Microchip MCP1623T-I/CHY, Boost Regulator 50mA Adjustable, 630 kHz 6-Pin, SOT-23

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RS-artikelnummer:
165-2234
Tillv. art.nr:
MCP1623T-I/CHY
Tillverkare / varumärke:
Microchip
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Brand

Microchip

Maximum Output Current

50mA

Number of Outputs

1

Maximum Input Voltage

5.5 V

Line Regulation

0.01 %/V

Load Regulation

0.01 %/V

Mounting Type

Surface Mount

Package Type

SOT-23

Pin Count

6

Output Type

Adjustable

Maximum Switching Frequency

630 kHz

Efficiency

96%

Dimensions

3.1 x 1.8 x 1.3mm

Height

1.3mm

Maximum Output Voltage

5.5 V

Maximum Operating Temperature

+125 °C

Minimum Input Voltage

0.65 V

Minimum Output Voltage

2 V

Minimum Operating Temperature

-40 °C

Width

1.8mm

Length

3.1mm

COO (Country of Origin):
TH

MCP1623/1624 Synchronous Boost Converter


The Microchip MCP1623 and MCP1624 are Adjustable, Fixed Frequency, Synchronous Step-Up DC-DC Converters. Primarily they are designed to offer a compact and highly efficient power supply solution for PIC Microcontrollers in one-, two- and three-cell battery powered applications. The desired output voltage of the device is set by the application of a small external resistor divider.

The design allows the regulator to start up without high inrush current or output voltage overshoot from a low 0.65 V input. Combined is a low-resistance N-Channel Boost Switch and Synchronous P-Channel Switch to offer high efficiency. All compensation and protection circuitry is integrated into the device to minimise the required external components.

Also featured is a Load Disconnect mode that provides input to output isolation while disabled. This mode consumes less than 1 μA of input current.

Features


Up to 96% Typical Efficiency
425 mA Typical Peak Input Current Limit
Low Start Up Voltage: 0.65 V (typical) @ 3.3 V VOUT, 1 mA
Low Operating Input Voltage: 0.35 V (typical) @ 3.3 V VOUT, 1 mA
Adjustable Output Voltage Range: 2.0 V to 5.5 V
Automatic PFM/PWM Operation – MCP1624 model only
PWM-only Operation – MCP1623 model only
500 kHz PWM Frequency
Low Device Quiescent Current: 19 μA (typical, PFM mode)
Internal Synchronous Rectifier
Internal Compensation
Inrush Current Limiting and Internal Soft-Start
True Load Disconnect
Shutdown Current: < 1 μA
Low Noise, Anti-Ringing Control
Over-temperature Protection

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