MAX8647ETE+

Series:	--
Packaging:	Strip
Part Status:	Active
Type:	DC DC Regulator
Topology:	Switched Capacitor (Charge Pump)
Internal Switch(s):	Yes
Number of Outputs:	6
Voltage - Supply (Min):	2.7V
Voltage - Supply (Max):	5.5V
Voltage - Output:	5V
Current - Output / Channel:	24mA
Frequency:	1MHz
Dimming:	I²C
Applications:	Backlight, Camera Flash
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	16-WFQFN Exposed Pad
Supplier Device Package:	16-TQFN (3x3)
Base Part Number:	MAX8647

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MAX8647ETE+ is a PMIC - LED Driver specifically designed to meet the needs of mobile phones and other portable electronic devices. It has integrated regulator circuits with a high switching frequency, a wide input voltage range, and low output noise that are ideal for driving LEDs. The device also offers an integrated switching frequency dimming range that allows for the dimming of LED brightness without causing significant changes in the LED\'s intensity.The MAX8647ETE+ is a current mode buck LED driver and has been designed with a temperature range from -40°C to +85°C. It is offered in a small 8-bump WLP package with a USB interface. It is capable of driving up to four strings of LEDs in parallel and controlling up to 16 channels of LEDs. This makes it suitable for both single-output and multi-output LED applications.MAX8647ETE+ offers a high efficiency power conversion with up to 98.3% efficiency when driving 100 mA. It also has an active current balancing feature which reduces output voltage ripple. The device is also capable of operating in active current limiting mode when the voltage rises above the set limit. This helps to protect against over-voltage conditions.The main advantage of using the MAX8647ETE+ is its flexibility. It is capable of dimming from 0 to 100% according to user\'s requirements. It also offers a wide range of Selectable switching frequencies from 500 kHz to 4.3 MHz. This allows for better optimization for specific frequencies for various applications.The MAX8647ETE+ also offers a wide input voltage range of 2.6V to 18V. This allows for a single charger board to be used across a wide range of battery chemistries. It also comes with a load-based LED regulation feature which helps maintain LED intensity even when battery voltage is changing. The device also offers short circuit protection, over-temperature protection, and load reverse protection.The working principle of the MAX8647ETE+ is quite simple. The device contains two integrated regulator driver circuitries. The first is a switch-mode pulse width modulator (PWM) which converts the battery voltage into a square wave of adjustable frequency and width. The second is a voltage controlled oscillator (VCO) which drives a current source. This current source is then used to regulate the current supplied to the LEDs.With its high efficiency and wide range of functions, The MAX8647ETE+ is an ideal choice for driving LEDs in portable devices and other applications. Its features make it a great choice for extreme operating conditions and for applications that require very precise dimming control.

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