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Analog Devices LTM4652 | Demoboard DC3230A
Bidirectional Dual-Phase Single Output ±32A Inverting μModule Regulator
Overview
| Topology | Positive to Negative Converter |
| Input voltage | 4.5-18 V |
| Output 1 | -5 V / 32 A |
Description
Demonstration circuit 3230A features the LTM4652, a high efficiency, bidirectional dual-phase μModule® regulator configured as a single 32A, –5V output. The input voltage range is from 4.5V to 13V. For this inverting output demo board, the maximum VIN + |VOUT| should not exceed 18V. Derating is necessary for certain VIN, VOUT, frequency and thermal conditions.This demo board can be configured to source or sink output load current. Hardware test setup diagrams for both conditions are described in later sections. This demo board is optimized using a default frequency of 780kHz under the 9VIN and –5VOUT condition. The current mode architecture used in LTM4652 is peak current mode control.
Features
- Dual ±25A or Single ±50A Output Source/Sink
- Input Voltage Range: 4.5V to 18V (20V Abs Max)
- Output Voltage Range: 0.6V to 7.5V (8V Abs Max)
- ±1.5% Maximum Total DC Output Error Over Line, Load and Temperature
- Adjustable Control Loop Compensation
- Differential Remote Sense Amplifier
- Current Mode Control/Fast Transient Response
- Multiphase Parallel Current Sharing Up to ±300A
- Internal Temperature Monitor
- Adjustable Switching Frequency or Synchronization
- Overcurrent Foldback Protection
- Selectable Pulse-Skipping Mode Operation
- Soft-Start/Voltage Tracking
- Input and Output Overvoltage Protection
- 16mm × 16mm × 4.92mm BGA Package
Typical applications
- Industrial Equipment
- Telecom and Networking Equipment
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | DF(%) | RISO | Ceramic Type | W(mm) | Fl(mm) | Packaging | Pins | Type | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 10 V(DC), 4.7 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 10 V(DC) | Capacitance4.7 µF | Capacitance±20% | Rated Voltage10 V (DC) | Size0603 | Dissipation Factor10 % | Insulation Resistance0.02 GΩ | Ceramic TypeX5R Class II | Width0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | Length1.6 mm | Height0.8 mm | – | – | Operating Temperature -55 °C up to +85 °C | |||||
 | WR-PHD Jumper, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | – | – | – | – | Insulation Resistance1000 MΩ | – | – | – | PackagingBag | Pins2 | – | – | – | – | Rated Current3 A | 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 | – | – | – | – | – | Insulation Resistance1000 MΩ | – | – | – | PackagingBag | Pins3 | TypeStraight | MountTHT | Length6 mm | – | Rated Current2 A | 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 | – | – | – | – | – | Insulation Resistance1000 MΩ | – | – | – | PackagingBag | Pins6 | TypeStraight | MountTHT | Length6 mm | – | Rated Current2 A | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C |