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Microchip AT9 DataSheet

No. parte # Fabricante Descripción Hoja de Datos
1
AT9933

Microchip
Hysteretic Boost-Buck LED Driver

• AEC-Q100 Automotive Qualified, See Product Identification System
• Constant Current LED Driver
• Steps Input Voltage Up or Down
• Low Electromagnetic Interference (EMI)
• Variable Frequency Operation
• Internal 75V Linear Regulator
• Input and Outp
Datasheet
2
AT9919

Microchip
Hysteretic Buck High-Brightness LED Driver

• AEC-Q100 Qualified
• Hysteretic Control with High-side Current Sensing
• Wide Input Voltage Range: 4.5V to 40V
• >90% Efficiency
• Typical ±5% LED Current Accuracy
• Up to 2 MHz Switching Frequency
• Adjustable Constant LED Current
• Analog or Puls
Datasheet
3
AT93C86A

Microchip
Three-Wire Serial EEPROM

• Low-Voltage Operation:
  – VCC = 1.8V to 5.5V
  – VCC = 2.7V to 5.5V
• User-Selectable Internal Organized as 2,048 x 8 (16K) or 1,024 x 16 (16K)
• Industrial Temperature Range: -40°C to +85°C
• Three-Wire Serial Interface
• Sequential Read Operation
Datasheet
4
AT93C46D

Microchip
Three-Wire Serial EEPROM

• Low-Voltage Operation:
  – VCC = 1.8V to 5.5V
• User-Selectable Internally Organized as 128 x 8 (1K) or 64 x 16 (1K)
• Non-Selectable Internal Organization as 64 x 16 (1K), AT93C46E Only
• Industrial Temperature Range: -40°C to +85°C
• Three-Wire Ser
Datasheet
5
AT93C66B

Microchip
Three-wire Serial EEPROM

• Low-Voltage Operation:
  – VCC = 1.7V to 5.5V
• User-Selectable Internal Organization:
  – 2K: 256 x 8 or 128 x 16
  – 4K: 512 x 8 or 256 x 16
• Industrial Temperature Range: -40°C to +85°C
• Three-Wire Serial Interface
• Sequential Read Operation
• 2 MH
Datasheet
6
AT9932

Microchip
Automotive Boost-Buck LED Lamp Driver

• Constant Output Current
• Steps Output Voltage Up or Down
• Very Low Susceptibility to Input Voltage Transients
• Frequency Jitter
• Externally Programmable Fixed Switching Frequency
• Temperature Foldback with External NTC Resistor
• Internal 40V
Datasheet
7
AT93C46E

Microchip
Three-Wire Serial EEPROM

• Low-Voltage Operation:
  – VCC = 1.8V to 5.5V
• User-Selectable Internally Organized as 128 x 8 (1K) or 64 x 16 (1K)
• Non-Selectable Internal Organization as 64 x 16 (1K), AT93C46E Only
• Industrial Temperature Range: -40°C to +85°C
• Three-Wire Ser
Datasheet
8
AT93C56B

Microchip
Three-wire Serial EEPROM

• Low-Voltage Operation:
  – VCC = 1.7V to 5.5V
• User-Selectable Internal Organization:
  – 2K: 256 x 8 or 128 x 16
  – 4K: 512 x 8 or 256 x 16
• Industrial Temperature Range: -40°C to +85°C
• Three-Wire Serial Interface
• Sequential Read Operation
• 2 MH
Datasheet
9
AT9917

Microchip
Automotive LED Driver

• AEC-Q100 Automotive Reliability Qualified
• Switch Mode Controller for Boost, SEPIC and Buck Converters
• Closed-Loop Control of Output Current
• High PWM Dimming Ratio
• Internal 40V Linear Regulator
• Internal 3% Voltage Reference
• Constant Freq
Datasheet



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