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Overview
| Topology | Boost Converter |
| Input voltage | 4-35 V |
| Switching frequency | 273-2150 kHz |
| Output 1 | 48 V / 0.1 A |
| Output 2 | 48 V / 0.2 A |
| Output 3 | 48 V / 0.7 A |
| Output 4 | 48 V / 0.3 A |
Description
The LT®8362 is a current mode DC/DC converter with a60V, 2A switch operating from a 2.8V to 60V input. Witha unique single feedback pin architecture it is capable ofboost, SEPIC or inverting configurations. Burst Modeoperation consumes as low as 9μA quiescent current tomaintain high efficiency at very low output currents, whilekeeping typical output ripple below 15mV.An external compensation pin allows optimization of loopbandwidth over a wide range of input and output voltagesand programmable switching frequencies between 300kHzand 2MHz. A SYNC/MODE pin allows synchronization toan external clock. It can also be used to select betweenburst or pulse-skip modes of operation with or withoutSpread Spectrum Frequency Modulation for low EMI.For increased efficiency, a BIAS pin can accept a secondinput to supply the INTVCC regulator. Additional featuresinclude frequency foldback and programmable soft-startto control inductor current during startup.The LT8362 is available in a thermally enhanced 10-lead3mm × 3mm DFN package or a thermally enhanced 16-leadMSOP package with four pins removed.
Features
nn Wide Input Voltage Range: 2.8V to 60Vnn Ultralow Quiescent Current and Low RippleBurst Mode® Operation: IQ = 9μAnn 2A, 60V Power Switchnn Positive or Negative Output Voltage Programmingwith a Single Feedback Pinnn Programmable Frequency (300kHz to 2MHz)nn Synchronizable to an External Clocknn Spread Spectrum Frequency Modulation for Low EMInn BIAS Pin for Higher Efficiencynn Programmable Undervoltage Lockout (UVLO)nn Thermally Enhanced 10-lead 3mm × 3mm DFN and16-lead MSOP packages
Typical applications
- Industrial and Automotive
- Telecom
- Portable Electronics
- Medical Diagnostic Equipment
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | fres (MHz) | Mount | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (mΩ) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74437324022 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LHMI SMT Power Inductor | 2.2 | 4.05 | 4.45 | 8.4 | 49 | SMT | – | – | – | – | 61 | – | ||
| 74437346220 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LHMI SMT Power Inductor | 22 | 2.5 | 2.75 | 5.95 | 10 | SMT | – | – | – | – | 190 | – | ||
 | 742792040 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | SMT | 600 | 700 | 150 MHz | 2000 | 150 | High Current |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 74437324022 | SPEC | |
| 74437346220 | SPEC | |
| 742792040 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | fres (MHz) | Mount | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (mΩ) | Type | Samples |
|---|