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MCP1632x Synchronous Buck Regulators
Microchip's highly integrated, fixed frequency, synchronous step-down DC-DC converters
Microchip's MCP16321/2/3 highly integrated, high-efficiency, fixed frequency, synchronous step-down DC-DC converters are available in a 16-pin QFN package which operates from input voltages up to 18 V (MCP16323) and 24 V (MCP16321/2). Integrated features include a high-side and low-side N-channel switch, fixed frequency peak current mode Control, internal compensation, peak current limit, VOUT overvoltage protection, and over-temperature protection. Minimal external components are necessary to develop a complete synchronous, step-down DC-DC converter power supply.
Features
- Up to 95% typical efficiency
- Input voltage range: 6.0 V to 24 V
- Output currents: 1 A (MCP16321), 2 A (MCP16322), 3 A (MCP16323)
- Fixed output voltages: 0.9 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, and 5 V, with 2% output voltage accuracy
- Adjustable-version output voltage range: 0.9 V to 5 V with 1.5% reference voltage accuracy
- Integrated N-channel high-side switch: 180 mΩ
- Integrated N-channel low-side switch: 120 mΩ
- 1 MHz fixed frequency peak current mode control
Applications
- PIC® / dsPIC® microcontroller bias supply
- 12 V, industrial-input DC-DC conversion
- Set-top boxes
- DSL cable modems
- Automotive
- Wall cube regulation
- SLA battery powered devices
- AC-DC digital control power source
- Power meters
- Consumer
- Medical and health care
- Distributed power supplies
MCP16321 Series
| Image | Manufacturer Part Number | Description | Available Quantity | Price | ||
|---|---|---|---|---|---|---|
 |  | MCP16321T-150E/NG | IC REG BUCK 1.5V 1A 16QFN | 0 - Immediate | $13.42 | View Details |
| | MCP16321T-180E/NG | IC REG BUCK 1.8V 1A 16QFN | 0 - Immediate | $23.79 | View Details |
| | MCP16321T-250E/NG | IC REG BUCK 2.5V 1A 16QFN | 0 - Immediate | $10.45 | View Details |
MCP16322 Series
| Image | Manufacturer Part Number | Description | Available Quantity | Price | ||
|---|---|---|---|---|---|---|
|  | AC160214 | EVAL BRD FOR MCP16322 PIC16F1947 | 0 - Immediate | See Page for Pricing | View Details |
|  | ADM00423 | EVAL BOARD FOR MCP16322 | 0 - Immediate | $172.55 | View Details |
|  | DM160214 | EVAL BRD FOR MCP16322 PIC16F1947 | 0 - Immediate | See Page for Pricing | View Details |
MCP16323 Series
| Image | Manufacturer Part Number | Description | Available Quantity | Price | ||
|---|---|---|---|---|---|---|
| | MCP16323T-150E/NG | IC REG BUCK 1.5V 3A 16QFN | 0 - Immediate | $8.33 | View Details |
| | MCP16323T-180E/NG | IC REG BUCK 1.8V 3A 16QFN | 0 - Immediate | $8.33 | View Details |
| | MCP16323T-250E/NG | IC REG BUCK 2.5V 3A 16QFN | 3140 - Immediate | $15.81 | View Details |
Published: 2013-01-09
Hong Kong, China