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Overview
| Topology | Buck Converter |
| Input voltage | 10-14 V |
| Switching frequency | 100-750 kHz |
| Output 1 | 5.15 V / 5 A |
| Output 2 | -5.15 V / 5 A |
| IC revision | 00 |
Description
Demonstration circuit 2240A is a synchronous fourquadrantconverter featuring the LT®8714 switchingcontroller. The LT8714 can regulate to positive, negative,or zero volts when configured as a four-quadrant topology.The DC2240A regulates from a 10V to 14V inputsource to an adjustable output voltage from positive 5Vto negative 5V with a 5A maximum current rating, andoperates at 200kHz switching frequency.
Features
- Bipolar Output Cleanly Transitions Through 0V
- Output Can Source or Sink Current for Any Output Voltage
- CTRL Pin Externally Sets Output Voltage
- Wide Input Range: 4.5V to 80V
- Power Good Indication Pin (PG)
- Switching Frequency Up to 750kHz
- Can Be Synchronized to an External Clock
- High Gain EN Pin Accepts Slowly Varying Input Signals
- 20-Lead TSSOP Exposed Pad Package
Typical applications
- Four Quadrant Power Supplies / Bidirectional Current Sources / High Power, Low Frequency Signal Amplification
- Test and Measurement / Electronic Window Tinting
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | W (mm) | Fl (mm) | Packaging | Pins | Type | Mount | L (mm) | H (mm) | IR (A) | Working Voltage (V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 885012206070 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | 68 nF | ±10% | 25 | 0603 | -55 °C up to +125 °C | 3.5 | 7.4 GΩ | X7R Class II | 0.8 | 0.4 | 7" Tape & Reel | – | – | – | 1.6 | 0.8 | – | – | |||
 | 60800213421 | SPEC | – | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD Jumper | – | – | – | – | -25 °C up to +105 °C | – | 1000 MΩ | – | – | – | Bag | 2 | – | – | – | – | 3 | 200 | |
 | 62000311121 | SPEC | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD Pin Header | – | – | – | – | -40 °C up to +105 °C | – | 1000 MΩ | – | – | – | Bag | 3 | Straight | THT | 6 | – | 2 | 200 | |
 | 62000621121 | SPEC | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD Pin Header | – | – | – | – | -40 °C up to +105 °C | – | 1000 MΩ | – | – | – | Bag | 6 | Straight | THT | 6 | – | 2 | 200 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012206070 | SPEC | ||
| 60800213421 | SPEC | – |
| 62000311121 | SPEC | – |
| 62000621121 | SPEC | – |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | W (mm) | Fl (mm) | Packaging | Pins | Type | Mount | L (mm) | H (mm) | IR (A) | Working Voltage (V (AC)) | Samples |
|---|
