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Allegro 255 DataSheet

No. parte # Fabricante Descripción Hoja de Datos
1
A2550

Allegro MicroSystems
Relay Driver
and Benefits ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ Three independent low-side DMOS output drivers Short-circuit protection of drivers Eliminates need for flyback diodes on relays Thermal shutdown Separate precision 5 V regulator (2%) Current clamp on 5 V regulator
Datasheet
2
2559

AllegroMicroSystems
PROTECTEDQUADPOWERDRIVER
I I I I I I I 700 mA Output Current per Channel Independent Over-Current Protection for Each Driver Thermal Protection for Device and Each Driver Low Output-Saturation Voltage Integral Output Flyback Diodes TTL and 5 V CMOS Compatible Inputs Pin-Com
Datasheet
3
2557

Allegro
PROTECTED QUAD LOW-SIDE DRIVER
I 300 mA Output Current per Channel I Independent Over-Current Protection &Thermal Limiting for Each Driver I Output Voltage to 60 V I Output SOA Protection I Fault-Detection Circuitry for Open or Shorted Load I Low Quiescent Current Sleep Mode I Int
Datasheet
4
A2557

Allegro MicroSystems
PROTECTED QUAD LOW-SIDE DRIVER WITH FAULT DETECTION & SLEEP MODE
I 300 mA Output Current per Channel I Independent Over-Current Protection &Thermal Limiting for Each Driver I Output Voltage to 60 V I Output SOA Protection I Fault-Detection Circuitry for Open or Shorted Load I Low Quiescent Current Sleep Mode I Int
Datasheet
5
4255

Allegro MicroSystems
8-BIT MICROCONTROLLER
ABSOLUTE MAXIMUM RATINGS I I I I I I Full-, Half-, Quarter-, Eighth-, or Sixteenth-Step Increments DC to 20 MHz Clock Input Power-On Reset Brown-Out Reset High-Speed CMOS Technology Low Power, <20 mA @ 5 V, 20 MHz (Typically 9 mA) Supply Voltage, VD
Datasheet
6
2559

Allegro
PROTECTED QUAD POWER DRIVER
I 700 mA Output Current per Channel I Independent Over-Current Protection for Each Driver I Thermal Protection for Device and Each Driver I Low Output-Saturation Voltage I Integral Output Flyback Diodes I TTL and 5 V CMOS Compatible Inputs I Pin-Comp
Datasheet
7
UDK2559

Allegro MicroSystems
PROTECTED QUAD POWER DRIVER
and Benefits ▪ 700 mA output current per channel ▪ Independent overcurrent protection for each driver ▪ Thermal protection for device and each driver ▪ Low output-saturation voltage ▪ Integral output flyback diodes ▪ TTL and 5 V CMOS-compatible input
Datasheet
8
A4255CA

Allegro MicroSystems
8-BIT MICROCONTROLLER
ABSOLUTE MAXIMUM RATINGS I I I I I I Full-, Half-, Quarter-, Eighth-, or Sixteenth-Step Increments DC to 20 MHz Clock Input Power-On Reset Brown-Out Reset High-Speed CMOS Technology Low Power, <20 mA @ 5 V, 20 MHz (Typically 9 mA) Supply Voltage, VD
Datasheet
9
A4255CLN

Allegro MicroSystems
8-BIT MICROCONTROLLER
ABSOLUTE MAXIMUM RATINGS I I I I I I Full-, Half-, Quarter-, Eighth-, or Sixteenth-Step Increments DC to 20 MHz Clock Input Power-On Reset Brown-Out Reset High-Speed CMOS Technology Low Power, <20 mA @ 5 V, 20 MHz (Typically 9 mA) Supply Voltage, VD
Datasheet
10
UDN2559

Allegro MicroSystems
PROTECTED QUAD POWER DRIVER
and Benefits ▪ 700 mA output current per channel ▪ Independent overcurrent protection for each driver ▪ Thermal protection for device and each driver ▪ Low output-saturation voltage ▪ Integral output flyback diodes ▪ TTL and 5 V CMOS-compatible input
Datasheet
11
UDQ2559

Allegro MicroSystems
PROTECTED QUAD POWER DRIVER
and Benefits ▪ 700 mA output current per channel ▪ Independent overcurrent protection for each driver ▪ Thermal protection for device and each driver ▪ Low output-saturation voltage ▪ Integral output flyback diodes ▪ TTL and 5 V CMOS-compatible input
Datasheet



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