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See Technical Specifications

FSL128MRTWDTU

Switching mode electrical power unit

Manufacturer:

Onsemi
Mfr.Part #:

FSL128MRTWDTU
Datasheet:

FSL128MRTWDTU Datasheet (PDF)
Compliance:

PbAHP
Case Outline:

340BG
MSL Type:

NA
MSL Temp (°C):

0
EDA/CAD Models:

Request Free CAD Models for FSL128MRTWDTU

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FSL128MRTWDTU General Description

The FSL128MRT is an integrated Pulse Width Modulation (PWM) controller and SenseFET specifically designed for offline Switch-Mode Power Supplies (SMPS) with minimal external components. The PWM controller includes an integrated fixed-frequency oscillator, Under-Voltage Lockout (UVLO), Leading-Edge Blanking (LEB), optimized gate driver, internal soft-start, temperature-compensated precise current sources for loop compensation, and self-protection circuitry. Compared with a discrete MOSFET and PWM controller solution, the FSL128MRT can reduce total cost, component count, size, and weight; while simultaneously increasing efficiency, productivity, and system reliability. This device provides a basic platform suited for cost-effective design of a flyback converter.

Key Features

Internal Avalanched Rugged 800V SenseFET
Advanced Soft Burst-Mode Operation for Low Standby Power and Low audible noise
Under 40mW Standby Power Consumption at 265V_AC and No-load Condition
Random Frequency Fluctuation for Low EMI
Pulse-by-Pulse Current Limit
Various Protection Functions: Overload Protection (OLP), Over-Voltage Protection (OVP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD) with Hysteresis and Under-Voltage Lockout (UVLO) with Hysteresis
Low Operating Current(0.4mA) in Burst Mode
Internal Startup Circuit
Built-in Soft-Start: 15ms
Auto-Restart Mode

Specifications

Status	Last Shipments	Compliance	PbAHP
Case Outline	340BG	MSL Type	NA
MSL Temp (°C)	0	Container Type	TUBE
Container Qty.	400	ON Target	N
Control Mode	Current Mode	fsw Typ (kHz)	67
RDS(ON) Typ (Ω)	6.3	V(BR)DSS Max (V)	800
IPeak (mA)	1200	HV Start-up Min (V)	Yes
UVLO	Yes	Short Circuit Protection	Yes
Latch	No	Pricing ($/Unit)	Price N/A