LM5026MT

Images are for reference only

LM5026MT

IC REG CTRLR FWRD CONV 16TSSOP

  • Manufacturer
  • Mfr. Part #LM5026MT
  • Package TSSOP (PW)-16
  • Datasheet
  • In Stock5802

100% Original & New

24 Hours ready to ship

365 Days Warranty

RFQ & Get more Discounts

Specifications

Package Tube
ProductStatus Not For New Designs
OutputType Transistor Driver
Function Step-Up/Step-Down
OutputConfiguration Positive, Isolation Capable
Topology Forward Converter
NumberofOutputs 2
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 8V ~ 15V
Frequency-Switching 200kHz ~ 590kHz
DutyCycle(Max) 70%, 80%
SynchronousRectifier No
ClockSync Yes
ControlFeatures Dead Time Control, Frequency Control, Reset, Soft Start
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 16-TSSOP (0.173, 4.40mm Width)

Overview

Description

The LM5026MT is a highly integrated pulse-width modulation (PWM) controller designed for use in high-performance power converters. It is commonly used in applications requiring isolated power supplies, such as in telecom and industrial systems. This device is built on a voltage-mode control architecture and features a number of functionalities conducive to the effective management of power supply systems.
Key features of the LM5026MT include a programmable soft-start, under-voltage lockout (UVLO), over-current protection, and a versatile 2 MHz oscillator with synchronization capability. It supports both push-pull and full-bridge topologies, making it adaptable to various design requirements. The controller also includes a highly accurate voltage reference and error amplifier, enhancing regulation precision.
Its thermal shutdown feature and adjustable dead-time control contribute to improved reliability and efficiency. The LM5026MT operates over a wide input voltage range and is available in a thermally enhanced TSSOP package, providing ease of integration into compact designs.
Overall, the LM5026MT is valued for its robustness and efficiency in managing isolated power converters, offering flexibility and protection in demanding applications.

Features

The LM5026MT is a high-performance pulse-width modulated (PWM) controller designed specifically for current-mode-controlled, high-voltage DC-DC converters. Some of its key features include:
1. Wide Input Voltage Range: It operates effectively over a broad range of input voltages, making it versatile for various applications.
2. Current-Mode Control: This feature allows for easier loop compensation and superior line regulation.
3. Programmable Start-Up: The soft-start capability helps in reducing inrush current during start-up, protecting the components.
4. High-Voltage Start-Up Regulator: It includes an internal start-up regulator that simplifies the power supply design.
5. Cycle-by-Cycle Current Limiting: Provides robust protection by limiting the current in each cycle to avoid damage.
6. Synchronization Capability: The device can be synchronized to an external clock for multiple power supply applications.
7. Programmable Switching Frequency: Allows flexibility in setting the desired frequency, enhancing design versatility.
8. Under-Voltage Lockout (UVLO): Protects the power converter during low input voltage conditions.
9. Thermal Shutdown: Protects the device from overheating by shutting down when a certain temperature threshold is exceeded.
These features make the LM5026MT suitable for a variety of power management applications, particularly in high-voltage environments.

Package

The LM5026MT is a high-performance PWM controller for push-pull and half-bridge power converters. It is available in a 16-pin TSSOP (Thin Shrink Small Outline Package) with an exposed pad for enhanced thermal performance.

Pinout

The LM5026MT is a high-performance, current-mode PWM controller designed for use in isolated and non-isolated power converter applications. It is typically available in a 16-pin TSSOP package. Here's a brief overview of its pin functions:
1. VIN: Input voltage supply.
2. RT: Timing resistor to set the oscillator frequency.
3. SYNC: Synchronization input.
4. UVLO/EN: Undervoltage lockout and enable.
5. SS: Soft-start control.
6. COMP: Compensation pin for the error amplifier.
7. FB: Feedback input.
8. CS: Current sense input.
9. RSUM: Sets slope compensation.
10. OUTA: Output driver A.
11. OUTB: Output driver B.
12. GND: Ground.
13. VCC: Output of the internal LDO.
14. REF: Reference output voltage.
15. DCLAMP: Duty cycle clamping.
16. RES: Oscillator discharge resistor.
These pins work together to control and stabilize the switching power supply, ensuring efficient power conversion and regulation.

Manufacturer

The LM5026MT is manufactured by Texas Instruments, a global technology company headquartered in Dallas, Texas. Texas Instruments is renowned for designing and manufacturing semiconductors and integrated circuits, which are widely used in electronic devices. The company serves a diverse range of industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments is recognized for its innovation in analog and embedded processing technologies.

Application

The LM5026MT is a high-performance pulse-width modulation (PWM) controller designed for use in various power conversion applications. Its application areas include isolated DC-DC converters, especially in telecommunications, data communications, and industrial power systems. It is suitable for high-efficiency power supplies requiring synchronous rectification, and can be used in both single-ended and double-ended topologies, such as push-pull, half-bridge, and full-bridge converters. The LM5026MT's features, including programmable soft-start, slope compensation, and current limit protection, make it ideal for demanding power supply designs.

Equivalent

The LM5026MT is a high-performance PWM controller designed for active-clamp forward converters. Equivalent products include the Texas Instruments LM5025 and LM5035 series, which offer similar functionalities for isolated DC-DC conversion applications. Additionally, the UCC2897A from Texas Instruments can be considered an alternative. Always ensure compatibility by checking the specific application requirements and datasheet specifications before substituting components.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer