LT3980EDE#TRPBF
Conv DC-DC 3.6V to 58V Synchronous Step Down Single-Out 0.79V to 57.42V 2A 14-Pin DFN EP T/R
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Part Number : LT3980EDE#TRPBF
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Package/Case : SON-14
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Brands : Analog Devices
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Components Categories : Voltage Regulators , DC DC Switching Regulators
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Datesheet : LT3980EDE#TRPBF DataSheet (PDF)
Overview of LT3980EDE#TRPBF
The LT3980 is an adjustable frequency (100kHz to 2.4MHz) monolithic buck switching regulator that accepts input voltages up to 58V (80V transient). A high efficiency 200mΩ switch is included on the die along with a boost Schottky diode and the necessary oscillator, control, and logic circuitry. Current mode topology is used for fast transient response and good loop stability. Catch diode current sense (DA pin) protects the circuit during input voltage transients even when a high switching frequency is used. Low ripple Burst Mode operation maintains high efficiency at low output currents while keeping output ripple below 15mV in a typical application. In addition, the LT3980 can further enhance low output current efficiency by drawing bias current from the output when VOUT is above 3V. Shutdown reduces input supply current to less than 1μA while a resistor and capacitor on the RUN/SS pin provide a controlled output voltage ramp (soft-start). A power good flag signals when VOUT reaches 91% of the programmed output voltage. The LT3980 is available in 16-pin MSOP and 3mm × 4mm DFN packages with exposed pads for low thermal resistance.
Key Features
- Simplified Power Supply Design
- High Efficiency: Up to 90% Efficient at Full Load Conditions
- Compact Size: 8mm × 9mm QFN Package
- Thermal Protection: Prevents Overheating and Damage
- Safe Operating Area: Up to 24V Input Voltage
- Fault Tolerant: Can Continue Operating with Faulty Outputs
Application
- Robotics System Power Regulation
- Home Automation Voltage Control
- Smart Grid Energy Management
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category | Switching Voltage Regulators | RoHS | Details |
Output Voltage | 790 mV to 57.42 V | Output Current | 2 A |
Input Voltage, Max | 58 V | Number of Outputs | 1 Output |
Topology | Buck | Package / Case | DFN-14 |
Mounting Style | SMD/SMT | Switching Frequency | 2.25 MHz |
Quiescent Current | 85 uA | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature | + 125 C | Series | LT3980 |
Input Voltage, Min | 3.6 V | Brand | Analog Devices |
Development Kit | DC1476A | Input Voltage | 3.6 V to 58 V |
Operating Supply Current | 35 uA | Product Type | Switching Voltage Regulators |
Shutdown | Shutdown | Factory Pack Quantity | 2500 |
Subcategory | PMIC - Power Management ICs | Type | Step Down Switching Regulator |
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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