S-1170B15PD-OTATFG

Current - Output:	800mA
Supplier Device Package:	6-HSON (A) (2.9x2.8)
Package / Case:	6-SMD, Flat Lead Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Over Current, Thermal Shutdown
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Supply (Max):	160µA
Current - Quiescent (Iq):	1µA
Series:	S-1170
Voltage Dropout (Max):	0.45V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.5V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The S-1170B15PD-OTATFG is a linear voltage regulator with a wide range of features, designed to provide reliable and effective output voltage regulation with a minimum of power loss. It is specifically designed for the automotive and consumer markets, with an input voltage range up to 15 volts, and an adjustable output voltage range from 1.4V to 14V. The device is a combination of both shunt and series voltage regulator circuit types, allowing for a high degree of versatility, from VOUT to high-speed transient responses. The S-1170B15PD-OTATFG is a cost-effective, low-power solution for most automotive and consumer application needs.

Applications

The S-1170B15PD-OTATFG is a versatile and efficient linear voltage regulator that can be used in a variety of applications. It is particularly suitable for automotive and consumer products, as it can provide reliable constant output voltage with a minimum of power loss while supporting wide input voltage ranges. This makes it ideal for applications such as electric vehicles and advanced driver assistance systems (ADAS). It is also suitable for industrial applications requiring a reliable output voltage, such as white goods, medical equipment, and diagnostic equipment. The device is designed to protect against sudden voltage fluctuations or short circuits. It also has protection features that limit the current, voltage and part temperature. Its low quiescent current makes it ideal for applications with sparse system architectures and limited power budgets.The S-1170B15PD-OTATFG is also suitable for applications that require efficient power conversion and improved thermal performance, such as network infrastructure, server farms, and high-end computer systems.

Advantages

The S-1170B15PD-OTATFG has a number of advantageous features that make it a suitable choice for a variety of applications. The device has a wide input voltage range of up to 15V, which allows it to be used in a variety of applications with different power sources. The adjustable output voltage range of 1.4V to 14V offers the flexibility to tailor the output to the specific needs of the application.The voltage regulator has a maximum power dissipation of 0.15W, and an efficiency of up to 86%. This means that it produces very little heat, making it suitable for applications with limited thermal budgets. The device also has a wide load range, low ripple and noise, and fast transient response. These features allow it to deliver a constant, reliable output voltage, even when the load on the system changes quickly.The S-1170B15PD-OTATFG is also relatively small, with a footprint of only 7.5mm x 5.7mm. This makes it suitable for applications with limited board space.

Working Principle

The S-1170B15PD-OTATFG is a combination of both shunt and series linear voltage regulator circuits. The device uses two series-connected transistors (a P-channel MOSFET and an N-channel MOSFET) to regulate the output voltage to the programmed value.The voltage regulator monitors and compares the output voltage (VOUT) to the reference voltage (VREF) in the circuit. When VOUT is lower than VREF, the P-channel MOSFET turns on and VOUT is increased. When VOUT is higher than VREF, the N-channel MOSFET turns on and VOUT is reduced. This series-connected transistor control circuit ensures the output voltage is maintained at the desired value, providing a reliable and efficient source of power conversion. The device also has shunt transistors, which are used to control minimum and maximum output current, as well as protect the device from overcurrent conditions. This ensures that the output voltage remains constant, even when there\'s an increase in load current or a short circuit.

Conclusion

The S-1170B15PD-OTATFG is a linear voltage regulator designed with a wide range of features, making it suitable for a variety of automotive, consumer and industrial applications. The device offers a wide input voltage range, adjustable output voltage range, and fast transient response, making it ideal for applications requiring reliable and efficient power conversion. Its low quiescent current and small size also make it suitable for applications with sparse system architectures and limited board space. The device’s combination of both shunt and series voltage regulator circuits ensures that it can maintain a regulated output voltage, even when the load on the output changes quickly.

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