MCP1631HV-330E/SS Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP1631HV-330E/SS is a high-voltage integrated high-side PWM switching controller with current-mode control operating from 3.5 V to 16 V input in a 20-pin SSOP package. It provides accurate 3.3 V reference output and supports boost, flyback, and SEPIC converter topologies. Available in stock worldwide with fast shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- MCP1631HV-330E/SS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.4400(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control with high-side gate drive from 3.5 V to 16 V input range for versatile topology support
- Accurate 3.3 V precision reference output enabling reliable feedback and housekeeping supply functions
- Integrated high-side driver supporting boost, flyback, and SEPIC power converter topologies
- 20-pin SSOP package with adjustable frequency and slope compensation for stable converter loop design
Applications
MCP1631HV-330E/SS is used in industrial power supplies, LED drivers, and embedded system converters requiring current-mode control with high-side switching from a 3.5 V to 16 V bus. Its SEPIC and flyback topology support makes it suitable for battery chargers, non-isolated DC-DC modules, and automotive accessory power converters where input voltage may vary widely. Engineers also deploy it in telecom and instrumentation power stages where accurate 3.3 V reference output and adjustable PWM frequency simplify control loop design.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SSOP-20 |
| Factory Lead Time | 4Weeks |
| YTEOL | 9 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 16V |
| Input Voltage-Min | 3.5V |
| Input Voltage-Nom | 5V |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 0.25A |
| Output Voltage-Max | 3.399V |
| Output Voltage-Min | 3.201V |
| Output Voltage-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP20,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| Surface Mount | YES |
| Switcher Configuration | SINGLE |
| Switching Frequency-Max | 2000kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does MCP1631HV-330E/SS support and which power converter topologies does it drive?
MCP1631HV-330E/SS operates from 3.5 V to 16 V input and integrates a high-side gate driver compatible with boost, flyback, SEPIC, and non-inverting buck-boost converter topologies. This flexibility allows a single controller IC to serve multiple power stage designs in industrial equipment, battery-powered instruments, and 12 V automotive accessory converters without changing the controller device.
How does MCP1631HV-330E/SS current-mode control improve transient response compared to voltage-mode PWM?
Current-mode control in MCP1631HV-330E/SS senses inductor current on a cycle-by-cycle basis and limits peak current directly, providing inherent over-current protection and first-order inductor dynamics removal. This results in faster load transient response — typically settling within 10 µs to 50 µs for a 50% load step — compared to voltage-mode converters that require additional compensation for the inductor pole, benefiting LED drivers and dynamic loads with rapid current changes.
What reference voltage does MCP1631HV-330E/SS provide and how is it used in a typical converter design?
MCP1631HV-330E/SS outputs a precision 3.3 V reference voltage usable as the feedback setpoint reference, gate signal threshold, or an auxiliary housekeeping rail for logic circuits. Using the internal reference for the feedback divider eliminates a separate precision reference IC, reducing BOM by 1 component and minimizing offset drift over the -40°C to +125°C operating temperature range in industrial and automotive converter designs.
For a 12 V to 3.3 V SEPIC converter design, what advantages does MCP1631HV-330E/SS offer over a discrete comparator approach?
MCP1631HV-330E/SS integrates oscillator, slope compensation, current comparator, high-side driver, soft-start, and reference in a single 20-pin SSOP device, replacing at least 6 discrete components typically needed for a comparable discrete implementation. Operating from 3.5 V to 16 V with adjustable PWM frequency up to 1 MHz, it enables compact SEPIC converter designs for 12 V industrial bus to 3.3 V regulated output with less than 200 mm² of total power stage PCB area.
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