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TLV62569DBVR

2.5V-5.5V, 2A synchronous buck converter, 1.5MHz, SOT-23-5, adjustable 0.6V-VIN output, 95% efficiency

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Manufacturer Part：

TLV62569DBVR

Package：

SOT-23-5

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Description

Product Overview

The TLV62569DBVR from Texas Instruments is a 2.5V to 5.5V input, 2A high-efficiency synchronous buck converter in a compact SOT-23-5 package. Operating at 1.5MHz switching frequency, it delivers adjustable output voltage from 0.6V to VIN with up to 95% efficiency. The device features power save mode for light-load efficiency, 100% duty cycle for lowest dropout, and 35μA quiescent current.

Key Specifications

Topology Buck (Step-Down)
Input Voltage Range 2.5V ~ 5.5V
Output Voltage Range 0.6V ~ VIN (Adjustable)
Output Current 2A
Switching Frequency 1.5 MHz (typical)
Quiescent Current 35 μA (operating)
RDS(ON) Switches 100mΩ / 60mΩ
Synchronous Rectifier Yes
Duty Cycle (max) 100%
Operating Temperature -40°C ~ 85°C (TA)
Package SOT-23-5
Part Status Active

Features

  • Up to 95% efficiency with low RDS(ON) switches
  • 2A output current in tiny SOT-23-5 package
  • Power Save Mode for high light-load efficiency
  • 100% duty cycle mode for lowest dropout
  • Power Good output for supply monitoring
  • Internal soft start and overcurrent protection
  • Thermal shutdown protection
  • Pin-to-pin compatible with TLV62568

Applications

  • General purpose point-of-load supplies
  • Set-top boxes and cable modems
  • Network video cameras
  • Wireless routers
  • Hard disk drives

The TLV62569DBVR is a high-efficiency synchronous step-down buck DC-DC converter from Texas Instruments, optimized for compact solution size and high efficiency. The device integrates low RDS(ON) switches (100mΩ high-side, 60mΩ low-side) capable of delivering up to 2A of output current. Operating from a 2.5V to 5.5V input range, it provides an adjustable output voltage from 0.6V to VIN via an external resistor divider. At medium to heavy loads, the device operates in PWM mode at a fixed 1.5MHz switching frequency. At light loads, it automatically enters Power Save Mode (PSM) to maintain high efficiency across the entire load range. The 100% duty cycle mode enables operation at the lowest possible dropout voltage. The device features internal soft start, overcurrent protection, thermal shutdown, and a Power Good output.

The TLV62569 employs a current-mode PWM control architecture for stable operation. At medium and heavy loads, the device operates in forced PWM mode at 1.5MHz, providing low output ripple and fast transient response. When the load decreases below the PSM threshold, the device seamlessly enters Power Save Mode, which uses pulse frequency modulation (PFM) to reduce switching losses and maintain high efficiency. The internal synchronous rectifier replaces the external Schottky diode, improving efficiency especially at low output voltages. The FB pin receives the feedback voltage from the output resistor divider and regulates it to the 0.6V internal reference. Current-mode control provides cycle-by-cycle current limiting for robust overcurrent protection.

Pin Name Type Description
1 GND GND Ground
2 SW O Switch node (connect to inductor)
3 VIN PWR Input supply voltage (2.5V-5.5V)
4 EN I Enable (active high)
5 FB I Feedback voltage input (regulates to 0.6V)
  • POL Conversion: 5V to 1.2V/1.8V/3.3V for FPGA, CPU, and DSP core rails
  • Networking Equipment: Efficient step-down for routers and switches from 3.3V/5V rails
  • Storage Devices: HDD/SSD power management with 2A capability
  • Video Surveillance: Compact power supply for network cameras
  • Set-Top Boxes: Multi-rail POL conversion in space-constrained designs
Model Manufacturer Key Difference
TLV62568DBVR Texas Instruments Pin-compatible predecessor, lower current
TLV62569PDDCR Texas Instruments SOT-563 package variant (smaller)
TPS562201SDDCR Texas Instruments 4.5-17V input, 2A, SOT-23-6
SY8089AAC Silergy 2A, 2.5-5.5V input, SOT-23-5, low cost
BD70522GUL-E2 ROHM 2A, ultra-low IQ, WLCSP-6
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All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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