ML4952CT, ML4961, ML4961CS Selling Leads, Datasheet
MFG:MICROLINEAR Package Cooled:MSSOP D/C:MICROLIN
ML4952CT, ML4961, ML4961CS Datasheet download
Part Number: ML4952CT
MFG: MICROLINEAR
Package Cooled: MSSOP
D/C: MICROLIN
ML4952CT, ML4961, ML4961CS
- Table of contents:
Info of ML4952CT
Info of ML4961
Info of ML4961CS
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About ML40123N
PDF/DataSheet Download
Datasheet: ML40123N
File Size: 108913 KB
Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]
Download : Click here to Download
About ML4961CS
PDF/DataSheet Download
Datasheet: ML4961CS
File Size: 211803 KB
Manufacturer: MICRO-LINEAR [Micro Linear Corporation]
Download : Click here to Download
About ML4961CS
PDF/DataSheet Download
Datasheet: ML4961CS
File Size: 211803 KB
Manufacturer: MICRO-LINEAR [Micro Linear Corporation]
Download : Click here to Download
ML4961 General Description
The ML4961 is a boost regulator designed for DC to DC conversion in 1 to 3 cell battery powered systems. The combination of BiCMOS process technology, internal synchronous rectification, variable frequency operation, and low supply current make the ML4961 ideal for 1 cell applications. The ML4961 is capable of start-up with input voltages as low as 1V, and the output voltage can be set anywhere between 2.5V and 6V by an external resistor divider connected to the SENSE pin.
An integrated synchronous rectifier eliminates the need for an external Schottky diode and provides a lower forward voltage drop, resulting in higher conversion efficiency. In addition, low quiescent battery current and variable frequency operation result in high efficiency even at light loads. The ML4961 requires a minimum number of external components to build a very small adjustable regulator circuit capable of achieving conversion efficiencies in excess of 90%.
The circuit also contains a RESET output which goes low when the IC can no longer function due to low input voltage, or when the DETECT input drops below 200mV.
ML4961 Maximum Ratings
Voltage on any pin ....................................................... 7V
Peak Switch Current, I(PEAK) ....................................... 2A
Average Switch Current, I(AVG) ............................. 500mA
Junction Temperature ............................................ 150°C
Storage Temperature Range ................ 65°C to 150°C
Lead Temperature (Soldering 10 sec.) ..... ............. 260°C
Thermal Resistance (qJA) .................................... 160°C/W
Peak Switch Current, I(PEAK) ....................................... 2A
Average Switch Current, I(AVG) ............................. 500mA
Junction Temperature ............................................ 150°C
Storage Temperature Range ................ 65°C to 150°C
Lead Temperature (Soldering 10 sec.) ..... ............. 260°C
Thermal Resistance (qJA) .................................... 160°C/W
ML4961 Features
* Guaranteed full load start-up and operation at 1V input
* Pulse Frequency Modulation and Internal Synchronous Rectification for high efficiency
* Minimum external components
* Low ON resistance internal switching FETs
* Micropower operation
* Adjustable output voltage (2.5V to 6V)
* Pulse Frequency Modulation and Internal Synchronous Rectification for high efficiency
* Minimum external components
* Low ON resistance internal switching FETs
* Micropower operation
* Adjustable output voltage (2.5V to 6V)
ML4961 Connection Diagram
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