Microchip MCP1642B-ADJI/MS, Boost Converter, Step Up 800mA Adjustable, 1.15 MHz 8-Pin, MSOP
- RS Stock No.:
- 869-6104
- Mfr. Part No.:
- MCP1642B-ADJI/MS
- Brand:
- Microchip
30 In stock - FREE next working day delivery available
20 available from Europe for delivery within 1 working day(s).
Added
Price Each (In a Pack of 5)
£1.06
(exc. VAT)
£1.27
(inc. VAT)
| Units | Per unit | Per Pack* |
| 5 - 20 | £1.06 | £5.30 |
| 25 - 95 | £1.034 | £5.17 |
| 100 + | £1.008 | £5.04 |
| *price indicative | ||
- RS Stock No.:
- 869-6104
- Mfr. Part No.:
- MCP1642B-ADJI/MS
- Brand:
- Microchip
Technical Reference
Legislation and Compliance
Product Details
MCP1642 Synchronous Boost Converter
The MCP1642 family of devices from Microchip are compact, high-efficiency, fixed-frequency, synchronous step-up DC-DC converters. These regulators are designed for applications powered by alkaline, NiCd, NiMH, Li-Ion or Li-Polymer batteries.
Features
Up to 96% Typical Efficiency
1.8A Typical Peak Input Current Limit
IOUT > 175 mA @ 1.2V VIN, 3.3V VOUT
IOUT > 600 mA @ 2.4V VIN, 3.3V VOUT
IOUT > 800 mA @ 3.3V VIN, 5.0V VOUT
IOUT > 1A @ VIN > 3.6V, 5.0V VOUT
Low Start-up Voltage: 0.65V
Minimum Operating Input Voltage: 0.35V
Maximum Input Voltage < VOUT < 5.5V
Adjustable Output Voltage Range: 1.8V to 5.5V
PWM Operation at 1 MHz
Shutdown Current (All States): < 1 μA
Internal Synchronous Rectifier
Internal Compensation
Inrush Current Limiting and Internal Soft-Start
True Load Disconnect Shutdown (MCP1642B)
Input-to-Output Bypass Option (MCP1642D)
Low Noise, Anti-Ringing Control
Over-temperature Protection
1.8A Typical Peak Input Current Limit
IOUT > 175 mA @ 1.2V VIN, 3.3V VOUT
IOUT > 600 mA @ 2.4V VIN, 3.3V VOUT
IOUT > 800 mA @ 3.3V VIN, 5.0V VOUT
IOUT > 1A @ VIN > 3.6V, 5.0V VOUT
Low Start-up Voltage: 0.65V
Minimum Operating Input Voltage: 0.35V
Maximum Input Voltage < VOUT < 5.5V
Adjustable Output Voltage Range: 1.8V to 5.5V
PWM Operation at 1 MHz
Shutdown Current (All States): < 1 μA
Internal Synchronous Rectifier
Internal Compensation
Inrush Current Limiting and Internal Soft-Start
True Load Disconnect Shutdown (MCP1642B)
Input-to-Output Bypass Option (MCP1642D)
Low Noise, Anti-Ringing Control
Over-temperature Protection
Specifications
Attribute | Value |
|---|---|
| Regulator Function | Step Up |
| Maximum Output Current | 800mA |
| Maximum Input Voltage | 5.5 V |
| Number of Outputs | 1 |
| Line Regulation | ±0.5 %/V |
| Load Regulation | ±1.5 % |
| Mounting Type | Surface Mount |
| Package Type | MSOP |
| Pin Count | 8 |
| Output Type | Adjustable |
| Maximum Switching Frequency | 1.15 MHz |
| Switching Regulator | Yes |
| Dimensions | 3 x 3 x 0.95mm |
| Maximum Output Voltage | 5.5 V |
| Height | 0.95mm |
| Maximum Operating Temperature | +85 °C |
| Width | 3mm |
| Minimum Operating Temperature | -40 °C |
| Minimum Output Voltage | 1.8 V |
| Length | 3mm |
| Minimum Input Voltage | 0.65 V |
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