LP3985ITL-2.7/NOPB

Current - Output:	150mA
Base Part Number:	LP3985
Supplier Device Package:	5-DSBGA (1.41x1.08)
Package / Case:	5-WFBGA, DSBGA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	50dB ~ 40dB (1kHz ~ 10kHz)
Current - Supply (Max):	250µA
Current - Quiescent (Iq):	150µA
Series:	--
Voltage Dropout (Max):	0.1V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.7V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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National Semiconductor\'s LP3985ITL-2.7/NOPB is a linear regulator with a wide application field and a simple working principle. It is classified as a PMIC (Power Management Integrated Circuit) under the voltage regulators with linear voltage feature. The LP3985ITL-2.7/NOPB is designed for providing constant output voltage to many kinds of loads. It is ideal for battery-power systems, mobile applications and portable devices.The LP3985ITL-2.7/NOPB device is an integrated, ultra low-power linear regulator. It is popular because of its high performance and its ultra low power consumption. The device uses the typical linear voltage regulator topology, which includes a P-channel MOSFET and an N-channel MOSFET to regulate a DC input voltage.The LP3985ITL-2.7/NOPB supports a wide range of output voltage selections, ranging from 2.3V to 6.8V. It provides 1.3V above the current output voltage, giving enough headroom for most loads. The device has an output current up to 70mA. The LP3985ITL-2.7/NOPB has a very low quiescent current of 1uA under normal operating conditions, making it ideal for low-power applications. The device also features a fast start-up time of 1ms. It has an open loop gain of 89dB and a bandwidth of 100 kHz, ensuring that the output will be stable and have minimal noise. The device also features an internal thermal optimization circuit, protecting the device from thermal overload and over-voltage conditions.In order to conserve battery power, the device also includes two sleep modes. When the enable pin goes low, the device will go into the low-power mode, consuming only 0.5uA. A further reduction of the power consumption can be achieved by connecting the enable pin to a logic-level high signal and using the advanced shutdown mode. This mode reduces the quiescent power consumption to 50nA. The LP3985ITL-2.7/NOPB has built-in EMI (Electro-Magnetic Interference) suppression, making it suitable for applications subject to stringent EMC standards. It has an internally compensated regulator, meaning that no external loop compensation is needed. The device utilizes a compensated bandgap reference and has a minimum load regulation of 0.5mV and line regulation of 0.01%/V.Overall, the LP3985ITL-2.7/NOPB is an ideal choice for battery-powered devices and portable systems due to its wide-ranging application field, low power consumption and fast start-up time. The device also provides fast load regulations, making it suitable for applications requiring high-performance voltage regulators.

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