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Analog Devices LT8692S | Demoboard EVAL-LT8692S-AZ
42V/2A plus 3× 8V/1A, 2MHz Quad Monolithic Synchronous Step-Down Regulator
Overview
| Topology | Buck Converter |
| Input voltage | 6.2-42 V |
| Switching frequency | 1800-2200 kHz |
| Output 1 | 1.8 V / 1 A |
| Output 2 | 1.2 V / 1 A |
| Output 3 | 3.3 V / 1 A |
| Output 4 | 5 V / 1 A |
Description
Demonstration circuit EVAL-LT8692S-AZ is an ultracompact 4 rail power supply featuring the LT®8692S,a 42V quad monolithic synchronous step-down Silent Switcher®. The demo circuit is designed for 5V, 3.3V,1.8V, and 1.2V outputs from a nominal 12V input. The 3.3V, 1.8V and 1.2V converters are powered from the high voltage buck regulator with 5V output, which is powered from a wide range of 6.2V to 42V input. The current capability is 2A for the channel 1, and 1A for the low voltage channels.
Features
- Flexible Power Supply System Providing Four Outputs with a Wide Input Range
- One High Voltage Synchronous Buck Regulator
- 3V to 42V Input Voltage Range
- Continuous Output Current Up to 2A
- High Efficiency Up to 93%
- Three Low Voltage Synchronous Buck Regulators
- 1.2V to 8V Input Voltage Range
- Continuous Output Currents Up to 1A
- High Efficiency Up to 95%
- Silent Switcher® Architecture
- Ultralow EMI/EMC Emissions
- Spread Spectrum Frequency Modulation
- Ultralow Quiescent Current Burst Mode® Operation
- 9.6μA IQ Regulating 12VIN1 to 5V/3.3V/1.8V/1.2VOUT1-4
- Output Ripple <10mVPK-PK
- External Synchronization Capability
- Forced Continuous Mode Capability
- Small Thermally Enhanced 4mm × 3mm 20-Lead LQFN Package
- AEC-Q100 Qualified for Automotive Applications
Typical applications
- Power Supplies
- Industrial Controls
- Automotive Systems
More information
Products
Order Code | Datasheet | Downloads | Status | Product series | Pins | Type | Mount | L(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-PHD Jumper, 2, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | Pins2 | – | – | – | Rated Current3 A | Working Voltage200 V (AC) | Operating Temperature -25 °C up to +105 °C | |||
 | WR-PHD Pin Header, 3, Straight | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | Pins3 | TypeStraight | MountTHT | Length6 mm | Rated Current2 A | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WR-PHD Pin Header, 8, Straight | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | Pins8 | TypeStraight | MountTHT | Length8 mm | Rated Current2 A | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C |