sales@hkmjd.com
Service Telephone:86-755-83294757
Trade Name:MAX17574ATG
Data Manual:MAX17574ATG.pdf
Brand:Maxim
Particular Year:23+
Package:TQFN-24
Delivery Date:New and Original
Stock: 2500pcs
The MAX17574ATG is a high efficiency, high voltage, synchronous step-down DC-DC converter with a built-in MOSFET that operates over a 4.5V to 60V input voltage range. The converters can deliver up to 3A of current. The output voltage can be set from 0.9V up to 90% of VIN. feedback voltage regulation accuracy is ±0.9% over the -40°C to +125°C temperature range.
The MAX17574ATG utilizes a peak current mode control architecture. The device can operate under pulse width modulation (PWM), pulse frequency modulation (PFM), or discontinuous conduction mode (DCM) control methods. A programmable soft-start feature allows the user to reduce input inrush current. The device also features an output enable/undervoltage lockout pin (EN/UVLO) that allows the user to turn the device on when the input voltage reaches the appropriate requirement. When the output voltage reaches the regulated range, a low active RESET open-drain output is triggered after a certain delay to provide a power-ready indication for the system.
The MAX17574ATG is available in a 24-pin (4mm x 5mm) TQFN package. Emulation mode is provided.
Product Features
Reduced external components for lower overall cost
Schottky-free synchronous operation
Internal compensation for stable operation at any output voltage
All ceramic capacitor design for compact layout
Reduced inventory list of DC-DC regulators
Wide input voltage range of 4.5V to 60V
Adjustable output voltage range from 0.9V+ to 90% VIN
Provides up to 3A current over the entire temperature range
100kHz to 2.2MHz adjustable switching frequency range with out-of-band synchronization
Reduced power consumption
Higher than 90% peak efficiency
PFM and DCM modes for high efficiency at light loads
Auxiliary bootstrap LDO for improved efficiency
2.8μA shutdown current
Reliable operation in harsh industrial environments
Hiccup overload protection
Adjustable soft-start and pre-bias power-up
Built-in output voltage monitoring with active-low RESET pin
Programmable EN/UVLO thresholds
Monotonic entry into pre-biased load state at startup
Over Temperature Protection
Industrial grade high temperature -40°C to +125°C
Applications
Base station power supplies
Power distribution regulators
General purpose point-of-load power supplies
High voltage, single board systems
Industrial control power supplies
Wall Transformer Voltage Regulators
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Maxim was founded in 1983 and is headquartered in California, USA. The company is a leader in the design, development, and production of linear and mixed-signal integrated circuit products. As of June 26, 1999, its net sales revenue has reached 600 mi…
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