LM5085MYX/NOPB
DC/DC Cntrlr Single-OUT Step Down 1000kHz 8-Pin HVSSOP EP T/R
Inventory:5,356
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Part Number : LM5085MYX/NOPB
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Package/Case : HVSSOP-8
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Brands : TI
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Components Categories : Buck controllers (external switch)
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Datesheet : LM5085MYX/NOPB DataSheet (PDF)
Overview of LM5085MYX/NOPB
The LM5085 is a high efficiency PFET switching regulator controller that can be used to quickly and easily develop a small, efficient buck regulator for a wide range of applications. This high voltage controller contains a PFET gate driver and a high voltage bias regulator which operates over a wide 4.5-V to 75-V input range. The constant on-time regulation principle requires no loop compensation, simplifies circuit implementation, and results in ultrafast load transient response. The operating frequency remains nearly constant with line and load variations due to the inverse relationship between the input voltage and the on-time. The PFET architecture allows 100% duty cycle operation for a low dropout voltage. Either the RDS(ON) of the PFET or an external sense resistor can be used to sense current for over-current detection.
Key Features
- LM5085-Q1 is an Automotive Grade Product that
is AEC-Q100 Grade 1 Qualified (–40°C to 125°C
Operating Junction Temperature) - Wide 4.5-V to 75-V Input Voltage Range
- Adjustable Current Limit Using RDS(ON) or a
Current Sense Resistor - Programmable Switching Frequency to 1MHz
- No Loop Compensation Required
- Ultra-Fast Transient Response
- Nearly Constant Operating Frequency with Line
and Load Variations - Adjustable Output Voltage from 1.25 V
- Precision ±2% Feedback Reference
- Capable of 100% Duty Cycle Operation
- Internal Soft-start Timer
- Integrated High Voltage Bias Regulator
- Thermal Shutdown
- Package:
- HVSSOP-8
- VSSOP-8
- WSON-8
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Vin (min) (V) | 4.5 | Vin (max) (V) | 75 |
Vout (min) (V) | 1.25 | Vout (max) (V) | 75 |
Iout (max) (A) | 10 | Iq (typ) (mA) | 1.3 |
Switching frequency (min) (kHz) | 50 | Switching frequency (max) (kHz) | 1000 |
Features | Adjustable current limit, Enable, Frequency synchronization | Operating temperature range (°C) | -40 to 125 |
Regulated outputs (#) | 1 | Number of phases | 1 |
Rating | Catalog | Control mode | Constant on-time (COT) |
Type | Controller |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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