High Efficiency 1X/1.5X/2X Charge Pump with PWM Control for White LED Applications

Features • Input Voltage Range: 2.7V to 5.5V • PWM Brightness Control • Tri-Mode 1X, 1.5X, and 2X Charge Pump for Maximum Efficiency and VF Coverage • Drives Four Low- or High-VF Type LEDs • Up to 20mA LED Current per Channel • No Inductors • 1MHz Switching Frequency • Small Application C

High Efficiency 1X/1.5X/2X Charge Pump with PWM Control for White LED Applications

General Description The AAT3143 is a low noise, constant frequency charge pump DC/DC converter that uses a tri-mode load switch (1X), fractional (1.5X), and doubling (2X) conversion to maximize efficiency for white LED applications. The AAT3143 can deliver current levels up to 80mA to drive white

High Efficiency 1x/1.5x/2x Mode Charge Pump with PWM Control for White LED Applications

Please note: this product is being discontinued and is not recommended for new designs.\n\nThe AAT3143 is a low noise, constant frequency charge pump DC/DC converter that uses a tri-mode load switch (1X), fractional (1.5X), and doubling (2X) conversion to maximize efficiency for white LED applicatio • VIN range: 2.7V to 5.5V \n• PWM Brightness Control \n• Tri-mode 1x, 1.5x, and 2x Charge Pump for Maximum Efficiency and VF Coverage \n• Drives Four Low- or High-VF Type LEDs \n• Up to 20mA LED Current per Channel \n• No Inductors \n• 1MHz Switching Frequency \n• Small Application Circuit \n• AutoB;

丝印代码：ROXYY；High Efficiency 1X/1.5X/2X Charge Pump with PWM Control for White LED Applications

Features • Input Voltage Range: 2.7V to 5.5V • PWM Brightness Control • Tri-Mode 1X, 1.5X, and 2X Charge Pump for Maximum Efficiency and VF Coverage • Drives Four Low- or High-VF Type LEDs • Up to 20mA LED Current per Channel • No Inductors • 1MHz Switching Frequency • Small Application C

High Efficiency 1X/1.5X/2X Charge Pump with PWM Control for White LED Applications

General Description The AAT3143 is a low noise, constant frequency charge pump DC/DC converter that uses a tri-mode load switch (1X), fractional (1.5X), and doubling (2X) conversion to maximize efficiency for white LED applications. The AAT3143 can deliver current levels up to 80mA to drive white

SENSITIVE HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION

RATIOMETRIC, LINEAR HALL-EFFECT SENSORS FOR HIGH-TEMPERATURE OPERATION The A3515– and A3516– are sensitive, temperature-stable linear Hall effect sensors with greatly improved offset characteristics. Ratiometric, linear Hall-effect sensors provide a voltage output that is proportional to the appl

SENSITIVE HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION

FEATURES and BENEFITS ■ Superior Temp. Stability for Automotive or Industrial Applications ■ 4.5 V to 24 V Operation … Needs Only An Unregulated Supply ■ Open-Collector 25 mA Output … Compatible with Digital Logic ■ Reverse Battery Protection ■ Activate with Small, Commercially Available Perm

SENSITIVE HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION

RATIOMETRIC, LINEAR HALL-EFFECT SENSORS FOR HIGH-TEMPERATURE OPERATION The A3515– and A3516– are sensitive, temperature-stable linear Hall effect sensors with greatly improved offset characteristics. Ratiometric, linear Hall-effect sensors provide a voltage output that is proportional to the appl

SENSITIVE HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION

RATIOMETRIC, LINEAR HALL-EFFECT SENSORS FOR HIGH-TEMPERATURE OPERATION The A3515– and A3516– are sensitive, temperature-stable linear Hall effect sensors with greatly improved offset characteristics. Ratiometric, linear Hall-effect sensors provide a voltage output that is proportional to the appl

SENSITIVE HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION

RATIOMETRIC, LINEAR HALL-EFFECT SENSORS FOR HIGH-TEMPERATURE OPERATION The A3515– and A3516– are sensitive, temperature-stable linear Hall effect sensors with greatly improved offset characteristics. Ratiometric, linear Hall-effect sensors provide a voltage output that is proportional to the appl