Microchip MCP1642B-ADJI/MS, Boost Converter, Step Up 800mA Adjustable, 1.15 MHz 8-Pin, MSOP
- RS Stock No.:
- 869-6104P
- Mfr. Part No.:
- MCP1642B-ADJI/MS
- Brand:
- Microchip
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Subtotal 25 units (supplied in a tube)*
£20.65
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£24.775
(inc. VAT)
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In Stock
- Plus 510 unit(s) shipping from 27 October 2025
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Units | Per unit |
|---|---|
| 25 - 95 | £0.826 |
| 100 + | £0.806 |
*price indicative
- RS Stock No.:
- 869-6104P
- Mfr. Part No.:
- MCP1642B-ADJI/MS
- Brand:
- Microchip
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Microchip | |
| 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 | |
| Length | 3mm | |
| Minimum Input Voltage | 0.65 V | |
| Minimum Output Voltage | 1.8 V | |
| Minimum Operating Temperature | -40 °C | |
Select all | ||
|---|---|---|
Brand Microchip | ||
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 | ||
Length 3mm | ||
Minimum Input Voltage 0.65 V | ||
Minimum Output Voltage 1.8 V | ||
Minimum Operating Temperature -40 °C | ||
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