MAX16838AUP+, LED Driver, Boost, SEPIC, 4.75V to 40V in, 2 Outputs, 2 MHz Switch. Freq., 40V/150 mA out, TSSOP-20

PartNumber: MAX16838AUP+
Ном. номер: 8050121829
Производитель: Maxim Semiconductor
MAX16838AUP+, LED Driver, Boost, SEPIC ...
Доступно на заказ 34 шт. Отгрузка со склада в Москве 6 недель.
480 × = 480
от 10 шт. — 400 руб.
от 25 шт. — 297 руб.

Описание

The MAX16838AUP+ is an integrated, 2-channel, high brightness LED driver with high voltage boost and SEPIC controller in 20 pin TSSOP package. It integrates both DC to DC switching boost regulator and two 150mA current sinks. A current mode switching DC to DC controller provides necessary voltage to both strings of HB LEDs. The MAX16838 accepts a wide 4.75V to 40V input voltage range and directly withstands automotive load dump events. The wide input range allows powering HB LEDs for small to medium sized LCD displays in automotive and display backlight applications. An internal current mode switching DC to DC controller supports boost or SEPIC topologies and operates in an adjustable frequency range between 200KHz and 2MHz. The MAX16838 can be combined with MAX15054 to achieve buck-boost LED driver with two integrated current sinks. The channel current is adjustable from 20mA to 150mA using an external resistor.

• 4.75V to 40V or 5V ±10% input operating voltage range (internal LDO on)
• Automotive temperature range from -40°C to 125°C
• Adaptive output voltage adjustment scheme minimizes power dissipation in LED current sink paths
• Dropout voltage of 0.11V at VIN = 4.75V, IOUT = 30mA and output voltage of 5V
• Boost or SEPIC power topologies for maximum flexibility
• Quiescent supply current of 3.1mA and standby supply current of 15.5µA
• 5000: 1 PWM dimming at 200Hz, duty cycle of 90% at fSW = 200KHz and 85% at fSW = 2000KHz
• LED open/short detection and protection output overvoltage and overtemperature protection
• Programmable LED current foldback at lower input voltages and open-drain fault indicator output
• Current mode control switching stage with internal slope compensation

Полупроводники - Микросхемы\Микросхемы Управления Питанием\Драйверы и Контроллеры
Код: 2516053

Технические параметры

Топология Устройства
Повышающий, SEPIC
Количество Выходов
2выход(-ов)
Выходной Ток
150мА
Выходное Напряжение
40В
Стиль Корпуса Привода
TSSOP
Количество Выводов
20вывод(-ов)
Минимальное Входное Напряжение
4.75В
Максимальное Входное Напряжение
40В
Частота Коммутации
2МГц
Минимальная Рабочая Температура
-40°C
Максимальная Рабочая Температура
125°C
Упаковка
Поштучно
Уровень Чувствительности к Влажности (MSL)
MSL 1 - Безлимитный

Дополнительная информация

Datasheet MAX16838AUP+