MAX1761EEE+T

Frequency - Switching:	250kHz, 350kHz
Base Part Number:	MAX1761
Supplier Device Package:	16-QSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Enable
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	--
Series:	--
Voltage - Supply (Vcc/Vdd):	4.5 V ~ 20 V
Output Phases:	1
Number of Outputs:	2
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MAX1761EEE+T Application Field and Working Principle

MAX1761EEE+T is a DC/DC switching controller designed for high performance, ultra thin and lightweight mobile platforms requiring space-saving power conversion solutions. It is used primarily to provide a regulated output voltage from a variety of higher-voltage DC input sources. This device integrates high-performance CMOS circuitry and a few external components to reduce cost and simplify design.The MAX1761EEE+T is optimized for applications such as cellular phones, 3G/4G modem cards, ultra-thin notebook/netbook computers, and low-voltage medical/Industrial equipment. It also serves as an alternative to existing power solutions such as linear regulators, discrete power solutions, and other dedicated DC/DC converters.

Application Fields

The MAX1761EEE+T has a wide range of applications that include providing regulated voltage outputs to specialized voltage monitors, integrated circuits, printed circuit board traces, memory modules, cables, input voltage monitoring, and special power supplies. The device includes on-die protection features such as overvoltage protection (OVP) and short-circuit protection (SCP).The MAX1761EEE+T also provides lower system power loss and improved efficiency over a wide range of operating conditions to ensure accurate output regulation for a wide range of input voltages and output loads.

Working Principle

The MAX1761EEE+T is a DC/DC switching controller that uses a buck converter circuit topology. It consists of a high side switch, a low side switch, an input voltage monitor, as well as an output voltage monitor. The device operates by switching the high side switch and low side switch on and off. When both switches are on, current flows from the input voltage and is stored in the output coil. When the switches are off, the stored energy is released and is used to power the load.The high side switch is connected to the input voltage. The low side switch is switched on and off to regulate the output voltage. The input voltage monitor measures the input voltage and ensures that it is within the operating range of the device.The output voltage monitor monitors the output voltage and ensures that it is within the specified range. If the output voltage is too high, the low side switch will be switched off until it is within the specified range.The MAX1761EEE+T also includes various protection features such as overvoltage protection and short-circuit protection.

Conclusion

The MAX1761EEE+T is a DC/DC switching controller designed for high performance, ultra thin and lightweight mobile platforms requiring space-saving power conversion solutions. It is optimized for cell phones, 3G/4G modems, ultra-thin notebooks and other low-voltage medical and industrial applications.The device operates by switching the high side switch and low side switch on and off. This allows the device to regulate the output voltage and provide accurate output regulation across a wide range of input voltages and output loads. The device also includes on-die protection features to ensure safe operation.

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