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Allegro Micro Systems A44 DataSheet

No. parte # Fabricante Descripción Hoja de Datos
1
A4447

Allegro Micro Systems
High Voltage Step Down Regulator
AND BENEFITS ▪ Wide input voltage range: 8 to 50 V ▪ Integrated low RDS(on) DMOS switch ▪ 2 A continuous output current ▪ Adjustable fixed off-time ▪ Highly efficient ▪ Adjustable output: 0.8 to 24 V ▪ Small package with exposed thermal pad PACKAGE:
Datasheet
2
A4402

Allegro Micro Systems
Constant On-Time Buck Converter
and Benefits ▪ 2 MHz switching frequency ▪ Adjustable soft start timer ▪ Watchdog input ▪ Power-on reset output ▪ Adjustable 2% buck regulator ▪ Adjustable 2% linear regulator ▪ Enable input ▪ 6 to 50 V supply voltage range ▪ Overcurrent protection ▪
Datasheet
3
A4408

Allegro Micro Systems
Adjustable Frequency Buck or Buck-Boost Pre-Regulator
AND BENEFITS
• Automotive AEC-Q100 qualified
• 2.8 to 36 VIN operating range, 40 VIN maximum
• Buck or buck-boost pre-regulator (VREG)
• Adjustable PWM switching frequency: 250 kHz to 2.4 MHz
• PWM frequency can be synchronized to external clock
Datasheet
4
A4409

Allegro Micro Systems
Adjustable Frequency Buck or Buck-Boost Pre-Regulator
AND BENEFITS
• Automotive AEC-Q100 qualified
• VIN operating range from 3 to 36 V, with 40 V maximum
• Buck or buck-boost pre-regulator (VREG)
• Adjustable PWM switching frequency: 250 kHz to 2.4 MHz
• PWM frequency can be synchronized to extern
Datasheet
5
A4406

Allegro Micro Systems
Constant On-Time Buck Regulator
and Benefits
• AEC-Q100 Grade 0 qualified
• Internal buck pre-regulator followed by LDO outputs
• 5.5 to 36 V VIN operating range (50 V maximum); for start/stop, cold crank, and load dump requirements
• 2.2 MHz constant on-time buck regulator
• 50 V
Datasheet
6
A4411

Allegro Micro Systems
Adjustable Frequency Buck or Buck-Boost Pre-Regulator
AND BENEFITS
• Automotive AEC-Q100 qualified
• 3.5 to 36 VIN operating range, 40 VIN maximum
• Buck or buck-boost pre-regulator (VREG)
• Adjustable PWM switching frequency: 250 kHz to 2.4 MHz
• PWM frequency can be synchronized to external clock
Datasheet
7
A4401

Allegro Micro Systems
Automotive Quasi-Resonant Flyback Controller
and Benefits ▪ Multiple output regulator ▪ 7 to 40 V input supply ▪ Low EMI conducted and radiated emissions ▪ Adaptive quasi-resonant turn on/off control ▪ Minimal number of external components ▪ Enable input which can be driven with respect to the
Datasheet
8
A4410

Allegro Micro Systems
Adjustable Frequency Buck or Buck/Boost Pre-Regulator
AND BENEFITS
• Automotive AEC-Q100 qualified
• 2.8 VIN to 36 VIN operating range, 40 VIN maximum
• Buck or buck/boost pre-regulator (VREG)
• Adjustable PWM switching frequency: 250 kHz
  – 2.4 MHz
• PWM frequency can be synchronized to external cl
Datasheet
9
A4407

Allegro Micro Systems
2.2 MHz Constant On-Time Buck Regulator
and Benefits
• AEC-Q100 Grade 0 qualified
• Internal buck pre-regulator followed by LDO outputs
• 5.5 to 36 V VIN operating range (50 V maximum); for start/stop, cold crank, and load dump requirements
• Constant on-time (COT) buck pre-regulator
• Val
Datasheet
10
A4405

Allegro Micro Systems
Constant On-Time Buck Regulator
and Benefits
• AEC-Q100 Grade 0 qualified
• Internal buck pre-regulator followed by LDO outputs
• 5.5 to 36 V VIN operating range (50 V maximum); for start/stop, cold crank, and load dump requirements
• 2.2 MHz constant on-time buck regulator
• Valle
Datasheet



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