AP1159ADS10

Current - Output:	100mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Short Circuit
Control Features:	Enable
PSRR:	80dB (1kHz)
Current - Supply (Max):	3.3mA
Current - Quiescent (Iq):	192µA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1V
Voltage - Input (Max):	14V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionThe AP1159ADS10 is a voltage regulator, typically used in linear applications. Linear voltage regulators are used to maintain output voltages, most often at low levels, like the one adjustable output of the AP1159ADS10, which can be programmed to output voltages as low as 0.8V. A voltage regulator like the AP1159ADS10 is used to regulate an output voltage so that it remains stable, and it achieves this through a series of feedback loops. This article will discuss in more detail the application field and working principle of the AP1159ADS10.Application FieldThe AP1159ADS10 is suitable for a wide range of applications, from digital to analog, as well as field-programmable devices. The low maximum output voltage of 0.8V makes it suitable for powering low-power applications like low-power microcontrollers, small digital logic and other general-purpose uses.Furthermore, the device is designed for use in portable, battery-operated systems, due to its low quiescent current of 7µA and its ability to operate over an extended temperature range (-40°C to +85°C). These factors make it ideal for battery-powered applications and portable medical and gaming devices.Working PrincipleA voltage regulator typically works by controlling the amount of current that the output voltage draws from the input. This is done through feedback loops which monitor the output voltage level and adjust the current requisitioned from the input in order to keep the output steady.The AP1159ADS10 voltage regulator works in this way. The output voltage is monitored internally and an external resistor divider is used for setting the output voltage level. The voltage regulator then adjusts the amount of current that it takes from the input in order to keep the output steady.Furthermore, the AP1159ADS10 can be triggered by an external enable signal, allowing the device to shutdown from the connected load. The device is further protected from excessive input or output voltage fluctuations, which makes the usage of the device safer and more consistent.ConclusionThe low power consumption, wide temperature range, adjustable output voltage and enable signal are just a few of the qualities that make the AP1159ADS10 ideal for use in portable and battery-powered applications. It can be used in a wide range of applications, ranging from digital logic to analog field-programmable devices.The AP1159ADS10 voltage regulator works over a wide temperature range and is equipped with a protective shutdown feature. Additionally, the device operates in a feedback loop, monitoring the output voltage and adjusting the current it draws from the input in order to maintain a steady output voltage. The AP1159ADS10 thereby provides a reliable and consistent source of low-voltage power to any connected device.

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