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LED Drivers

Highly efficient LED drivers provide optimal performance in general lighting applications and in LED backlighting systems for large flat display panels.

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AS1100

8x8 matrix LED driver

AS1104

40mA 4-channel direct LED driver IC

AS1105

4x8 matrix LED driver IC

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Lighting Management Units

Highly integrated, flexible lighting management ICs support nearly all the illumination tasks performed in mobile phones.

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AS3675

Flexible lighting management unit with charge pump, DC-DC, 13 current sinks

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DC-DC Buck-Boost Converters

ams buck-boost converters offer high efficiency over a wide input-voltage range. The converters can convert voltages greater than, less than and equal to the output voltage at efficiencies of up to 90%.

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DC-DC Charge Pumps

Charge pumps – inductorless boost converters – from ams operate at up to 90% efficiency.

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AS1302

Inductorless boost converter, lowest power, 5V/30mA

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DC-DC Controllers

DC-DC boost controllers from ams work closely with ams LED drivers. They minimize power loss by maintaining the power input to the LEDs close to the level needed to drive them properly. The controllers adapt the voltage headroom over time and temperature automatically for maximum efficiency.

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Power Management Units

These highly integrated, flexible power management units are ideal for use in portable, battery-powered devices.

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AS3701

1 buck DC-DC, 2 LDOs, 500mA power path management linear charger, programmable startup

AS3709

5 buck DC-DCs, 2 LDOs, programmable startup

AS3711

3 buck DC-DC, 3A DC-DC controller, 8 LDOs, 1.5A linear/DC-DC charger

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Analog Switches

ams analog switches provide dual and quad options to the end user, providing numerous switching configurations for routing analog signals accurately and fast.

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Flash Drivers

Flash drivers combine integrated safety features with high current capability. They are suitable for use in small system solutions for smartphones, tablets and cameras.

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Smart Notification Light

Smartlight solutions produce lighting effects which enable manufacturers of mobile phones and other portable devices to differentiate their products. Offering programmable features, the smartlight products control backlighting, fun lighting and functional lighting operations.

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AS3668

4-channel breathlight controller

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DC-DC Buck Converters

The step down (buck) converter portfolio offers very high efficiencies of up to 96%. High switching speeds enable the use of very small external inductors. The DC-DC buck converters handle high input voltages of up to 32V.

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AS1341

HV DC-DC step-down converter 20V, 600mA

AS1382

Small solution 1A DC-DC step-down converter

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DC-DC Boost Converters

The ams step-up (boost) converter portfolio offers very high efficiencies of up to 96%, and the devices draw a very low quiescent current. High switching speeds enable the use of very small external inductors. These DC-DC boost converters can boost the input from a single battery cell to an output of up to 42V.

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AS1340

HV DC-DC step-up converter, 50V, output disconnect in shutdown

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LDOs

ams Low Dropout (LDO) linear regulators support a wide range of portable and battery-powered applications including RF equipment.

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AS1355

300mA triple low-dropout regulator

AS1364

1A ultra-low dropout linear regulator

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Supervisors

ams supervisors offer high accuracy and low power consumption. In battery-powered systems in particular, the supply must be monitored in order to perform safe start-up and shut-down operations.

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AS1917

Microprocessor supervisory circuits with manual reset and watchdog

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Operational Amplifiers

Operational amplifiers from ams are ideally suited to audio applications.

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AS1712

Quad rail-to-rail operational amplifier with shutdown

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