AP7315-30SR-7

Current - Output:	150mA
Supplier Device Package:	SOT-23
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current
Control Features:	--
PSRR:	75dB (1kHz)
Current - Supply (Max):	100µA
Current - Quiescent (Iq):	60µA
Series:	--
Voltage Dropout (Max):	0.29V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
Voltage - Input (Max):	5.25V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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AP7315-30SR-7 Application Field and Working Principle

AP7315-30SR-7 is a high efficiency linear voltage regulator with adjustable output voltage. It has a wide input voltage range (2.2V to 18V) and low output voltage range (0.8V to15V). It is suitable for high speed switching power supplies, CPUs, DDRs, and general electrical products.When considering the application of AP7315-30SR-7, the followings should be taken into account:

Application Field

AP7315-30SR-7 is a high efficiency linear voltage regulator with adjustable output voltage. It is suitable for:

• High speed switching power supplies
• CPUs
• DDRs
• General electrical products

Due to its wide input voltage range (2.2V to 18V) and low output voltage range (0.8V to15V), it allows us to provide reliable, high efficiency and cost effective power solutions to customers. The AP7315-30SR-7 voltage regulator adopts an advanced topology and can effectively reduce the output ripple and noise of the system, and provides advanced protection such as current limit, short circuit protection and over temperature protection to protect system loads.Its other features such as adjustable output voltage and low current consumption, make it ideal for applications in a variety of industries such as automotive, telecom, military and consumer.

Working Principle

AP7315-30SR-7 is a linear voltage regulator. It works on the principle that when an input power supply is applied to its input terminals, the regulator will reduce the voltage by a predetermined amount; the desired output voltage is maintained by controlling the amount of current through the regulator.When the input voltage is higher than the specified output voltage, the regulator reduces the voltage to equal the specified output voltage. When the input voltage is lower than the specified output voltage, the regulator increases its output current to maintain the output voltage. This is done using a series of linear devices, primarily bipolar transistors, which are connected in a configuration known as a current mirror.The current mirror circuit uses a reference current, which is compared to the load current and is used to adjust the output voltage of the voltage regulator to the desired level. This reference current can be adjusted by altering the voltage applied to the control terminal.In summary, the AP7315-30SR-7 is a high efficiency linear voltage regulator with adjustable output voltage and wide input voltage range. It works by controlling the current through a series of linear devices, and can maintain a stable output voltage over a wide range of input voltages. The output current of the regulator is adjustable, making it ideal for applications in various industries such as automotive, telecom, military and consumer.

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