MCP1252-ADJI/MS Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP1252-ADJI/MS is an adjustable-output 120 mA switched-capacitor charge pump DC-DC converter operating from a 2 V to 5.5 V input. It uses pulse-width modulation control and ships in an 8-pin MSOP package for compact board designs. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP1252-ADJI/MS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.3400(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MCP1252-ADJI/MS?
- Adjustable output voltage via external resistor divider, enabling flexible regulation from a single charge-pump topology
- 120 mA continuous output current capacity with 2 V to 5.5 V input range, supporting 3.3 V and 5 V rail applications
- PWM control in compact 8-pin MSOP package, minimizing solution footprint in space-constrained designs
What is MCP1252-ADJI/MS used for?
The MCP1252-ADJI/MS is suited for battery-powered portable devices that need a regulated boosted rail, such as LCD bias supplies, white-LED drivers, and SRAM backup circuits. Its adjustable output and wide 2 V to 5.5 V input range make it practical for single-cell Li-ion or AA-cell applications where supply voltage varies over the discharge cycle. The small 8-pin MSOP footprint also makes it a good fit for wearables and IoT sensor nodes where board area is tightly constrained.
What are the specifications of MCP1252-ADJI/MS?
| Pbfree Code | Yes |
| Manufacturer Package Code | MSOP-8 |
| Factory Lead Time | 11Weeks |
| YTEOL | 9 |
| Analog IC - Other Type | SWITCHED CAPACITOR CONVERTER |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2V |
| Input Voltage-Nom | 3.6V |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 0.15A |
| Output Voltage-Max | 5.5V |
| Output Voltage-Min | 1.5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.12mA |
| Surface Mount | YES |
| Switcher Configuration | BUCK-BOOST |
| Switching Frequency-Max | 780kHz |
| Technology | MOS |
| Temperature Grade | INDUSTRIAL |
| 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 |
Where can I find the MCP1252-ADJI/MS datasheet?
MCP1252-ADJI/MS Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP1252-ADJI/MS?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the MCP1252-ADJI/MS support, and how does that affect battery selection?
The MCP1252-ADJI/MS accepts inputs from 2 V to 5.5 V, making it compatible with single-cell Li-ion batteries (2.7 V to 4.2 V) and two-cell AA alkaline packs (2 V to 3.2 V). This 2 V minimum threshold allows the converter to keep operating well into battery discharge, extending usable runtime in portable equipment.
How much output current can the MCP1252-ADJI/MS deliver, and what loads is that sufficient for?
The device delivers up to 120 mA continuous output current, which is adequate for driving a small LCD module (typically 20 mA to 80 mA), several white LEDs in parallel, or powering low-power microcontrollers and sensors on a boosted rail. Loads requiring more than 120 mA will need a higher-current charge pump or a switching regulator instead.
Why choose an MSOP-8 charge pump over a larger SOT-23 or DIP alternative for a compact PCB?
The 8-pin MSOP package measures approximately 3 mm x 3 mm, significantly smaller than an 8-pin DIP (about 10 mm x 7 mm), and comparable in area to SOT-23 multi-chip solutions. Fewer external components are needed compared to an inductor-based converter, and the MSOP-8 footprint allows single-layer PCB routing in designs with as little as 10 mm² allocated to the power supply section.
How is the output voltage set on the MCP1252-ADJI/MS, and what resistor values are typically used?
Output voltage is set with an external resistor divider connected to the feedback pin. Using standard 1% resistors, a top resistor of 100 kΩ and a bottom resistor calculated from the formula VOUT = VREF × (1 + R1/R2) allow outputs between the internal reference voltage and approximately 2× the input voltage, covering common target rails of 3.3 V and 5 V within the 2 V to 5.5 V input window.
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