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2879 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 2879
部品説明 QUAD HIGH-CURRENT DARLINGTON SWITCHES
メーカ Allegro MicroSystems
ロゴ Allegro MicroSystems ロゴ 



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2879 Datasheet, 2879 PDF,ピン配置, 機能
2878 AND
2879
Dwg. No. A-11,974
ABSOLUTE MAXIMUM RATINGS
at +25°C Free-Air Temperature
for any driver
(unless otherwise noted)
Output Voltage, VCEX
(UDN2878W) . . . . . . . . . . . . . . . . 50 V
(UDN2879W & UDN2879W-2) . . 80 V
Output Current, lC
(UDN2878W & UDN2879W) . . . 5.0 A
(UDN2879W-2) . . . . . . . . . . . . . 4.0 A
Input Voltage, VIN . . . . . . . . . . . . . . . . 15 V
Input Current, IIN . . . . . . . . . . . . . . . 25 mA
Supply Voltage, VS . . . . . . . . . . . . . . . 10 V
Total Package Power Dissipation,
PD . . . . . . . . . . . . . . . . . . . . See Graph
Operating Ambient Temperature Range,
TA . . . . . . . . . . . . . . . . -20°C to +85°C
Storage Temperature Range,
TS . . . . . . . . . . . . . . . -55°C to +150°C
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.
FEATURES
I Output Currents to 4 A
I Output Voltages to 80 V
I Loads to 1280 W
I TTL, DTL, or CMOS Compatible Inputs
I Internal Clamp Diodes
I Plastic Single In-Line Package
I Heat-Sink Tab
Always order by complete part number:
Part Number
UDN2878W
Max. IC Max. VCEX
5.0 A
50 V
UDN2879W
5.0 A
80 V
UDN2879W-2 4.0 A
80 V
Min. VCE (sus)
35 V
50 V
50 V

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