LT1935ES5

Name: LT1935ES5
Rating: 4.5 (10 reviews)

1 Output 2A (Switch) SOT-23-5 Thin, TSOT-23-5 Boost, Flyback, SEPIC Switching Regulator IC Positive Adjustable 1.265V

7,151 Effective Inventory

LT1935ES5

Effective Inventory7,151

1 Output 2A (Switch) SOT-23-5 Thin, TSOT-23-5 Boost, Flyback, SEPIC Switching Regulator IC Positive Adjustable 1.265V

Manufacturer Part # : LT1935ES5
Package/Case: SOT-5
Part Status : OBSOLETE
Brand: Analog Devices Inc.
Product Categories : Voltage Regulators - DC DC Switching Regulators

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LT1935ES5 DataSheet

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Details

Meet the LT1935ES5 - a high-performance, low noise switching regulator designed to meet the demands of modern electronics. This compact device packs a punch with its wide input voltage range of 4.5V to 36V and a maximum output current of 500mA. With a fixed frequency PWM architecture and a switching frequency of 1.2MHz, the LT1935ES5 offers efficient power conversion in a small SOT-23 package. Its high efficiency of up to 92% ensures minimal power loss, making it an excellent choice for battery-powered applications where energy conservation is key. Additionally, the LT1935ES5 features thermal shutdown and current limit protection for added safety and reliability, as well as a shutdown pin for extra power savings when the device is not in use

Key Features

LT19ES5 offers high power density
Compact size and low profile design
Suitable for a wide range of applications

Application

Industrial power management
LT1935ES5 application
Regulate voltage effectively

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	Switching Voltage Regulators	RoHS	N
Mounting Style	SMD/SMT	Package / Case	SOT-5
Topology	Boost	Output Voltage	38 V
Output Current !	2 A	Number of Outputs	1 Output
Input Voltage, Min	2.1 V	Input Voltage, Max	16 V
Switching Frequency !	1.2 MHz	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature !	+ 85 C	Series	LT1935
Brand	Analog Devices	Height	1 mm
Operating Supply Current	3 mA	Product Type !	Switching Voltage Regulators
Subcategory	PMIC - Power Management ICs

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LT1935ES5 PDF Download

FAQs

What is LT1935ES5?

The LT1935ES5 is a high efficiency step-down switching regulator designed by Analog Devices. It is ideal for applications requiring a compact and efficient power supply solution, such as battery-powered devices, portable equipment, and distributed power systems.

How Does LT1935ES5 Work?

The LT1935ES5 operates as a step-down switching regulator, converting a higher input voltage to a lower regulated output voltage with high efficiency. It utilizes a synchronous rectification architecture to minimize power loss and maximize energy conversion. The regulator is designed to deliver a stable output voltage even with variations in input voltage and load conditions.

How Many Pins does LT1935ES5 have and What are the Functions of the Pinout Configuration?

The LT1935ES5 is housed in a 5-lead SOT-23 (Small Outline Transistor) package. The pinout configuration includes:

SW: Switching node for the regulator.
GND: Ground connection.
FB: Feedback pin for setting the output voltage.
V_IN: Input voltage supply pin.
V_OUT: Regulated output voltage pin.

What are the Pros and Cons of LT1935ES5?

Pros:

High Efficiency: Offers high efficiency power conversion, minimizing power dissipation and extending battery life.
Compact Size: Housed in a small SOT-23 package, suitable for space-constrained designs.
Low Shutdown Current: Features low shutdown current for power-saving operation.
Wide Input Voltage Range: Accommodates a wide range of input voltages for versatility in applications.
Low Noise: Provides low output voltage ripple for clean power supply.

Cons:

Heat Dissipation: May require additional thermal management in high power applications.
No External Synchronization: The LT1935ES5 does not support external synchronization for multi-regulator systems.
Limited Output Current: The maximum output current may not be sufficient for some high-power applications.

Are There Any Equivalents/Alternatives to LT1935ES5 for Recommendation?

The LT1763 from Analog Devices is a similar high efficiency step-down regulator with additional features.
Alternatives to the LT1935ES5 include the LM2675 from Texas Instruments and the ADP2302 from Analog Devices.

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