MAX667ESA+ Allicdata Electronics
Allicdata Part #:

MAX667ESA+-ND

Manufacturer Part#:

MAX667ESA+

Price: $ 5.80
Product Category:

Integrated Circuits (ICs)

Manufacturer: Maxim Integrated
Short Description: IC REG LIN POS ADJ 250MA 8SOIC
More Detail: Linear Voltage Regulator IC Positive Fixed or Adju...
DataSheet: MAX667ESA+ datasheetMAX667ESA+ Datasheet/PDF
Quantity: 126
1 +: $ 5.27310
10 +: $ 5.00976
25 +: $ 3.51540
50 +: $ 3.33963
100 +: $ 2.54520
250 +: $ 2.41794
500 +: $ 2.27695
Stock 126Can Ship Immediately
$ 5.8
Specifications
Current - Output: 250mA
Base Part Number: MAX667
Supplier Device Package: 8-SOIC
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 85°C
Protection Features: --
Control Features: Dropout Detector, Enable, Low Battery Detection
PSRR: --
Current - Supply (Max): 20mA
Current - Quiescent (Iq): 35µA
Series: --
Voltage Dropout (Max): 0.35V @ 200mA
Voltage - Output (Max): 16V
Voltage - Output (Min/Fixed): 1.3V (5V)
Voltage - Input (Max): 16.5V
Number of Regulators: 1
Output Type: Adjustable (Fixed)
Output Configuration: Positive
Part Status: Active
Packaging: Tube 
Description

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MAX667ESA+ is a low-dropout (LDO) linear voltage regulator which typically can supply up to 200mA of output current in a variety of output voltage configurations from 1.8V to 5.0V. It is designed to maintain high accuracy and efficiency over a wide input voltage range from 1.35V to 6.0V, and as well as features a wide operating temperature range from -40 to 85⁰C. The LDO regulator also offers short circuit protection, thermal shutdown, and excellent current and line transient response.

The application field of MAX667ESA+ could be found in portable applications where high efficiency and low power consumption is required. It is typically used to supply battery-operated consumer products such as MP3 players, portable medical devices, and battery powered hand-held instruments. Additionally, MAX667ESA+ can be used to power bus systems and on-board pre-charge applications, where low quiescent current, high accuracy, and fast response time are important parameters.

MAX667ESA+ offers a convenient integrated solution with a 2.5V fixed voltage reference, Ramp write pin (which is used to control the output voltage via an external resistor divider), and a user-programmable output voltage. It has low dropout voltage, meaning that the device can provide a regulated output voltage even when input supply is slightly lower than the regulated output. Also, the device offers good PSRR and line transient response, which is especially important for applications with Noise source close to output voltage sources.

The working principle of MAX667ESA+ is quite simple and straightforward. In general, it consists of an Error Amp, Comparator, Internal Reference, and an Output buffer. The Error Amp amplifies the difference between the output voltage and the internal reference voltage. The output of the Error Amp is then compared to the internal reference voltage by the Comparator and depending on the result, it activates the Output Buffer to supply the output with the voltage specified. The internal reference voltage is typically 2.5V or 1.25 mV, depending on the type of MAX667ESA+. The error amplifier utilizes a current-mode control loop and works in an open loop configuration.

The prime advantage of the MAX667ESA+ is its low quiescent current (350µA) and its high efficiency, typically reaching 85%, while also providing a low output voltage ripple. The LDO regulator provides excellent thermal and overload protection, ensuring that the device is working in a safe and reliable way. Additionally, the device offers a wide operating temperature range of -40 to +85⁰C, making it suitable for applications in challenging thermal environments.

The MAX667ESA+ is a low-drop out linear voltage regulator which provides excellent supplying capability in a very small package size. The device offers excellent current and line transient response, high accuracy, and a wide operating temperature range, making it suitable for a variety of applications. It can be used to power battery-operated consumer products, bus systems and on-board pre-charge applications where low quiescent current, high accuracy, and fast response time are important parameters.

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

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