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MIC9130 Datasheet (PDF) - Micrel Semiconductor

MIC9130 Datasheet PDF - Micrel Semiconductor
Part # MIC9130
Download  MIC9130 Download

File Size   395.1 Kbytes
Page   19 Pages
Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor
Description High-Voltage, High-Speed Telecom DC-to-DC Controller

MIC9130 Datasheet (PDF)

Go To PDF Page Download Datasheet
MIC9130 Datasheet PDF - Micrel Semiconductor

Part # MIC9130
Download  MIC9130 Click to download

File Size   395.1 Kbytes
Page   19 Pages
Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor
Description High-Voltage, High-Speed Telecom DC-to-DC Controller

MIC9130 Datasheet (HTML) - Micrel Semiconductor

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MIC9130 Product details

General Description
The MIC9130 is a current-mode PWM controller that efficiently converts –48V telecom voltages to logic levels. The MIC9130 features a high voltage start-up circuit that allows the device to be connected to input voltages as high as 180V. The high input voltage capability protects the MIC9130 from line transients that are common in telecom systems. The start-up circuitry also saves valuable board space and simplifies designs by integrating several external components.

Features
• Input voltages up to 180V
• Internal oscillator capable of >2.5MHz operation
• Synchronisation capability to 4MHz
• Current sense delay of 34ns
• Minimum pulse width <25ns
• 90% efficiency
• 1.3mA quiescent current
• 1μA shutdown current
• Soft-start
• Resistor programmable current sense threshold
• Selectable soft-start retry
• 4Ω sink, 12Ω source output driver
• Programmable under-voltage lockout
• Constant-frequency PWM current-mode control
• 16-pin SOIC and 16-pin QSOP

Applications
• Telecom power supplies
• Line cards
• ISDN network terminators
• Micro- and pico-cell base stations
• Low power (< 30W) dc-dc converters




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