Datasheet > 2596

2596

更新时间： 2022-11-25 16:02:57

品牌	Logo	应用领域
急速微 - ALLEGRO		驱动器
页数	文件大小	规格书
4页	63K
描述
8-CHANNEL SATURATED SINK DRIVERS

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2596 数据手册

2596 AND 2597

2596AND

2597

8-CHANNEL

SATURATED SINK DRIVERS

8-CHANNEL

SATURATED SINK DRIVERS

Low output-saturation voltages at high load currents are provided

by UDN2596A and UDN2597A sink driver ICs. These devices can be

used as interface buffers between standard low-power digital logic

(particularly MOS) and high-power loads such as relays, solenoids,

stepping motors, and LED or incandescent displays. The eight satu-

rated sink drivers in each device feature high-voltage, high-current

open-collector outputs. Transient suppression clamp diodes and a

minimum 35 V output sustaining voltage allow their use with many

inductive loads.

The saturated (non-Darlington) NPN outputs provide low collector-

emitter voltage drops as well as improved turn-off times due to an

active pull-down function within the output predrive section. The

UDN2596A is for use with output loads to 500 mA while the

UDN2597A is for use with loads to 1 A. Adjacent outputs may be

paralleled for higher load currents.

Inputs require very low input current and are activated by a low

logic level consistent with the much greater sinking capability associ-

ated with NMOS, CMOS, and TTL logic. The UDN2596A and

UDN2597A are rated for use with 5 V logic levels.

Dwg. No. W-100

Both devices are furnished in 20-pin DIP packages with copper

leadframes for improved thermal characteristics. The UDN2596A is

also available for operation between -40°C and +85°C. To order,

change the prefix from ‘UDN’ to ‘UDQ’.

FEATURES

ABSOLUTE MAXIMUM RATINGS

■ Non-Inverting Function

■ Low Output ON Voltages

■ Up to 1.0 A Sink Capability

■ 50 V Min. Output Breakdown

■ Output Transient-Suppression

Diodes

■ Output Pull-Down for

Fast Turn-Off

■ TTL, CMOS Compatible Inputs

■ Automotive Capable

at T_A= + 25°C

OutputVoltage,V_CE................................ 50 V

Output Current, I_OUT

(UDN2596A) ............................ 500 mA

(UDN2597A) ................................ 1.0 A

Supply Voltage, V_CC............................ 7.0 V

Input Voltage, V_lN................................. 7.0 V

Package Power Dissipation,

ONE OF EIGHT DRIVERS

P_D............................................. 2.27 W*

Operating Temperature Range,

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

Storage Temperature Range,

T_S.............................. -65°C to +150°C

*Derate at the rate of 18.2 mW/°C above

T_A= +25°C

Dwg. No. W-101

12 3 4

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