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TC1142 Scheda tecnica (PDF) - Microchip Technology

TC1142 Datasheet PDF - Microchip Technology
Il numero della parte TC1142
Scarica  TC1142 Scarica

Grandezza file   419.9 Kbytes
Page   12 Pages
Produttore elettronici  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
Logo MICROCHIP - Microchip Technology
Spiegazioni elettronici Inductorless -2x Boost/Buck Regulator

TC1142 Datasheet (PDF)

Go To PDF Page Scarica Scheda tecnica
TC1142 Datasheet PDF - Microchip Technology

Il numero della parte TC1142
Scarica  TC1142 Click to download

Grandezza file   419.9 Kbytes
Page   12 Pages
Produttore elettronici  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
Logo MICROCHIP - Microchip Technology
Spiegazioni elettronici Inductorless -2x Boost/Buck Regulator

TC1142 Scheda tecnica (HTML) - Microchip Technology

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TC1142 Dettagli del prodotto

General Description
The TC1142 generates a regulated negative voltage from -3V to -5V at 20mA from an input of 2.5V to 5.5V, using only three external capacitors. Other boost/buck switching regulators must use an inductor, which is larger and radiates EMI. An internal voltage comparator inhibits the charge pump when VOUT is more negative than the regulated value (per the ordering option). The values of flying capacitors C1 and C2 are chosen to be less than COUT in order to reduce the ripple generated from regulating VOUT in this manner. The TC1142 also can be used as a -1x buck regulator by omitting C2, and connecting the C2 pin to VOUT.

Features
• Input Range 2.5V to 5.5V
• Regulated Output Options from -3.0 to -5.0V
• Output Current 20mA (max)
• 200kHz Internal Oscillator Frequency
• External Synchronizing Clock Input
• Logic Level Shutdown
    - 1µA (max) Supply Current
• Available in 8-Pin MSOP Package

Applications
• Cellular Phones
• Battery Powered/Portable Equipment




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A proposito di Microchip Technology


Microchip Technology è una società di semiconduttori americani fondata nel 1989.
La società fornisce una vasta gamma di microcontrollori, analogici, memoria e prodotti di sicurezza per varie applicazioni nei mercati automobilistici, industriali e di consumo.
Il microchip è uno dei più grandi fornitori di microcontrollori al mondo ed è noto per la sua esperienza nel design a bassa potenza e la sua attenzione alle tecnologie di risparmio energetico.
La società fornisce inoltre strumenti di sviluppo e software per aiutare i clienti a progettare e prototipare i loro prodotti.
Microchip ha operazioni in oltre 70 paesi e i suoi prodotti vengono utilizzati in una vasta gamma di applicazioni.

*Queste informazioni sono solo a scopo informativo generale, non saremo responsabili per eventuali perdite o danni causati dalle informazioni di cui sopra.




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