MSP1250, MSP1250-3.3, MSP1250-3.3S Selling Leads, Datasheet
MFG:NEWSTOCK Package Cooled:96000 D/C:06+
MSP1250, MSP1250-3.3, MSP1250-3.3S Datasheet download
Part Number: MSP1250
MFG: NEWSTOCK
Package Cooled: 96000
D/C: 06+
MSP1250, MSP1250-3.3, MSP1250-3.3S
- Table of contents:
Info of MSP1250
Info of MSP1250-3.3
Info of MSP1250-3.3S
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About MSP1250
PDF/DataSheet Download
Datasheet: MSP1250
File Size: 218949 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
About MSP01
PDF/DataSheet Download
Datasheet: MSP01
File Size: 33498 KB
Manufacturer: VISAY [Vishay Siliconix]
Download : Click here to Download
About MSP01
PDF/DataSheet Download
Datasheet: MSP01
File Size: 33498 KB
Manufacturer: VISAY [Vishay Siliconix]
Download : Click here to Download
MSP1250 General Description
The MSP1250 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 3A load with excellent line and load regulation. These devices are avail-able in fixed output voltages of 3.3V, 5V, 12V, and an adjust-able output version. Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation†, and a fixed-frequency oscillator.
The MSP1250 series operates at a switching frequency of 150 kHz thus allowing smaller sized filter components than what would be needed with lower frequency switching regulators. Available in a standard 5-lead TO-220 package with several different lead bend options, and a 5-lead TO-263 surface mount package. A standard series of inductors are available from several different manufacturers optimized for use with the MSP1250 series. This feature greatly simplifies the design of switch-mode power supplies.
Other features include a guaranteed ±4% tolerance on output voltage under specified input voltage and output load conditions, and ±15% on the oscillator frequency. External shutdown is included, featuring typically 80 A standby current. Self-protection features include a two stage frequency reducing current limit for the output switch and an over tem perature shutdown for complete protection under fault conditions.
MSP1250 Features
` 3.3V, 5V, 12V, and adjustable output versions
` Adjustable version output voltage range, 1.2V to 37V±4% max over line and load conditions
` Available in TO-220 and TO-263 packages
` Guaranteed 3A output load current
` Input voltage range up to 40V
` Requires only 4 external components
` Excellent line and load regulation specifications
` 150 kHz fixed frequency internal oscillator
` TTL shutdown capability
` Low power standby mode, IQ typically 80 A
` High efficiency
` Uses readily available standard inductors
` Thermal shutdown and current limit protection
` Adjustable version output voltage range, 1.2V to 37V±4% max over line and load conditions
` Available in TO-220 and TO-263 packages
` Guaranteed 3A output load current
` Input voltage range up to 40V
` Requires only 4 external components
` Excellent line and load regulation specifications
` 150 kHz fixed frequency internal oscillator
` TTL shutdown capability
` Low power standby mode, IQ typically 80 A
` High efficiency
` Uses readily available standard inductors
` Thermal shutdown and current limit protection
MSP1250 Typical Application
· Simple high-efficiency step-down (buck) regulator
· On-card switching regulators
· Positive to negative converter
· On-card switching regulators
· Positive to negative converter
MSP1250 Connection Diagram
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