Manufacturer Part Number
LM34936RHFR
Manufacturer
Texas Instruments
Introduction
The LM34936RHFR is a highly integrated, configurable buck-boost switching controller that facilitates efficient transfer and control of power from input to output in a compact form factor.
Product Features and Performance
Configurable buck-boost topology
Supports a single-phase output
Voltage supply range from 4.2V to 30V
Switching frequency adjustable between 100kHz and 600kHz
Maximum 100% duty cycle
Incorporates synchronous rectification for greater efficiency
Features clock synchronization
Enhanced control features including current limit, enable pin, frequency control, power good signal, and soft start function
Capable of operating in temperatures ranging from -40°C to 125°C
Product Advantages
Flexibility in managing various input and output voltage configurations
High efficiency and reliability through synchronous rectification and clock sync
Robust performance in extreme temperature conditions
Key Technical Parameters
Output Type: Transistor Driver
Topology: Buck-Boost
Number of Outputs: 1
Voltage Supply (Vcc/Vdd): 4.2V ~ 30V
Frequency Switching: 100kHz ~ 600kHz
Duty Cycle (Max): 100%
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Built-in current limit for overload protection
Soft start to minimize inrush current during startup
Power good signal ensures stable operation
Temperature resilience for high-reliability requirements
Compatibility
Surface mount, 28-VFQFN Exposed Pad package for PCB integration
Application Areas
Suitable for varied electronics requiring configurable power management including consumer electronics, telecommunications, and industrial systems
Product Lifecycle
Currently in an active state within Texas Instruments product portfolio
No impending discontinuation, sustaining long-term availability and support
Upgrade paths available within the LM34936 product series
Several Key Reasons to Choose This Product
Versatile input and output voltage range accommodates numerous applications
High switching frequency range allows for tailored performance and size optimization of passive components
Fully integrated features reduce external component count enhancing reliability and minimizing size
Stable operation under a wide range of temperatures extends usability in diverse operating environments
Continuous product support and availability from Texas Instruments assures long-term usability and integration into future designs
LM34941TMXNS
LM34941TMX-ADJTexas Instruments