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ZXSC1010Q16, ZXSC300, ZXSC300E5

Table of contents:
Info of ZXSC1010Q16
Info of ZXSC300
Info of ZXSC300E5

ZXSC1010Q16, ZXSC300, ZXSC300E5 Selling Leads, Datasheet

MFG:ZETEX Package Cooled:2003 D/C:QSOP-16

ZXSC1010Q16, ZXSC300, ZXSC300E5 Datasheet download

Five Points

Part Number: ZXSC1010Q16

MFG: ZETEX

Package Cooled: 2003

D/C: QSOP-16

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ZXSC300 General Description

The ZXSC300 is a single or multi cell LED driver designed for applications where step-up voltage conversion from very low input voltages is required. These applications mainly operate from single 1.5V or 1.2V battery cells. The circuit generates constant current pulses that are ideal for driving single or multiple LED's over a wide range of operating voltages.

The ZXSC300 is a PFM controller IC that drives an external Zetex switching transistor with a very low saturation resistance. These transistors are the best switching devices available for this type of switching conversion enabling high efficiency conversion with input voltages below 1 volt. The drive output of the ZXSC controller generates a dynamic drive signal for the switching transistor.

The circuit can start up under full load and operates down to an input voltage of 0.8 volts. The solution configuration ensures optimum efficiency over a wide range of load currents, several circuit configurations are possible depending on battery life versus brightness considerations.

The ZXSC300 is offered in the SOT23-5 package which, when combined with a SOT23 switching transistor, generates a high efficiency small size circuit solution. The IC and discrete combination offers the ultimate cost vs performance solution for single cell LED driving applications.

ZXSC300 Maximum Ratings

Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to 10V
Maximum Voltage Other Pins . . . . . . . . . -0.3 to V_CC+0.3V
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . .450mW
Operating Temperature . . . . . . . . . . . . . . . . -40 to 85°C
Storage Temperature . . . . . . . . . . . . . . . . . -55 to 125°C

ZXSC300 Features

• 94% efficiency
• Minimum operating input voltage 0.8V
• Fixed output current
• Low saturation voltage switching transistor
• SOT23-5 package

ZXSC300 Connection Diagram

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