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LM5180NGUR +BOM

65-VIN no-opto flyback converter with 100-V, 1.5-A integrated MOSFET

Produttore:

TI
ProduttorePart #:

LM5180NGUR
Scheda dati:

LM5180NGUR Scheda dati (PDF)
Pbfree Code:

Yes
Part Life Cycle Code:

Active
Reach Compliance Code:

compliant
ECCN Code:

EAR99
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per LM5180NGUR

LM5180NGUR Descrizione generale

The LM5180 is a primary-side regulated (PSR) flyback converter with high efficiency over a wide input voltage range of 4.5 V to 65 V. The isolated output voltage is sampled from the primary-side flyback voltage, eliminating the need for an optocoupler, voltage reference, or third winding from the transformer for output voltage regulation.

The high level of integration results in a simple, reliable and high-density design with only one component crossing the isolation barrier. Boundary conduction mode (BCM) switching enables a compact magnetic solution and better than ±1.5% load and line regulation performance. An integrated 100-V power MOSFET provides output power up to 7 W with enhanced headroom for line transients.

The LM5180 flyback converter is available in a 8-pin, 4-mm × 4-mm, thermally-enhanced WSON package with 0.8-mm pin pitch.

The LM5180 flyback converter simplifies implementation of isolated DC/DC supplies with optional features to optimize performance for the target end equipment. The output voltage is set by one resistor, while an optional resistor improves output voltage accuracy by negating the thermal coefficient of the flyback diode voltage drop. Additional features include an internally-fixed or externally-programmable soft start, optional bias supply connection for higher efficiency, precision enable input with hysteresis for adjustable line UVLO, hiccup-mode overload protection, and thermal shutdown protection with automatic recovery.

Caratteristiche principali

Designed for reliable and rugged applications
- Wide input voltage range of 4.5 V to 65 V with operation down to 3.5 V after start-up
- Robust solution with only one component crossing the isolation barrier
- ±1.5% total output regulation accuracy
- Optional V_OUT temperature compensation
- 6-ms internal or programmable soft start
- Input UVLO and thermal shutdown protection
- Hiccup-mode overcurrent fault protection
- –40°C to +150°C junction temperature range
Integration reduces solution size and cost
- Integrated 100-V, 0.4-Ω power MOSFET
- No opto-coupler or transformer auxiliary winding required for V_OUT regulation
- Internal loop compensation
High-efficiency PSR flyback operation
- Quasi-resonant MOSFET turn-off in BCM
- Low input quiescent current
- External bias option for improved efficiency
- Single- and multi-output implementations
Ultra-low conducted and radiated EMI signatures
- Soft switching avoids diode reverse recovery
- Optimized for CISPR 32 EMI requirements
Create a custom regulator design using WEBENCH^® Power Designer

Specifiche

Source Content uid	LM5180NGUR	Pbfree Code	Yes
Part Life Cycle Code	Active	Reach Compliance Code	compliant
ECCN Code	EAR99	HTS Code	8542.39.00.01
Analog IC - Other Type	SWITCHING REGULATOR	Control Mode	CURRENT-MODE
JESD-30 Code	S-PDSO-N8	Moisture Sensitivity Level	2
Number of Functions	1	Number of Outputs	1
Number of Terminals	8	Peak Reflow Temperature (Cel)	260
Surface Mount	YES	Switcher Configuration	BUCK-BOOST
Temperature Grade	AUTOMOTIVE	Terminal Finish	MATTE TIN
Terminal Form	NO LEAD	Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	30

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