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PDF S5ULM2596 Data sheet ( Hoja de datos )
| Número de pieza | S5ULM2596 | |
| Descripción | Simple Switcher Power Converter 150KHz 3A Step-Down Voltage Regulator | |
| Fabricantes | SeCoS | |
| Logotipo |  |
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Elektronische Bauelemente
S5ULM2596
Simple Switcher Power Converter
150KHz 3A Step-Down Voltage Regulator
Description
The S5ULM2596 series of regulators are monolithic integrated
circuits that provide all active functions for a step-down (buck)
switching regulator, capable of driving 3A load with excellent line
and load regulation. These devices are available in fixed output
voltage of 3.3V,5V,12V and an adjustable output version.Requiring
a min. rumber of external components, these regulators are simple
to use and include internal frequency components and a fixed-
frequency oscillator. The S5ULM2596 series operates at a switching
frequency of 150KHz thus allowing smaller sized filter components
than what would be needed with lower frequency switching requlators.
Available in a standard 5-lead TO-263 package with several different
lead bend options. A standard series if inductors are available from
several differnet manufactures optimized for use with the S5ULM2596
series.The feature greatly simplifies the design of switching-mode
power supplies. Other feature include a guaranteed ± 4% to tolerance
on output voltage within specified input voltages and output load
condition, and ±15% on the oscillator frequency. External shutdown
is included, featuring 80uA(Typ.) standby current. The output switch
includes cycle-by-cycle current limiting, as well as thermal shutdown
for full protection under fault condition.
Features
* High Efficiency
* Input Voltage Range Up To 40V
* 150KHz Fixed Frequency Oscillator
* 3.3V,5V,12V and Adjustable Output Versions
* Uses Readily Available Standard Inductors
* TTL Shutdown Capability, Low Power Standby Mode
* Thermal Shutdown And Current Limit Protection
* Guaranteed 3A Output Current
* Efficient Per-regulator For Linear Regulators
* Requires Only 4 Extermal Components
* Adjustable Version Output Voltage Range,
1.2V to 37V ±4% Max. Over Line And Load Conditions
Applications
* Positive To Negative Converter
* Simple High-Effciency Step-Down (Buck) Regulator
*
REF.
A
b
L4
c
L1
E
Millimeter
Min. Max.
REF.
4.40 4.80 c2
0.66 0.91 L2
0.00 0.30 B D
0.36 0.5
e
2.29 2.79 L
9.80 10.4
Millimeter
Min. Max.
1.25 1.45
1.27 REF.
8.6 9.0
1.70 REF.
14.6 15.8
0˚ 8˚
http://www.SeCoSGmbH.com/
01-Jun-2002 Rev. A
Any changing of specification will not be informed individual
Page 1 of 8
1 page  
www.DataSheet4U.com
Elektronische Bauelemente
S5ULM2596
Simple Switcher Power Converter
150KHz 3A Step-Down Voltage Regulator
Typical Performance Characteristics (circuit of Figure 2)
Normalized Output Voltage
Line Regulator
Efficiency
Switch Saturation Voltage
Switch Current Limit
http://www.SeCoSGmbH.com/
01-Jun-2002 Rev. A
Dropout Voltage
Any changing of specification will not be informed individual
Page 5 of 8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet S5ULM2596.PDF ] | |
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