MCP16251T-I/CH
Voltage Regulators - DC DC Switching Regulators
Technical Specifications
| Type | Description |
|---|---|
| Output Type | Adjustable |
| Output Voltage | 3.65 V |
| Output Current | 0.225 A |
| Function | Boost |
| Working Voltage V | 2.925 V |
| Switching Freq Hz | 500 kHz |
| Channels | 1 |
| Type | Description |
|---|---|
| Iq A | 4e-06 |
| Switch tube (built-in/external) | Built-in |
| Operating Temp | -40°C ~ +85°C |
| Features | Load disconnect;Light load efficient mode;Overcurrent Protection |
| Topology | Boost |
| Package / Case | SOT-23-6 |
Product Introduction
The MCP16251/2 is a compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converter. This family of devices provides an easy-to-use power supply solution for applications powered by either one-cell, two-cell or three-cell alkaline, NiCd, NiMH, one-cell Li-Ion or Li-Polymer batteries.
Low-voltage technology allows the regulator to start-up without high inrush current or output voltage overshoot from a low-voltage input. High efficiency is accomplished by integrating the low-resistance N-Channel boost switch and synchronous P-Channel switch. All compensation and protection circuitry are integrated to minimize external components. MCP16251/2 operates and consumes less than 14 μA from battery after start-up, while operating at no load (V_OUT = 3.3V, V_IN = 1.5V). The devices provide a true disconnect from input to output (MCP16251) or an input-to-output bypass (MCP16252), while in shutdown (EN = GND). Both shutdown options consume less than 0.6 μA from battery.
Output voltage is set by a small external resistor divider. Two package options, SOT-23, 6-lead and TDFN, 2×3×0.8 mm, 8-lead are available.
Features
- Up to 96% Typical Efficiency
- 650 mA Typical Peak Input Current Limit
- Low Device Quiescent Current
- Shutdown Current: 0.6 μA typical
- Low Start-Up Voltage: 0.82V, 1 mA load
- Low Operating Input Voltage: down to 0.35V
- Adjustable Output Voltage Range: 1.8V to 5.5V
- Maximum Input Voltage ≤ V_OUT < 5.5V
- Automatic PFM/PWM Operation
- Feedback Voltage: 1.23V
- Internal Synchronous Rectifier
- Internal Compensation
- Inrush Current Limiting and Internal Soft Start (1.5 ms typical)
- Selectable, Logic Controlled, Shutdown States
- Anti-Ringing Control
- Overtemperature Protection
- Available Packages: SOT-23, 6-Lead; TDFN, 2×3×0.8 mm, 8-Lead
Applications
- - One, Two and Three-Cell Alkaline and NiMH/NiCd Portable Products - Solar Cell Applications - Personal Care and Medical Products - Bias for Status LEDs - Smartphones, MP3 Players, Digital Cameras - Remote Controllers, Portable Instruments - Wireless Sensors - Bluetooth Headsets - +3.3V to +5.0V Distributed Power Supply
Datasheet
Alternative Parts
Common MCP16251T-I/CH alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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