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Overview
| Topology | Buck Converter |
| Input voltage | 4-48 V |
| Output 1 | 3.3 V / 0.4 A |
| IC revision | 1 |
Description
The MCP16367/8/9 family of devices are highly integrated, high-efficiency, fixed-frequency, step-down DC-DC converters in a compact 8-lead 3 mm x 3 mm VDFN package that operates from input voltage sources upto 48V. Integrated features include a high-side switch, fixed-frequency Peak Current Mode Control, InternalCompensation, Power Good, Peak Current Limit and Overtemperature Protection. The MCP16367/8/9 providesall the active functions for local DC-DC conversion with fast transient response and accurate regulation.High efficiency conversion is achieved by integrating the current-limited, high-speed N-Channel MOSFET andassociated drive circuitry. High switching frequency minimizes the size of the external filtering componentsresulting in a small size solution.The MCP16367/8/9 can supply 400 mA of continuous current while regulating the output voltage from 2.0V to24V. An integrated, high-performance peak current mode control architecture keeps the output voltage tightlyregulated, even during input voltage steps and output current transient conditions that are common in powersystems.The MCP16367 is capable of running in PFM/PWM mode. It switches in PFM mode for light load conditions and for large step-down conversion ratios. This results in a higher efficiency over all load ranges.
Features
- Input Voltage Range: 4.0V (After Start-Up) to 48V
- Adjustable Output Voltage Range: 2.0V to 24V
- Integrated N-Channel Buck Switch: 500 mΩ
- 400 mA Output Current
- 2.2 MHz Fixed Switching Frequency
- Shutdown Current: 3 μA Typical
- Quiescent Current: 18 μA Typical (Not Switching)
- Device Selectable Switching Mode:
- Automatic Pulse Frequency Modulation/Pulse Width Modulation (PFM/PWM) Operation - MCP16367
- PWM only Mode of Operation - MCP16368
- PWM only Mode of Operation with Switching Frequency Dithering for EMI constrained applications -MCP16369
- Power Good Output
- Undervoltage Lockout (UVLO)
- Peak Current Mode Control
- Internal Compensation
- Internal Soft-Start
- Internal Bootstrap Diode
- Cycle-By-Cycle Peak Current Limit
- Overtemperature Protection
- Available Package: 8-Lead 3 mm x 3 mm Wettable Flanks VDFN (see Package)
- AEC-Q100 Automotive Qualified, see Product Identification System
Typical applications
- Medical and Health Care
- Distributed Power Supplies, Automotive, DC/DC; Industrial 24V DC/DC, Microcontroller Bias Supply, 24V Industrial Input DC-DC Conversion, AC-DC Digital Control Power Sources
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT(A) | fres(MHz) | Mount | C | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | DF(%) | Pitch(mm) | Ø D(mm) | L(mm) | Packaging | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-TPC SMT Tiny Power Inductor, 8.2 µH, 1.65 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | Inductance8.2 µH | Rated Current1.65 A | Saturation Current1.5 A | Self Resonant Frequency12 MHz | MountSMT | – | – | – | – | – | – | – | – | Length8 mm | – | –Check availability | |||
 | SPECWCAP-ATET Aluminum Electrolytic Capacitors, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATET Aluminum Electrolytic Capacitors | – | – | – | – | – | Capacitance100 µF | Rated Voltage100 V (DC) | Endurance 2000 | Ripple Current270 mA | Leakage Current100 µA | Dissipation Factor7 % | Pitch5 mm | Diameter13 mm | Length25 mm | PackagingAmmopack | –Check availability |
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |