BM2596 Datasheet: Step Down Voltage Converter





BM2596 Step Down Voltage Converter Datasheet

Part Number BM2596
Description Step Down Voltage Converter
Manufacture Bookly
Total Page 10 Pages
PDF Download Download BM2596 Datasheet PDF

Features: BM2596 (MSP1250G) 150kHz 3A Step-down Vo ltage Converter General Description The BM2596(=MSP1250G) series of regulators are integrated circuits that provide a ll active functions for a step-down (bu ck) switching regulator, capable of dri ving a 3A load with excellent line and load regulation. These devices are avai l-able in fixed output voltages of 3.3V , 5V, 12V, and an adjust-able output ve rsion. Requiring a minimum number of ex ternal components, these regulators are simple to use and include internal fre quency compensation†, and a fixed-fre quency oscillator. The MSP1250G series operates at a switching frequency of 15 0 kHz thus allowing smaller sized filte r components than what would be needed with lower frequency switching regulato rs. Available in a standard 5-lead TO-2 20 package with 5 pins lead in one line options, and a 5-lead TO-263 surface m ount package. A standard series of indu ctors are available from several differ ent manufacturers optimized for use with the MSP1250G series. Thi.

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BM2596
(MSP1250G)
150kHz 3A
Step-down Voltage Converter
General Description
The BM2596(=MSP1250G) series of regulators are integrated circuits that provide all
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
www.DataSheet4U.com and include internal frequency compensation†, and a fixed-frequency oscillator.
The MSP1250G 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 5 pins lead in one line
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 MSP1250G series.
This feature greatly simplifies the design of switch-mode power supplies.
Other features include a guaranteed ±2% tolerance on output voltage under specified input
voltage and output load conditions, and ±10% on the oscillator frequency. External
shutdown is included, featuring typically 80 µA 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.
Features
3.3V, 5V, 12V, and adjustable output versions (ADJ)
Adjustable version output voltage range, 1.25V to 37V±2% 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 µA
G means Pb free in MSP1250G
Uses readily available standard inductors
Thermal shutdown and current limit protection
Applications
Simple high-efficiency step-down (buck) regulator , CAR DVD electronic
On-card switching regulators , LCD-TV , LCD-monitor , ADSL
Positive to negative converter
www.bookly.com
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