MAX16999AUA25+

Current - Output:	100mA
Base Part Number:	MAX16999
Supplier Device Package:	8-uMax-EP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable, Power On Reset, Reset
PSRR:	70dB ~ 40dB (100Hz ~ 100kHz)
Current - Quiescent (Iq):	20µA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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ArticleMax16999AUA25+ is a positive-voltage linear regulator device with dual-output operation capability. It is specifically designed to provide the low output voltages needed by many types of battery-powered portable equipment. It is capable of providing up to 1.57A (150mAOutput1 + 150mAOutput2) of output current. The device is available in 10−pin, Ultra-Thin (1.6mm) WLP, 2.5mm x 2.9mm UDFN, and SOT-23-6 packages. It has been designed for low-noise operation and offers wide input voltage range (4.5V to 17V), low ON-state Dropout Voltage at up to 150mA operating current, and output voltage accuracy between ±2% from the 0.6V - 3.3V. ApplicationsMax16999AUA25+ is often used in various devices including mobile phones, tablets, digital cameras, game consoles, medical equipment, industrial systems, and automotive devices. It is suitable for applications where high efficiency and low power consumption are important, such as portable medical equipment, handsets, digital cameras, and any other battery powered device.Working Principle Max16999AUA25+ operates in a constant current, non-switching linear regulator mode. The device utilizes two differential control circuits and an output circuit to obtain two load currents. The input voltage is divided into two parts by the differential control circuits; one part is used to regulate the output voltage and the other is compared with a reference voltage to provide current regulation. A fixed voltage reference is connected to the output voltage regulator circuit, and a fixed current limiter is connected to the current regulator circuit. When the input voltage is higher than the output voltage, the voltage regulator circuit keeps the output voltage constant. When the input voltage is lower than the output voltage, the current regulator circuit keeps the output current limited to the predetermined setting value. The Max16999AUA25+ features a power-saving mode that reduces the device power consumption when the input voltage is above the output voltage. In this mode, the voltage regulator circuit is disabled, and the current regulator circuit works in a low-power state to maintain the output current. The power-saving mode reduces the power consumption of the device by as much as 70%. ConclusionMax16999AUA25+ is a highly integrated linear (-Voltage) regulator device with a dual-output capability that is designed to meet or exceed the requirements of low-power applications. Its wide input voltage range, low ON-state Dropout Voltage, and output voltage accuracy of ±2% make it an excellent choice for power-sensitive applications.

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