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Overview
| Topology | Buck Converter |
| Input voltage | 5-38 V |
| Output 1 | 3.3 V / 20 A |
Description
Demonstration circuit DC2834A is a DC/DC synchronous step-down converter featuring the LTC®7803 (MSE package), a spread spectrum or constant frequency current mode synchronous step-down controller. The DC2834A generates a 3.3V of output voltage.
Features
- Wide input voltage range: from 5V to 38V
- High load current, up to 20A
- Extremely low quiescent current: 15μA in sleep mode and as low as 1μA at shutdown
- Ability to select spread spectrum or fixed frequency
- Selectable pulse-skipping, forced continuous operation or low ripple Burst Mode® operation at light loads
- Synchronization with external clock
- The DC2834A supports RSENSE or inductor DCR cur¬rent sensing (optional).
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Mount | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7843320068 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CHSA SMT High Current Inductor | 0.68 | 41.4 | 2.05 | 88 | SMT | – | – | – | 1212 | -55 °C up to +150 °C | – | – | – | 12.2 | 12.2 | – | – | – | 11.75 | – | – | 25.3 | – | ||
 | 885012206020 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 10 V(DC) | – | – | – | – | – | 100 nF | ±10% | 10 | 0603 | -55 °C up to +125 °C | 5 | 5 GΩ | X7R Class II | 1.6 | 0.8 | 0.4 | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
 | 60800213421 | SPEC | – | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.00 mm Jumper with Test Point | – | – | – | – | – | – | – | – | – | -25 °C up to +105 °C | – | 1000 MΩ | – | – | – | – | 2 | – | – | Jumper | – | 3 | Bag | |
 | 62000311121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.00 mm THT Pin Header | – | – | – | – | THT | – | – | – | – | -40 °C up to +105 °C | – | 1000 MΩ | – | 6 | – | – | 3 | Single | – | Pin Header | Straight | 2 | Bag | |
 | 62000621121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.00 mm THT Dual Pin Header | – | – | – | – | THT | – | – | – | – | -40 °C up to +105 °C | – | 1000 MΩ | – | 6 | – | – | 6 | Dual | – | Pin Header | Straight | 2 | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7843320068 | SPEC | |
| 885012206020 | SPEC | |
| 60800213421 | SPEC | – |
| 62000311121 | SPEC | – |
| 62000621121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Mount | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
|---|