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Analog Devices LTC4372 | Demoboard DC2969A-AB
LTC4372, LTC4373 Low Quiescent Current Dual Ideal Diodes
Overview
| Topology | Other Topology |
Description
The DC2969A circuit board enables evaluation of the LTC4372 and LTC4373 low quiescent current ideal diode controllers. The DC2969A-A option is assembled with the LTC4372 controller, whereas DC2969A-B is assembled with the LTC4373 controller. DC2969A includes two independent ideal diode circuits sharing a common ground, operating over a 2.5V to 33V range, and protecting the load against reverse inputs of up to –28V. One of these circuits includes a high side load switch in series with the ideal diode allowing load on/off control with the SHDN/UV jumper. In addition, input dropouts are blocked from the output, permitting capacitors to hold up the load when input power fails. Each channel can carry up to 20A.
Features
- Reduces Power Dissipation by Replacing a Power Schottky Diode
- Low Quiescent Current: 5μA Operating, 0.5μA Shutdown
- Wide Operating Voltage Range: 2.5V to 80V
- Reverse Supply Protection to –28V
- High Side External N-Channel MOSFET Drive
- Drives Back-to-Back MOSFETs for Inrush Control and Load Switching
- Fast Reverse Current Turn-Off within 1.5μs
- 8-Lead MSOP and 3mm × 3mm DFN Packages
Typical applications
- Redundant Power Supplies, Solar Powered Systems, Energy Harvesting Applications, Supply Holdup
- Automotive Battery Protection
- Portable Instrumentation
More information
Products
Order Code | Datasheet | Downloads | Status | Product series | f(mm) | Pins | Type | Mount | L(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WA-SNSR Self-Retaining Spacer, 4.8 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SNSR Self-Retaining Spacer | Drilling in Panel4.8 mm | – | – | – | Length12.7 mm | – | – | Operating Temperature -30 °C up to +85 °C | |||
 | 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 | 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 |