MAX8902AATA+T

Current - Output:	500mA
Base Part Number:	MAX8902
Supplier Device Package:	8-TDFN-EP (2x2)
Package / Case:	8-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature, Reverse Polarity, Short Circuit, Soft Start
Control Features:	Enable
PSRR:	92dB ~ 62dB (5kHz ~ 100kHz)
Current - Supply (Max):	160µA
Current - Quiescent (Iq):	120µA
Series:	--
Voltage Dropout (Max):	0.12V @ 500mA
Voltage - Output (Max):	4.7V
Voltage - Output (Min/Fixed):	1.5V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Programmable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MAX8902AATA+T Application Field and Working PrincipleThe MAX8902AATA+T is an adjustable linear-mode voltage regulator that features voltage regulation beyond existing standards in a small package size. The MAX8902AATA+T provides an ultra-high accuracy reference level of 0.02%, with a wide input voltage range of 2.5V to 6V and a user-adjustable output voltage range of 0.8V to 5V. The MAX8902AATA+T is designed to provide high accuracy to all types of voltage regulators, from initial overvoltage conditions to final low voltage levels. These features make the MAX8902AATA+T ideal for applications where high accuracy, small size, and wide input and output voltage range are desired. The MAX8902AATA+T is suitable for use in a wide range of applications, including personal media players, PDAs, and mobile phones. This device offers superior performance when compared to alternative devices, and is able to provide excellent noise immunity and high line regulation, making it ideal for use in audio applications where tight voltage regulation is required.The MAX8902AATA+T is a linear regulator, meaning it is able to provide a regulated output voltage without switching transistors. The device is able to reduce input voltage to a user-selected output voltage, and offers excellent transient response characteristics. The MAX8902AATA+T draws very low current from the regulated output, conserving energy and reducing heat dissipation.The MAX8902AATA+T features a voltage-floating architecture, allowing it to accept either positive or negative input voltages, and yet maintain a stable output. The MAX8902AATA+T is extremely sensitive to noise, and is able to operate in the presence of noise up to the level of 1% of the output. This makes the device suitable for use in noise-sensitive applications, such as power supplies for handheld devices where high levels of vibration are present.To control output voltage, the MAX8902AATA+T uses an external feedback resistor divider. The device features a programmable output voltage range from 0.8V to 5V. The resistor divider can be manually adjusted by the user, allowing for fine tuning of the output voltage. To provide additional flexibility, the device also features an enable pin which allows the user to switch the regulator on or off. The MAX8902AATA+T also features a built-in protection circuit which can detect an input voltage outside the specified range, as well as overtemperature conditions, and will automatically shut down the device when such conditions are detected.The MAX8902AATA+T provides excellent power dissipation and power efficiency, making it ideal for high power applications, such as those found in portable electronics. The device is available in tiny packages, such as TQFN-16 and TSSOP-16, and can be easily soldered onto the board. The device is RoHS compliant, and its operational temperature range is -40°C to +85°C.In summary, the MAX8902AATA+T is a small but powerful voltage regulator that provides excellent performance in a wide range of applications. It features small packages, wide input and output voltage range, and excellent accuracy. Moreover, the device\'s voltage-floating architecture allows it to accept both positive and negative input voltages, while its enable pin and built-in protection circuit allow for greater flexibility and protection against input voltage outside the specified range and over-temperature conditions.

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