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Analog Devices LTM4659 | Demoboard DC3248A
Low VIN, High Efficiency 10A Step-Down DC-to-DC μModule Regulator
Overview
| Topology | Buck Converter |
| Input voltage | 2.25-5.5 V |
| Output 1 | 1 V / 10 A |
Description
The DC3248A evaluation board circuit features the LTM®4659, a high efficiency, 10A step-down power μModule® regulator. The input voltage range is from 2.25V to 5.5V. The output voltage range is 0.5V to VIN. Derating may be necessary for certain VIN, VOUT, frequency and thermal conditions. The DC3248A evaluation board offers the SSTT pin, allowing the user to program output tracking, soft start period and die temperature monitoring.
Features
- Tiny Surface Mount, 4mm × 4mm × 1.43mm LGA
- Silent Switcher®2 Architecture
- Ultralow EMI Noise
- Input Voltage Range: 2.25V to 5.5V
- Output Voltage Range: 0.5V to VIN
- 10A DC Output Current
- Current Mode Control, Fast Transient Response
- Multiphase Parallel Current Sharing with Multiple LTM4659s
- Output Soft-Start with Voltage Tracking
- External Frequency Synchronization
- Selectable Pulse-Skipping Mode
- Power Good Indicator
- Die Temperature Monitoring Output
- Overvoltage, Overcurrent, and
- Overtemperature Protection
Typical applications
- Telecom, Datacom, Networking System
- Industrial Equipment, Point-of-Load Regulation
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR(mA) | Z @ 1 GHz(Ω) | H(mm) | Type | Pins | Mount | L(mm) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-MPSB EMI Multilayer Power Suppression Bead, 100 Ω, 160 Ω | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MPSB EMI Multilayer Power Suppression Bead | Impedance @ 100 MHz100 Ω | Maximum Impedance160 Ω | Maximum Impedance1100 MHz | Rated Current8000 mA | Impedance @ 1 GHz150 Ω | Height2.3 mm | TypeHigh Current | – | MountSMT | Length4.5 mm | – | Operating Temperature -55 °C up to +125 °C | ||||
 | WR-PHD Jumper, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | – | – | Rated Current3000 mA | – | – | – | Pins2 | – | – | Working Voltage200 V (AC) | Operating Temperature -25 °C up to +105 °C | |||
 | WR-PHD Pin Header, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | – | – | – | Rated Current2000 mA | – | – | TypeStraight | Pins3 | MountTHT | Length6 mm | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WR-PHD Pin Header, –, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | – | – | – | Rated Current2000 mA | – | – | TypeStraight | Pins6 | MountTHT | Length6 mm | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C |