodes that enable use with inductive loads. The input logic is

compatible with most TTL, DTL, LSTTL, and 5 V CMOS logic.

Type UDN2878W and UDN2879W 4 A arrays are identical except

for output-voltage ratings. The former is rated for operation to 50 V

(35 V sustaining), while the latter has a minimum output breakdown

rating of 80 V (50 V sustaining). The lower-cost UDN2879W-2 is

recommended for applications requiring load currents of 3 A or less.

These less expensive devices are identical to the basic parts except for

the maximum allowable load-current rating.

For maximum power-handling capability, all drivers are supplied

in a 12-pin single in-line power-tab package. The tab needs no insula-

tion. External heat sinks are usually required for proper operation of

these devices.

Dwg. No. A-11,974

FEATURES

I Output Currents to 4 A

I Output Voltages to 80 V

I Loads to 1280 W

ABSOLUTE MAXIMUM RATINGS

at +25°C Free-Air Temperature

for any driver

I TTL, DTL, or CMOS Compatible Inputs

I Internal Clamp Diodes

I Plastic Single In-Line Package

I Heat-Sink Tab

(unless otherwise noted)

Output Voltage, V_CEX

(UDN2878W) . . . . . . . . . . . . . . . . 50 V

(UDN2879W & UDN2879W-2) . . 80 V

Output Current, l_C

(UDN2878W & UDN2879W) . . . 5.0 A

(UDN2879W-2) . . . . . . . . . . . . . 4.0 A

Input Voltage, V_IN. . . . . . . . . . . . . . . . 15 V

Input Current, I_IN. . . . . . . . . . . . . . . 25 mA

Supply Voltage, V_S. . . . . . . . . . . . . . . 10 V

Always order by complete part number:

Total Package Power Dissipation,

P_D. . . . . . . . . . . . . . . . . . . . See Graph

Operating Ambient Temperature Range,

T_A. . . . . . . . . . . . . . . . -20°C to +85°C

Storage Temperature Range,

Part Number

UDN2878W

UDN2879W

UDN2879W-2

Max. I_CMax. V_CEX

Min. V_{CE (sus)}

35 V

5.0 A

4.0 A

50 V

80 V

50 V

T_S. . . . . . . . . . . . . . . -55°C to +150°C

50 V

12 3 4 5 6 7 8

中文翻译

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UDN2879W-2 替代型号

型号	品牌	替代类型	描述	数据表
UDN2879W	ALLEGRO	类似代替	QUAD HIGH-CURRENT DARLINGTON SWITCHES

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