MAX634EPA+

Voltage - Output (Min/Fixed):	-2.6V
Base Part Number:	MAX634
Supplier Device Package:	8-PDIP
Package / Case:	8-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	100Hz ~ 75kHz
Current - Output:	150mA
Voltage - Output (Max):	-20V
Series:	--
Voltage - Input (Max):	16.5V
Voltage - Input (Min):	2.6V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck-Boost
Output Configuration:	Negative
Function:	Step-Up/Step-Down
Part Status:	Active
Packaging:	Tube

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

MAX634EPA+ Application Field and Working Principle

The MAX634EPA+ is a fully-featured, current mode, switching regulator controller IC designed to provide a DC-to-DC buck, boost, and inverting regulator with in-circuit programming capability. It is specially designed to simplify the design of high-efficiency, space-saving, and cost-effective DC/DC power solutions. This integrated circuit is capable of driving a high-side N-channel MOSFET, in an adjustable output voltage range from 0V to 36V.

Applications

The MAX634EPA+ can be effectively used in a range of different applications. This includes powering microprocessors and system logic, driving motor controllers, modems, low-side switching/solder control, hard disk/optical disk drive controllers, PCI bus signaling, and LCD monitors. Furthermore, this integrated circuit can also be used in high-performance DC/DC power solutions for multi-core, multi-core system-on-chip (SoC), and graphics applications.

Working Principle

The MAX634EPA+ integrated circuit is a current mode switching regulator controller. The operating principle involves controlling the output voltage by regulating the switching current of the output MOSFET. The circuit is operated using an unregulated DC power supply, which is converted into an adjustable, regulated output voltage using an external MOSFET switch and output capacitor. The integrated circuit regulates the switching current using pulse-width modulation (PWM). This is driven by an oscillator with an adjustable frequency and duty cycle. The output voltage is kept constant via an internal error amplifier, which is set using an external feedback voltage divider.

Conclusion

The MAX634EPA+ integrated circuit is a fully-featured, current mode, switching regulator controller IC designed to provide a DC-to-DC buck, boost, and inverting regulator with in-circuit programming capability. It is specially designed to simplify the design of high-efficiency, space-saving, and cost-effective DC/DC power solutions and can be used in a range of applications such as powering microprocessors and system logic, driving motor controllers, modems, low-side switching/solder control, hard disk/optical disk drive controllers, PCI bus signaling, and LCD monitors. The working principle for this integrated circuit is based on regulating the switching current of the output MOSFET using pulse-width modulation.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description