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LM5025MTC/NOPB +BOM

Advanced pulse-width modulation for precise voltage control and improved efficiency

Produttore:

Texas Instruments, Inc
ProduttorePart #:

LM5025MTC/NOPB
Scheda dati:

LM5025MTC/NOPB Scheda dati (PDF)
Topology:

Active-clamp forward, Forward
Control Mode:

Feedforward
Duty Cycle (max) (%):

80
Switching Frequency (max) (kHz):

1000
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per LM5025MTC/NOPB

LM5025MTC/NOPB Descrizione generale

The LM5025MTC/NOPB is a cutting-edge PWM controller designed for power converters utilizing the active clamp and reset technique. This versatile device offers the flexibility to control either a P-channel clamp switch or an N-channel clamp switch, catering to various design requirements. The active clamp feature enables users to achieve higher efficiencies and greater power densities compared to conventional methods, making it a valuable asset in power conversion applications. With two control outputs for the main power switch and the active clamp switch, users can easily manage power conversion processes. The internal compound gate drivers ensure superior gate drive characteristics, enhancing the controller's performance. Operating at high speeds with an oscillator frequency range of up to 1 MHz, the LM5025 delivers fast and efficient operation. Additional features such as line undervoltage lockout, soft-start, oscillator synchronization, precision reference, and thermal shutdown further enhance the controller's reliability and convenience in power conversion applications

Caratteristiche principali

Pulse Frequency Modulation Control
Slew Rate Limited Current Sensing
Voltage Feed Forward for Regulation

Specifiche

Topology	Active-clamp forward, Forward	Control mode	Feedforward
Duty cycle (max) (%)	80	Switching frequency (max) (kHz)	1000
Features	Current limiting, High-voltage startup, Leading edge blanking, Soft start, Supports NFET clamp, Supports PFET clamp, Thermal shutdown	UVLO thresholds on/off (V)	Programmable/2.5V
Operating temperature range (°C)	-40 to 125	Rating	Catalog
Gate drive (typ) (A)	3	Vin (max) (V)	15
feature-type	Voltage Mode PWM Controller	feature-control-method	Voltage
feature-topology	Forward	feature-number-of-pwm-outputs	2
feature-switching-frequency-khz	580(Typ)\|220	feature-maximum-duty-cycle-	80
feature-process-technology		feature-output-voltage-v
feature-minimum-operating-supply-voltage-v	8	feature-maximum-operating-supply-voltage-v	15
feature-maximum-supply-current-ma	4.2	feature-maximum-power-dissipation-mw
feature-synchronous-pin	Yes	feature-packaging	Tube
feature-rad-hard		feature-pin-count	16
feature-cecc-qualified	No	feature-esd-protection	Yes
feature-escc-qualified		feature-military	No
feature-aec-qualified	No	feature-aec-qualified-number
feature-eccn-code	EAR99	feature-svhc	No
feature-svhc-exceeds-threshold	No

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