LP3996SD-0833/NOPB

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	2
Voltage - Input (Max):	6V
Voltage - Output (Min/Fixed):	0.8V, 3.3V
Voltage - Output (Max):	--
Voltage Dropout (Max):	0.22V @ 150mA, 0.55V @ 150mA
Current - Output:	150mA, 300mA
Current - Quiescent (Iq):	100µA
Current - Supply (Max):	170µA
PSRR:	58dB ~ 45dB, 70dB ~ 60dB (1kHz ~ 20kHz)
Control Features:	Enable
Protection Features:	Over Temperature, Short Circuit
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	10-WFDFN Exposed Pad
Supplier Device Package:	10-WSON (3x3)
Base Part Number:	LP3996

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Introduction to LP3996SD-0833/NOPB

LP3996SD-0833/NOPB is classed as a PMIC (Power Management IC) or Voltage Regulator IC, in the Linear family. It is a precision multiple-output low-dropout (LDO) linear regulator with adjustable output voltage, current-limit protection, and improved transient response. It is designed to provide a stable and accurate output voltage of 3.3V while supplying output currents up to 1A with a moderate dropout voltage. This high power density product offers excellent performance and low noise, making it suitable for high-end, sophisticated applications.

LP3996SD-0833/NOPB Application Field

LP3996SD-0833/NOPB IC is ideal for use in systems that require multiple output voltages. These systems can be anything from portable electronic devices such as mobile phones, tablets and cameras, to computing systems like notebooks and desktops, as well as industrial and medical equipment. The device can be used for applications demanding good transient response, such as wireless modems, and for applications in which output current ripples are not tolerated such as flat panel displays.Here is where the LP3996SD-0833/NOPB excels:• Low-dropout (LDO) precision multiple-output linear regulator• Stable output voltage supplying up to 1A with a moderate dropout voltage• Fully adjustable output voltage and user-programmable current limit protection• Fast transient response for applications requiring low output settling time• Low noise suitable for high-end, sophisticated applications

LP3996SD-0833/NOPB Working Principle

LP3996SD-0833/NOPB IC works on the principle of voltage regulation. It uses a reference voltage, which is derived from the circuit connected to it. When the output voltage exceeds this reference, it switches between its two outputs, thereby creating a constant and stable output voltage. The circuit also includes a current-limit protection feature, which prevents damage to the device in the event of a short circuit or excessive current draw.When the circuit is switched on, the reference voltage is compared to the output voltage and a difference between these two is calculated. This difference is then used to regulate the output voltage to the desired level. The voltage regulation is done by an operational amplifier, which senses the difference between the reference and output voltages and drives the two outputs accordingly.

Conclusion

LP3996SD-0833/NOPB is a precision multiple-output low-dropout (LDO) linear regulator with adjustable output voltage, current-limit protection, and improved transient response. It is designed to provide a stable and accurate output voltage at currents up to 1A with a moderate dropout voltage. It is ideal for use in systems that require multiple output voltages and provides good transient response and low output settling time. The device works on the principle of voltage regulation and uses an operational amplifier to drive its outputs.

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