Datasheet Linear Technology LT8643SIV#PBF
| Manufacturer | Linear Technology |
| Series | LT8643S |
| Part Number | LT8643SIV#PBF |
42V, 6A Synchronous Step-Down Silent Switcher 2 with 2.5µA Quiescent Current
Datasheets
Datasheet LT8640S, LT8643S
PDF, 2.3 Mb, Language: en, File uploaded: Sep 20, 2017, Pages: 30
42V, 6A Synchronous Step-Down Silent Switcher 2 with 2.5µA Quiescent Current
42V, 6A Synchronous Step-Down Silent Switcher 2 with 2.5µA Quiescent Current
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Packaging
| Package | 4mm × 4mm × 0.94mm LQFN |
| Package Code | LQFN |
| Package Index | 05-08-1511 |
Parametrics
| Architecture | Constant Frequency Current Mode |
| Demo Boards | DC2658A |
| Design Tools | LTspice Model,LTpowerCAD File |
| Export Control | no |
| Features | Low EMI, Silent Switcher 2 Architecture, Internal Bypass Caps, Resistor Set Frequency, External Synchronization, Burst Mode, Tracking, Power Good |
| Frequency | 3000 kHz |
| Frequency Adjust Range | 200kHz - 3MHz |
| Frequency Sync Range | 200kHz - 3MHz |
| Integrated Inductor | no |
| Ishutdown | 1.7 µA |
| Isupply | 0.021 mA |
| Max Phases | 1 |
| Monolithic | yes |
| Number of Outputs | 1 |
| Operating Temperature Range | -40 to 85 °C |
| Output Current | 6 A |
| Polyphase | no |
| Switch Current | 10 A |
| Synchronous | yes |
| Topology | Buck |
| Topology 1 | Buck |
| Vin Max | 42 V |
| Vin Min | 3.4 V |
| Vin Min Startup | 3.4 V |
| Vout Max | 41.58 V |
| Vout Maximum | 0.99Vin |
| Vout Min | 0.97 V |
| Vref Accuracy Over Temp | 1.23 % |
Eco Plan
| RoHS | Compliant |
Other Options
Model Line
Series: LT8643S (2)
- LT8643SEV#PBF LT8643SIV#PBF
Manufacturer's Classification
- Power Management > Switching Regulator > Ultralow Noise Regulators
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck | High Input Voltage Buck
Other Names:
LT8643SIVPBF, LT8643SIV PBF
