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Analog Devices LT8330 | Demoboard LT Journal
Low IQ Boost/SEPIC/Inverting Converter with 1A, 60V Switch
Overview
| Topology | SEPIC Buck-Boost Topology |
| Input voltage | 4-36 V |
| Switching frequency | 1850-2150 kHz |
| Output 1 | 12 V / 0.28 A |
| IC revision | 1 |
Description
The LT8330 monolithic DC/DC converter enables boost,SEPIC or inverting topologies in a low profile 6-leadThinSOT™ or an 8-lead (3mm × 2mm) DFN package. Itmeets the demand for small, efficient power supply solutionswith a 3V-to-40V input range, internal 1A, 60V switch and6µA quiescent current. It easily satisfies the requirementsof numerous industrial and automotive applications.
Features
- 3V to 40V Input Voltage Range
- Ultralow Quiescent Current and Low Ripple Burst Mode® Operation: IQ = 6μA
- 1A, 60V Power Switch
- Positive or Negative Output Voltage Programming with a Single Feedback Pin
- Fixed 2MHz Switching Frequency
- Accurate 1.6V EN/UVLO Pin Threshold
- Internal Compensation and Soft-Start
- Low Profile (1mm) ThinSOT™ Package
- Low Profile (0.75mm) 8-Lead (3mm × 2mm) DFN Package
Remarks
- L1=L2=6.8 are used refer page no-18
Typical applications
- Medical Diagnostic Equipment
- Telecom
- Industrial and Automotive
- Portable Electronics
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L1(µH) | L2(µH) | n | IR(A) | IR 2(A) | ISAT(A) | ISAT1(A) | ISAT2(A) | RDC1 typ(mΩ) | RDC2 typ(mΩ) | RDC1 max(mΩ) | RDC2 max(mΩ) | fres 1(MHz) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TDC SMT Shielded Coupled Inductor, 4.7 µH, 4.7 µH | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TDC SMT Shielded Coupled Inductor | Inductance 14.7 µH | Inductance 24.7 µH | Turns Ratio1:1 | Rated Current1.85 A | Rated Current 21.85 A | Saturation Current4.2 A | Saturation Current 14.2 A | Saturation Current 24.2 A | DC Resistance 154.5 mΩ | DC Resistance 254.5 mΩ | DC Resistance 164 mΩ | DC Resistance 264 mΩ | Self Resonant Frequency [1]30 MHz |