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Analog Devices LT7170-1 | Demoboard EVAL-LT7170-1-AZ
20A, 16V Dual-Phase Silent Switcher Step-Down Regulator with Digital Power System Management
Overview
| Topology | Buck Converter |
| Input voltage | 1.5-16 V |
| Output 1 | 1 V / 20 A |
Description
Evaluation kit EVAL-LT7170-1-AZ is a dual-phase single-output monolithic DC/DC synchronous step-down regulator with a 2.9V or 1.5V with EXTVCC to 16V input range featuring LT®7170-1. The output can supply 20A continuous load current. The Silent Switcher® regulator structure is incorporated into the LT7170-1 to minimize EMI and reduce PCB layout sensitivity. It also integrates digital power system management functionality, allowing for programmability and telemetry with a PMBus/I2C compliant serial interface. Refer to the LT7170-1 data sheet for more detailed information.
Features
- Silent Switcher® architecture: enables a compact, efficient, low EMI solution
- PMBus/I2C serial interface
- Telemetry read back includes VOUT, IOUT, VIN, die temperature, and faults
- Programmable voltage, current limit, sequencing, soft start and stop, undervoltage and overvoltage, phase, frequency (up to 4 MHz), and loop compensation
- Integrated three times programmable NVM
- Key parameters selectable by resistor
- VOUT set point range: 0.4 V to 5.5 V
- VOUT accuracy: ±0.25%, 0.6 V ≤ VOUT ≤ 1.375 V
- Differential remote VOUT sense
- Fast transient response
- Wide VIN supply range: down to 2.9 V or 1.5 V with EXTVCC
- Programmable and synchronizable: 400 kHz to 4 MHz
- 24-lead (3.5 mm × 4 mm) LQFN package
Typical applications
- Communications
- industrial systems
- Data center and solid state drives
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | 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 | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-LHMI SMT Power Inductor, 1 µH, 8.6 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LHMI SMT Power Inductor | Inductance1 µH | Performance Rated Current8.6 A | Saturation Current @ 10%7.4 A | Saturation Current @ 30%14.2 A | DC Resistance14 mΩ | Self Resonant Frequency60 MHz | – | – | – | – | – | Height2.8 mm | – | Pins2 | MountSMT | Length5.7 mm | – | Operating Temperature -40 °C up to +125 °C | –Check availability | |||
 | SPECWE-MPSB EMI Multilayer Power Suppression Bead, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MPSB EMI Multilayer Power Suppression Bead | – | – | – | – | DC Resistance6 mΩ | – | 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 | –Check availability | |||
 | SPECWR-PHD Jumper, –, – | Simulation– | Availability – | 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 | –Check availability | ||
 | SPECWR-PHD Pin Header, –, – | Simulation– | Availability – | 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 | –Check availability |
Availability Forecast
WE item number Packaging unitsLead time
––– weeks
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |
There is no forecast for this quantity request.
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