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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
- Industrial and Automotive
- Telecom
- Medical Diagnostic Equipment
- Portable Electronics
More information
Products
| Order Code | Datasheet | Simulation | Downloads | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74489440047 | SPEC | 8 files | WE-TDC SMT Shielded Coupled Inductor | 4.7 | 4.7 | 1:1 | 1.85 | 1.85 | 4.2 | 4.2 | 4.2 | 54.5 | 54.5 | 64 | 64 | 30 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 74489440047 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | 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 |
|---|