MAQ3203 Series

Catalog

IC LED DRIVER CTRLR DIM 8SOIC

Part	Supplier Device Package	Dimming	Applications	Mounting Type	Grade	Internal Switch(s)	Frequency	Number of Outputs	Voltage - Supply (Max) [Max]	Package / Case	Package / Case [y]	Package / Case [x]	Qualification	Operating Temperature [Min]	Operating Temperature [Max]	Type	Topology	Voltage - Supply (Min) [Min]
Microchip Technology MAQ3203YM-VAO	8-SOIC	PWM	Lighting	Surface Mount	Automotive		1.5 MHz	1	42 V	8-SOIC	3.9 mm	0.154 in	AEC-Q100	-40 °C	125 ¯C	DC DC Controller	Step-Down (Buck)	4.5 V
Microchip Technology MAQ3203YM-TRVAO	8-SOIC	PWM	Lighting	Surface Mount	Automotive		1.5 MHz	1	42 V	8-SOIC	3.9 mm	0.154 in	AEC-Q100	-40 °C	125 ¯C	DC DC Controller	Step-Down (Buck)	4.5 V

Catalog

Key Features

• * AEC-Q100 qualified

• * 4.5V to 42V input voltage range

• * High efficiency (>90%)

• * ±5% LED current accuracy

• * Dither enabled for low EMI

• * High-side current sense

• * Dedicated dimming control input

• * Hysteretic control (no compensation)

• * Up to 1.5MHz switching frequency

• * Adjustable constant LED current

• * Over-temperature protection

• * −40°C to +125°C junction temperature range

Description

The MAQ3203 is a hysteretic, step-down, constant-current, High-Brightness LED (HB LED) driver. It provides an ideal solution for interior/exterior lighting, architectural and ambient lighting, LED bulbs, and other general illumination applications. The MAQ3203 is well suited for lighting applications requiring a wide-input voltage range. The hysteretic control gives good supply rejection and fast response during load transients and PWM dimming. The high-side current sensing and on-chip current-sense amplifier delivers LED current with ±5% accuracy. An external high-side current-sense resistor is used to set the output current. The MAQ3203 offers a dedicated PWM input (DIM) which enables a wide range of pulsed dimming. A high-frequency switching operation up to 1.5MHz allows the use of smaller external components minimizing space and cost. The MAQ3203 offers frequency dither feature for EMI control. The MAQ3203 operates over a junction temperature from −40°C to +125°C and is available in an 8-pin SOIC package. The MAQ3203 is AEC-Q100 qualified for automotive applications.