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Microchip MCP1640 | Demoboard MCP1640 Family Data Sheet Boost Regulator
0.65V Start-Up Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option
Details
| Topologie | Aufwärtswandler |
| Eingangsspannung | 0.65-5.5 V |
| Schaltfrequenz | 425-575 kHz |
| Ausgang 1 | 5.5 V / 0 A |
Beschreibung
The MCP1640/B/C/D is a compact, high-efficiency,fixed frequency, synchronous step-up DC-DC converter. It provides an easy-to-use power supply solution for applications powered by either single-cell, two-cell, or three-cell alkaline, NiCd, NiMH, and singlecell Li-Ion or Li-Polymer batteries
Eigenschaften
- AEC-Q100 Qualified
- Up to 96% Typical Efficiency
- Passes automotive AEC-Q100 reliability testing
- 800 mA Typical Peak Input Current Limit:
- IOUT > 100 mA @ 1.2V VIN, 3.3V VOUT
- IOUT > 350 mA @ 2.4V VIN, 3.3V VOUT
- IOUT > 350 mA @ 3.3V VIN, 5.0V VOUT
- Low Start-Up Voltage: 0.65V, typical 3.3V VOUT@ 1 mA
- Low Operating Input Voltage: 0.35V, typical 3.3V VOUT @ 1 mA
- Adjustable Output Voltage Range: 2.0V to 5.5V
- Maximum Input Voltage VOUT < 5.5V
- Automatic PFM/PWM Operation(MCP1640/C):
- PFM Operation Disabled (MCP1640B/D)
- PWM Operation: 500 kHz
- Low Device Quiescent Current: 19 μA, typical PFM Mode (not switching)
- Internal Synchronous Rectifier
- Internal Compensation
- Inrush Current Limiting and Internal Soft Start
- Selectable, Logic Controlled Shutdown States:
- True Load Disconnect Option (MCP1640/B)
- Input to Output Bypass Option (MCP1640C/D)
- Shutdown Current (All States): < 1 μA
- Low Noise, Anti-Ringing Control
- Over temperature Protection
- Available Packages:
- 6-Lead SOT-23
- 8-Lead 2 mm x 3 mm DFN
Typische Anwendungen
- Portable Products, Bluetooth Headsets
- One, Two and Three Cell Alkaline and NiMH/NiCd, Single-Cell Li-Ion to 5V Converters, Li Coin Cell Powered Devices
- Wireless Sensors, Handheld Instruments, GPS Receivers
- +3.3V to +5.0V Distributed Power Supply
- Personal Medical Products
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IR(A) | ISAT(A) | fres(MHz) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TPC SMT-Speicherdrossel, 4.7 µH, 1 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TPC SMT-Speicherdrossel | Induktivität4.7 µH | Nennstrom1 A | Sättigungsstrom0.8 A | Eigenresonanzfrequenz65 MHz | MontageartSMT | ||||
| WE-TPC SMT-Speicherdrossel, 4.7 µH, 1.2 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TPC SMT-Speicherdrossel | Induktivität4.7 µH | Nennstrom1.2 A | Sättigungsstrom0.9 A | Eigenresonanzfrequenz75 MHz | MontageartSMT | ||||
 | WE-TPC SMT-Speicherdrossel, 4.7 µH, 1.55 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TPC SMT-Speicherdrossel | Induktivität4.7 µH | Nennstrom1.55 A | Sättigungsstrom1.7 A | Eigenresonanzfrequenz60 MHz | MontageartSMT | ||||
 | WE-TPC SMT-Speicherdrossel, 4.7 µH, 2.4 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TPC SMT-Speicherdrossel | Induktivität4.7 µH | Nennstrom2.4 A | Sättigungsstrom1.95 A | Eigenresonanzfrequenz40 MHz | MontageartSMT |