S-1132B32-I6T2G Allicdata Electronics
Allicdata Part #:

S-1132B32-I6T2G-ND

Manufacturer Part#:

S-1132B32-I6T2G

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: ABLIC U.S.A. Inc.
Short Description: IC REG LINEAR 3.2V 300MA SNT6A
More Detail: Linear Voltage Regulator IC Positive Fixed 1 Outpu...
DataSheet: S-1132B32-I6T2G datasheetS-1132B32-I6T2G Datasheet/PDF
Quantity: 1000
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Current - Output: 300mA
Supplier Device Package: SNT-6A (H)
Package / Case: 6-SMD, Flat Leads
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 85°C (TA)
Protection Features: Over Current
Control Features: Enable
PSRR: 65dB (1kHz)
Current - Supply (Max): 40µA
Current - Quiescent (Iq): 1µA
Series: S-1132
Voltage Dropout (Max): 0.19V @ 100mA
Voltage - Output (Max): --
Voltage - Output (Min/Fixed): 3.2V
Voltage - Input (Max): 6.5V
Number of Regulators: 1
Output Type: Fixed
Output Configuration: Positive
Part Status: Obsolete
Packaging: Tape & Reel (TR) 
Description

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Introduction

The S-1132B32-I6T2G is a precision, low-power, high-performance linear voltage regulator. It is a highly integrated device, providing up to 250mA of output current. It can be driven directly by most system microcontrollers and provides for high accuracy and low dropped output voltage regulation in both buck and boost configuration. This device Typically designed for consumer, industrial, automotive, and communication applications.

PMIC - Voltage Regulators - Linear application field

The S-1132B32-I6T2G is suitable for applications in automotive, communication and industrial control systems, where precise voltage regulation and low power consumption are must-have. Additionally, it is well-suited for other general purpose applications, such as system start-up and thermal regulation, as well as designing power supplies for biomedical and wearable systems. Many OEM embedded micro controllers, such as those running on ARM Cortex or Renesas Synergy, can also benefit from the S-1132B32-I6T2G\'s integrated voltage output, multi-protect capabilities and high accuracy.

Working Principle

The S-1132B32-I6T2G is a linear voltage regulator designed to convert a single and fixed VIN voltage into a lower output voltage with high accuracy and low power consumption. The device regulates VOUT using an external feedback voltage and either an external resistor or external capacitor, depending on the application. The integrated device includes a linear regulator, power-on reset circuit, zero-cross detection circuit, and overcurrent protection.

Modulation pheomenon

The S-1132B32-I6T2G utilizes pulse width modulation (PWM) to regulate the VOUT. This technique allows very fast and linear output voltage regulation. The PWM period and duty cycle are chosen to maintain a steady reference voltage at the Output Control pin (OCP). This reference voltage is compared to the voltage at the Feedback pin (FB). If the voltage at FB is higher, then the Q1 transistor is switched on and Q2 is switched off for a longer period of time. This increases the output voltage by decreasing the duty cycle. Conversely, if the voltage at FB is lower, then Q2 is switched on longer than Q1 and the output voltage is decreased by increasing the duty cycle.

Start-up process

The S-1132B32-I6T2G has an integrated power-on reset circuit. When the Enable (EN) pin is asserted, the device will start up by first checking the Zero-Cross pin (ZCR) voltage to enable the PWM control loop. The device then checks the clamp value by comparing the OCP voltage with the ZCR voltage. If the clamp is properly set, the PWM loop will begin. Once the PWM loop is enabled, the output voltage can be regulated according to the voltage at the FB pin.

Overload protection

The S-1132B32-I6T2G also provides for overcurrent protection. If the current through the main transistor exceeds the set threshold, the device will detect this and switch off the main transistor for the duration of the overload event. During this event, the main transistor will remain off and the device will remain in a low-power state until the overload event is finished. Once the overload event is finished, the device will re-establish the load current and resume normal operation.

Conclusion

The S-1132B32-I6T2G low-power, high-performance linear voltage regulator is suitable for automotive, communication and industrial control system applications, providing precise voltage regulation with minimal power consumption. It integrates a linear regulator, power-on reset circuit, zero-cross detection circuit, and overcurrent protection, all together improving system protection.

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

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