MAX40200ANS+T

Delay Time - OFF:	1.6ms
Supplier Device Package:	4-WLP (0.73x0.73)
Package / Case:	4-XFBGA, WLBGA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Applications:	Handheld/Mobile Devices
Voltage - Supply:	1.5 V ~ 5.5 V
Current - Supply:	7µA
Current - Output (Max):	1.2A
Series:	--
Delay Time - ON:	65µs
Internal Switch(s):	Yes
Ratio - Input:Output:	1:1
FET Type:	P-Channel
Type:	Source Selector Switch
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - OR Controllers, Ideal Diodes

The MAX40200ANS+T is a programmable, high-efficiency, low power OR controller from Maxim Integrated. It provides adjustable output voltage, adjustable current limit, and two selectable control modes (Linear Mode and Logarithmic Mode). The MAX40200ANS+T is designed for use in a wide range of applications such as radio systems, consumer electronic devices, and other power management applications.

Application Field

The MAX40200ANS+T OR controller provides a wide variety of application options.The device is primarily used in low voltage DC/DC converters, such as a buck-boost converters. It is also used in battery-powered systems as it is able to maintain a tightly regulated output voltage and current limit without the need for compensation circuits. Additionally, it can be used in applications that require high efficiency and low power by using the Logarithmic Mode control scheme.It is also suited for applications that require varying input supplies, such as automotive, telecom, and industrial systems. By using the Synchronizable Mode feature, the device can be used in applications requiring a wide input range with a standard frequency range from 200 kHz to 2.2 MHz.

Working Principle

The MAX40200ANS+T OR controller uses a comparator to sense the output voltage and adjust the gate charge of the downstream power MOSFET (or external control IC). The comparator also turns on the LED indictor.In Linear Mode operation, the current limit and voltage control are independent of each other. The current limit is set using a programmable current limit resistor or an external reference voltage, while the voltage control is set using a programmable voltage feedback network or an external reference voltage.In Logarithmic Mode operation, the current limit and voltage control act together, increasing the overall efficiency. The current limit is set via a programmable current limit resistor or an external reference voltage, while the voltage control is set using a programmable voltage feedback network or an external reference voltage.To improve efficiency, the MAX40200ANS+T includes a programmable slow start feature. This feature sets a time-dependent current limit and gradually increases it up to the normal current limit value, preventing output surge currents.Finally, the MAX40200ANS+T has a built-in high-frequency (>1 MHz) PWM oscillator, enabling it to operate with a high switching frequency, improving the overall efficiency. The MAX40200ANS+T is a programmable, high-efficiency, low power OR controller designed for a variety of applications including radio systems, consumer electronic devices, and other power management applications. It is able to provide adjustable output voltage, adjustable current limit, and two selectable control modes (Linear Mode and Logarithmic Mode) by using a comparator to sense the output voltage and adjust the gate charge of the downstream power MOSFET (or external control IC). The device also features a programmable slow start feature and a built-in high-frequency (>1 MHz) PWM oscillator, enabling it to operate with a high switching frequency, improving the overall efficiency.

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