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Overview
| Topology | Buck Converter |
| Input voltage | 7-14 V |
| Switching frequency | 400 kHz |
| Output 1 | 1 V / 200 A |
Description
Demonstration circuit 2631A features the LT C®7852 in two high output current, high efficiency step down converters each with its own assembly type. The converter for the -A assembly provides two 3-phase outputs of 1.0V/100A and 1.5V/100A.
Features
- Sub-Milliohm DCR Sensing or DrMOS with CurrentSense Improves Efficiency
- Operates with Power Blocks, DrMOS or External Gate Drivers and MOSFETs
- ±0.5% Total Output Voltage Accuracy
- Flexible Phase Configuration
- Dual Output Current Monitoring
- tON(MIN) = 40ns, Capable of Very Low Duty Cycles atHigh Frequency
- Dual Differential Remote Sensing Amplifiers
- Programmable Frequency Range of 250kHz to 1.2MHz
- VIN Range Is Not Limited by IC
- VCC Range: 4.5V to 5.5V
- VOUT Range: 0.5V to 2.0V
- 48 Lead (5mm × 6mm) GQFN for LTC7852
- 36 Lead (4mm × 5mm) QFN for LTC7852-1
Typical applications
- Telecom and Datacom Systems
- Computer Systems
- DC Power Distribution Systems
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | LR (nH) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Pins | Type | Mount | L (mm) | H (mm) | IR (A) | Working Voltage (V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744301025 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCM SMT High Current Flat Wire Inductor | 0.25 | 250 | 70 | 76 | 0.3 | 29 | MnZn | 2 | – | SMT | 11.3 | 8.9 | 38 | – | ||
 | 60800213421 | SPEC | – | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD Jumper | – | – | – | – | – | – | – | 2 | – | – | – | – | 3 | 200 | |
 | 62000311121 | SPEC | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD Pin Header | – | – | – | – | – | – | – | 3 | Straight | THT | 6 | – | 2 | 200 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744301025 | SPEC | |
| 60800213421 | SPEC | – |
| 62000311121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | LR (nH) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Pins | Type | Mount | L (mm) | H (mm) | IR (A) | Working Voltage (V (AC)) | Samples |
|---|
