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Part Number: LMS5258
Description: The LMS5258 is a µCap, precise CMOS voltage regulator with power good output. It provides up to ...
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LMS5258
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DataSheet
General Description
LMS5258 General Description
The LMS5258 is a µCap, precise CMOS voltage regulator with power good output. It provides up to 150mA and consumes a typical of 10nA in shutdown mode. The LMS5258 output stage is designed with a push pull output for faster transient response.
The LMS5258 is optimized to work with low value, low cost ceramic capacitors. The output typically require only 1µF of output capacitance for stability.
The enable pin can be tied to VIN for easy device layout.
The LMS5258 is designed for portable, battery powered equipment applications with small space requirements.
The LMS5258 is available in a 5-pin SOT-23 package. Performance is specified for the −40°C to +125°C temperature range and is available in a fixed 1.2V. For other output voltage options, please contact National Semiconductor.
LMS5258 Maximum Ratings
ESD Tolerance (Note 2)
Human Body Model ..........................................................2000V
Junction Temperature .......................................................150
VIN, VOUT, VEN .......................................................−0.3 TO 6.5V
Soldering Information
Infrared or Convection (20 sec) ........................................235
Wave Soldering (10 sec) ...............................260 (lead temp)
Human Body Model ..........................................................2000V
Junction Temperature .......................................................150
VIN, VOUT, VEN .......................................................−0.3 TO 6.5V
Soldering Information
Infrared or Convection (20 sec) ........................................235
Wave Soldering (10 sec) ...............................260 (lead temp)
LMS5258 Features
·Power good indicator
·Stability with low ESR capacitors
·Low ground current: 120µA
·150mA output current
·"Zero" shutdown mode current
·Fast transient response
·Auto Discharge
·Thermal shutdown
·Current limiting
·TTL-Logic-controlled enable input
·Pin-to-pin replacement for Mic™ 5258
·Stability with low ESR capacitors
·Low ground current: 120µA
·150mA output current
·"Zero" shutdown mode current
·Fast transient response
·Auto Discharge
·Thermal shutdown
·Current limiting
·TTL-Logic-controlled enable input
·Pin-to-pin replacement for Mic™ 5258
LMS5258 Typical Application
·Processor power-up sequencing
·Laptop, notebook and palm top computer
·PCMCIA VCC and VPP regulation switching
·Laptop, notebook and palm top computer
·PCMCIA VCC and VPP regulation switching
LMS5258 Connection Diagram
LMS5258
PDF/DataSheet Download
- Datasheet: LMS5258
- File Size: 527585 KB
- Manufacturer: NSC [National Semiconductor]
- Click here to Download
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