LM3370TL-3008/NOPB

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Fixed
Number of Outputs:	2
Voltage - Input (Min):	2.7V
Voltage - Input (Max):	5.5V
Voltage - Output (Min/Fixed):	1.2V, 2V
Voltage - Output (Max):	--
Current - Output:	600mA
Frequency - Switching:	2MHz
Synchronous Rectifier:	Yes
Operating Temperature:	-30°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	20-UFBGA
Supplier Device Package:	20-uSMD
Base Part Number:	LM3370

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Introduction

The LM3370TL-3008/NOPB is a voltage regulator designed specifically for Power Management IC (PMIC) applications. It combines the features of an advanced precision voltage regulator and a configurable Digital Pulse Width Modulation (PWM) Regulator. The LM3370TL-3008/NOPB is ideal for applications such as mobile phones, laptop computers, PDAs, GPSs and other low power consumption applications with an efficient and reliable platform.

Features

The LM3370TL-3008/NOPB offers a wide range of features that make it highly suitable for power management applications. They include: • Fast response time, enabling fast response to system demands• High accuracy voltage regulation to maintain constant outputs and help reduce dynamic power consumption • Low output noise due to its low dropout voltage and high efficiency rating• Built-in protection features for overcurrent, overvoltage and reverse polarity protection• Digital programmable output voltage allowing adjustable output voltage from 0.8V to 6V• Optional synchronization capability allows the outputs to be synchronized to an external clock

Functionality of LM3370TL-3008/NOPB

The LM3370TL-3008/NOPB is the perfect device to environment power management applications that require high efficiency and low noise operation. The digitally programmable output voltage will deliver constant voltage across wide load currents. The device utilizes a voltage regulating architecture which is capable of providing low output noise and fast transient response to changes in load or input voltage. The LM3370TL-3008/NOPB also has built-in protection features for shorts to ground, shorts to VIN, and over-current conditions. In addition to power monitoring and control the device allows synchronization of different output blocks to an external clock.

Application Field of LM3370TL-3008/NOPB

The LM3370TL-3008/NOPB is primarily designed for low power, highly integrated applications such as mobile phones, digital cameras, PDAs, portable navigation devices, and other consumer and computer devices. Its features make it ideal for applications that require an efficient and reliable platform. The LM3370TL-3008/NOPB is suitable for battery powered applications, as well as systems that require low power operation such as in battery-free and long time product operation. The device also provides voltage regulation and embedded protections, ensuring that system operation is safe and reliable.

Working Principle of LM3370TL-3008/NOPB

The LM3370TL-3008/NOPB is a digitally programmable voltage regulator. The device works by utilizing a voltage regulating architecture which is capable of providing low output noise and fast transient response to changes in load or input voltage.The voltage regulator architecture involves four main components: the sense amplifier, the reference voltage, the voltage feedback loop and the error amplifier. The sense amplifier takes the output voltage value as input and outputs a signal, which is then compared to a reference voltage set by the user. This comparison forms the voltage feedback loop which enables the regulator to maintain the desired output voltage. The error amplifier takes as input the comparison signal from the voltage feedback loop and the PWM signal from the digital control port. The output of the error amplifier is then used to control the output voltage of the regulator. The PWM signal allows the user to program the output voltage of the LM3370TL-3008/NOPB while the error amplifier ensures the output voltage is maintained. This ensures that the output voltage is always kept at the desired value, regardless of any changes in load demand or input voltage.

Conclusion

The LM3370TL-3008/NOPB is an advanced precision voltage regulator designed specifically for power management IC applications. It combines the features of an advanced precision voltage regulator and a configurable digital pulse width modulation regulator. The digital programmable output voltage allows adjustable output voltage from 0.8V to 6V, making it ideal for low power consumption applications. The device also features fast response time and high accuracy voltage regulation to help minimize dynamic power consumption. The device is also protected from over-current, overvoltage, and reverse polarity. The LM3370TL-3008/NOPB is suitable for battery-powered and systems that require low power operations. Its features make it ideal for applications such as mobile phones, digital cameras, PDAs, portable navigation devices, and other consumer and computer devices.

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