Product Summary

The A2557KLB-T is a protected quad low-side driver with fault detection and sleep mode. It has been specifically designed to provide cost-effective solutions to relay-driving applications with up to 300 mA drive current per channel. TheA2557KLB-T may also be used for driving incandescent lamps in applications where turn-on time is not a concern. Each of the four outputs will sink 300 mA in the on state. The outputs have a minimum breakdown voltage of 60 V and a sustaining voltage of 40 V.

Parametrics

A2557KLB-T maximum ratings: (1)Output Voltage: 60 V; (2)Over-Current Protected Output Voltage: 32 V; (3)Output Current, IO: 500 mA; (4)FAULT Output Voltage, VFLT: 60 V; (5)Logic Supply Voltage, VCC: 7.0 V; (6)Input Voltage, VI or VOE: 7.0 V; (7)Operating Temperature Range: -40℃ to +125℃; (8)Junction Temperature: +150℃; (9)Storage Temperature Range: -55℃ to +150℃.

Features

A2557KLB-T features: (1)300 mA Output Current per Channel; (2)Independent Over-Current Protection &Thermal Limiting for Each Driver; (3)Output Voltage to 60 V; (4)Output SOA Protection; (5)Fault-Detection Circuitry for Open or Shorted Load; (6)Low Quiescent Current Sleep Mode; (7)Integral Output Flyback/Clamp Diodes; (8)TTL- and 5 V CMOS-Compatible Inputs.

Diagrams

A2557KLB-T circuit diagram

A2550KLPTR-T
A2550KLPTR-T

IC RELAY DRVR AUTO W/REG 16TSSOP
Data Sheet
0-1: $1.45
1-10: $1.31
10-50: $1.18
50-100: $1.06
100-250: $0.94
250-500: $0.82
500-1000: $0.68
1000-2500: $0.63
A2557
A2557
Other

Data Sheet
Negotiable 
A2557ELBTR
A2557ELBTR

IC DRIVER QUAD 60V 300MA 16-SOIC
Data Sheet
Negotiable 
A2557KB
A2557KB

IC DRIVER QUAD 60V 300MA 16-DIP
Data Sheet
Negotiable 
A2557KB-T
A2557KB-T

IC DRIVER QUAD 60V 300MA 16-DIP
Data Sheet
Negotiable 
A2557KEB
A2557KEB

IC DRIVER QUAD 60V 300MA 28-PLCC
Data Sheet
Negotiable