MAX8902BATA/V+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, Power Good
PSRR:	92dB ~ 62dB (5kHz ~ 100kHz)
Current - Supply (Max):	160µA
Current - Quiescent (Iq):	120µA
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	0.12V @ 500mA
Voltage - Output (Max):	5.3V
Voltage - Output (Min/Fixed):	0.6V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to MAX8902BATA/V+T

MAX8902BATA/V+T is a linear voltage regulator from Maxim Integrated. This device is available in a wide variety of different form factors and provides low drift, high accuracy and low power for modern applications. The MAX8902BATA/V+T is a single integrated power management solution that provides adjustable output voltage from 0.75 to 5.25V, with a current limit of 250 mA. The device also features integrated thermal limit, over-temperature protection and under-voltage lockout.The MAX8902BATA/V+T has a relatively compact package and can be used in applications ranging from small embedded systems to larger servers and workstations. The device also offers high efficiency and maximum flexibility when powering DC and unregulated AC/DC sources.

Application Field and Working Principle of MAX8902BATA/V+T

The MAX8902BATA/V+T is designed specifically to provide precision voltage regulation in computing, networking, industrial and embedded applications. The device integrates a power-efficient step-down (buck) voltage regulator, an LDO linear regulator, a thermal protection circuit and a low dropout regulator.The integrated buck regulator of the MAX8902BATA/V+T includes a high efficiency PWM topology that operates in both constant voltage and constant current modes. This allows the regulator to provide accurate and clean power supply independent of the input source. The regulator also features a low on-resistance output MOSFET to deliver up to 250mA of output current with very low noise and ripple.The MAX8902BATA/V+T also features an integrated Linear Regulator that provides a constant output voltage with a maximum line/load regulation of +/- 0.2%. This is accomplished by measuring the output voltage and comparing that to an internally generated reference voltage. The output voltage can be adjusted over a wide range by simply adjusting a single external resistor.The MAX8902BATA/V+T also includes extensive thermal limit and over-temperature protection circuits. This reduces the amount of heat generated by the device and prevents it from overheating when in operation. Additionally, the integrated low dropout regulator (LDO) offers improved load current transfer characteristics and reduced system power dissipation.

Conclusion

The MAX8902BATA/V+T are excellent choices for applications requiring precision voltage regulation without any external components. Its integrated buck and linear regulators, low dropout regulator, thermal protection and high accuracy make it an ideal choice for embedded applications. Furthermore, the device is designed to operate over a wide temperature range and offers protection against over-temperature conditions.

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