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Analog Devices LT8350S | Demoboard EVAL-LT8350S-AZ
LT8350S 40VIN, 18VOUT, 6A Synchronous Buck-Boost Silent Switcher 2
Overview
| Topology | Buck-Boost Converter |
| Input voltage | 3-40 V |
| Output 1 | 12 V / 2.5 A |
Description
The EVAL-LT8350S-AZ Evaluation board is a 40V synchronous buck-boost converter featuring the LT®8350S. It drives up to 2.5A load at 12V output when VIN is between 9V and 40V and will run down to 3VIN with reduced output current. EVAL-LT8350S-AZ runs at 350kHz switching frequency with spread spectrum frequency modulation (SSFM) disabled. When enabled, SSFM spreads the switching frequency of the LT8350S from fSW to fSW + 25% for a reduced electromagnetic interference (EMI) emission.
Features
- 3V–40V Operating Input Voltage
- Reduced EMI emissions for CISPR 25 Class 5
- Spread Spectrum Frequency Modulation
- Input and Output EMI filter
- In-built Input and Output high-frequency capacitors
- Adjustable UVLO, VOUT, fSW, Output Current and Limit
- Voltage-Monitoring (PGOOD) and Current-Monitoring(ISMON)
- Configurable SYNC pin for Forced Continuous Mode(FCM), Discontinuous Conduction Mode (DCM),SSFM, and external Frequency Synchronization
- Feed Forward Function for improved transient response
Typical applications
- USB Power Delivery (USB-PD) Source
- Industrial Systems, Voltage Regulator with Accurate Current Limit
- High-Frequency Battery-Powered System
- Automotive Systems
- Telecom Systems
More information
Products
| Order Code | Datasheet | Downloads | Status | Product series | f (mm) | Pins | Type | Mount | L (mm) | IR (A) | Working Voltage (V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 702935000 | SPEC | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WA-SNSR Self-Retaining Spacer | 4.8 | – | – | – | 12.7 | – | – | |
 | 60800213421 | SPEC | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD Jumper | – | 2 | – | – | – | 3 | 200 | |
 | 62000311121 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD Pin Header | – | 3 | Straight | THT | 6 | 2 | 200 | |
 | 62000821121 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD Pin Header | – | 8 | Straight | THT | 8 | 2 | 200 |
| Order Code | Datasheet | |
|---|---|---|
| 702935000 | SPEC |
| 60800213421 | SPEC |
| 62000311121 | SPEC |
| 62000821121 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Downloads | Status | Product series | f (mm) | Pins | Type | Mount | L (mm) | IR (A) | Working Voltage (V (AC)) | Samples |
|---|
