Datasheet Linear Technology LTC3823 — Datenblatt
| Hersteller | Linear Technology |
| Serie | LTC3823 |
Schneller synchroner DC / DC-Abwärtsregler ohne Rsense mit differenzieller Ausgangserkennung, -verfolgung und PLL
Datenblätter
Datasheet LTC3823
PDF, 315 Kb, Sprache: en, Datei hochgeladen: Sep 23, 2017, Seiten: 26
Fast No RSENSE Step-Down Synchronous DC/DC Controller with Differential Output Sensing, Tracking and PLL
Fast No RSENSE Step-Down Synchronous DC/DC Controller with Differential Output Sensing, Tracking and PLL
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Preise
Verpackung
| LTC3823EGN#PBF | LTC3823EGN#TRPBF | LTC3823EUH#PBF | LTC3823EUH#TRPBF | LTC3823IGN#PBF | LTC3823IGN#TRPBF | LTC3823IUH#PBF | LTC3823IUH#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Package | SSOP-28 Paketumrisszeichnung | SSOP-28 Paketumrisszeichnung | 5x5 QFN-32 Paketumrisszeichnung | 5x5 QFN-32 Paketumrisszeichnung | SSOP-28 Paketumrisszeichnung | SSOP-28 Paketumrisszeichnung | 5x5 QFN-32 Paketumrisszeichnung | 5x5 QFN-32 Paketumrisszeichnung |
| Package Code | GN | GN | UH | UH | GN | GN | UH | UH |
| Package Index | 05-08-1641 (GN28) | 05-08-1641 (GN28) | 05-08-1693 | 05-08-1693 | 05-08-1641 (GN28) | 05-08-1641 (GN28) | 05-08-1693 | 05-08-1693 |
| Pin Count | 28 | 28 | 32 | 32 | 28 | 28 | 32 | 32 |
Parameter
| Parameters / Models | LTC3823EGN#PBF | LTC3823EGN#TRPBF | LTC3823EUH#PBF | LTC3823EUH#TRPBF | LTC3823IGN#PBF | LTC3823IGN#TRPBF | LTC3823IUH#PBF | LTC3823IUH#TRPBF |
|---|---|---|---|---|---|---|---|---|
| Architecture | Constant On-Time Valley Current Mode | Constant On-Time Valley Current Mode | Constant On-Time Valley Current Mode | Constant On-Time Valley Current Mode | Constant On-Time Valley Current Mode | Constant On-Time Valley Current Mode | Constant On-Time Valley Current Mode | Constant On-Time Valley Current Mode |
| Demo Boards | DC1021A | DC1021A | DC1021A | DC1021A | DC1021A | DC1021A | DC1021A | DC1021A |
| Design Tools | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File |
| Export Control | no | no | no | no | no | no | no | no |
| Features | No Rsense, Tracking, Differential Remote Sense, PLL, External Synchronization, Resistor Set Frequency | No Rsense, Tracking, Differential Remote Sense, PLL, External Synchronization, Resistor Set Frequency | No Rsense, Tracking, Differential Remote Sense, PLL, External Synchronization, Resistor Set Frequency | No Rsense, Tracking, Differential Remote Sense, PLL, External Synchronization, Resistor Set Frequency | No Rsense, Tracking, Differential Remote Sense, PLL, External Synchronization, Resistor Set Frequency | No Rsense, Tracking, Differential Remote Sense, PLL, External Synchronization, Resistor Set Frequency | No Rsense, Tracking, Differential Remote Sense, PLL, External Synchronization, Resistor Set Frequency | No Rsense, Tracking, Differential Remote Sense, PLL, External Synchronization, Resistor Set Frequency |
| Frequency, kHz | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
| Frequency Adjust Range | 100kHz - 1MHz | 100kHz - 1MHz | 100kHz - 1MHz | 100kHz - 1MHz | 100kHz - 1MHz | 100kHz - 1MHz | 100kHz - 1MHz | 100kHz - 1MHz |
| Frequency Sync Range | 100kHz - 1MHz | 100kHz - 1MHz | 100kHz - 1MHz | 100kHz - 1MHz | 100kHz - 1MHz | 100kHz - 1MHz | 100kHz - 1MHz | 100kHz - 1MHz |
| Integrated Inductor | no | no | no | no | no | no | no | no |
| Ishutdown, µA | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Isupply, mA | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 |
| Max Phases | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Monolithic | no | no | no | no | no | no | no | no |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Polyphase | no | no | no | no | no | no | no | no |
| Sense Resistor | Rsense, None | Rsense, None | Rsense, None | Rsense, None | Rsense, None | Rsense, None | Rsense, None | Rsense, None |
| Switch Current, A | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Synchronous | yes | yes | yes | yes | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Vin Max, V | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Vin Min, V | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Vout Max, V | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Vout Maximum | .9Vin | .9Vin | .9Vin | .9Vin | .9Vin | .9Vin | .9Vin | .9Vin |
| Vout Min, V | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| Vref Accuracy Over Temp, % | 0.67 | 0.67 | 0.67 | 0.67 | 0.67 | 0.67 | 0.67 | 0.67 |
Öko-Plan
| LTC3823EGN#PBF | LTC3823EGN#TRPBF | LTC3823EUH#PBF | LTC3823EUH#TRPBF | LTC3823IGN#PBF | LTC3823IGN#TRPBF | LTC3823IUH#PBF | LTC3823IUH#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Modellreihe
Serie: LTC3823 (8)
Herstellerklassifikation
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > External Power Switch Buck Controllers