Microchip MCP1623T-I/CHY, 5-Channel Step-Up, Boost Regulator, 50 mA, 5.5 V 630 kHz, SOT-23 6-Pin

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8,76 €

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10,60 €

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20 +0,438 €8,76 €

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N° de stock RS:
823-7871
Référence fabricant:
MCP1623T-I/CHY
Fabricant:
Microchip
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Marque

Microchip

Regulator Type

Step-Up

Product Type

Boost Regulator

Number of Outputs

5

Output Voltage

5.5 V

Switching Frequency

630kHz

Line Regulation

0.01 %/V

Mount Type

Surface Mount

Polarity

Positive

Package Type

SOT-23

Quiescent Current

0.22mA

Output Current

50mA

Pin Count

6

Output Type

Adjustable

Standards/Approvals

RoHS

Width

1.8 mm

Length

3.1mm

Series

MCP1623

Height

1.3mm

Maximum Operating Temperature

125°C

Maximum Input Voltage

5.5V

Minimum Operating Temperature

-40°C

Minimum Input Voltage

0.65V

Automotive Standard

No

Pays d'origine :
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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