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Analog Devices LT3758EMSE | Demoboard DC1342B
LT3758EMSE Demo Board | SEPIC, Vin: 18V to 72V, Vout: 24V/1A, (3x3 QFN)
Overview
| Topology | SEPIC Buck-Boost Topology |
| Input voltage | 18-72 V |
| Output 1 | 24 V / 1 A |
| IC revision | 1 |
Description
Demonstration circuit 1342B features the LT®3758AEMSE in a 300kHz SEPIC converter circuit, designed for a 24V output from a 18V to 72V input.
The LT3758A operates over an input range of 5.5V to 100V, suitable for automotive, telecom and industrial applications. It also exhibits a low shutdown current of 1μA, making it ideal for battery-operated systems. Thanks to a novel FBX pin architecture, the LT3758A can be connected directly to a resistor divider from either a positive output voltage ora negative output voltage to ground. It also packs many popular features such as soft-start, input undervoltage lockout, adjustable frequency and clock synchronization in a small 10-lead MSOP package or a 3mm × 3mm QFN package.
The LT3758A data sheet gives a complete description of the part, operation and application information. The data sheet must be read in conjunction with this quick start guide for demo circuit 1342B.
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L1(µH) | L2(µH) | IR(A) | IR 2(A) | ISAT(A) | RDC1 typ(Ω) | RDC2 typ(Ω) | RDC1 max(Ω) | RDC2 max(Ω) | fres(MHz) | Type | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-DD SMT Shielded Coupled Inductor, 47 µH, 47 µH | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-DD SMT Shielded Coupled Inductor | Inductance 147 µH | Inductance 247 µH | Rated Current1.45 A | Rated Current 21.45 A | Saturation Current3.1 A | DC Resistance 10.125 Ω | DC Resistance 20.125 Ω | DC Resistance 10.15 Ω | DC Resistance 20.15 Ω | Self Resonant Frequency5 MHz | TypeCrossed | –Check availability |
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |