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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
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) | Mount | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR (mA) | Z @ 1 GHz (Ω) | H (mm) | Type | Pins (Value) (pcs) | Rows | Gender | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74437336010 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LHMI SMT Power Inductor | 1 | 8.6 | 7.4 | 14.2 | 14 | 60 | SMT | – | – | – | – | – | 2.8 | – | 2 | – | – | – | ||
 | 74279226101 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-MPSB EMI Multilayer Power Suppression Bead | – | – | – | – | 6 | – | SMT | 100 | 160 | 1100 MHz | 8000 | 150 | 2.3 | High Current | – | – | – | – | ||
 | 60800213421 | SPEC | – | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.00 mm Jumper with Test Point | – | – | – | – | – | – | – | – | – | – | 3000 | – | – | – | 2 | – | Jumper | Bag | |
 | 62000311121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.00 mm THT Pin Header | – | – | – | – | – | – | THT | – | – | – | 2000 | – | – | Straight | 3 | Single | Pin Header | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 74437336010 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
| 74279226101 | SPEC | |
| 60800213421 | SPEC | – |
| 62000311121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Mount | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR (mA) | Z @ 1 GHz (Ω) | H (mm) | Type | Pins (Value) (pcs) | Rows | Gender | Packaging | Samples |
|---|