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PDF SMC2596A Data sheet ( Hoja de datos )
| Número de pieza | SMC2596A | |
| Descripción | 3A PWM Buck DC/DC Converter | |
| Fabricantes | Semtron | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SMC2596A (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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SMC2596A
■DESCRIPTION
150KHz, 3A PWM Buck DC/DC Converter
■FEATURE
The SMC2596A series of regulators are
monolithic integrated circuits that provide all the
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 and 5V an
adjustable Coutput version.
The SMC2596A operates at a switching
frequency of 150KHz thus allowing smaller sized
filter components than what would be needed with
lower frequency switching regulators.
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 70μA(Typ.) standby
current.
3.3V, 5V, and adjustable output versions
Adjustable version output voltage range 1.23V to
37V
Input voltage range up to 40V
Guaranteed 3A output current
150KHz fixed frequency internal oscillator
Built-in thermal shutdown and current limit
protection
TTL shutdown capability, low power standby mode
Uses readfily available standard inductors
■APPLICATIONS
Positive to negative converter
On-Card switching regulation
Simple high efficiency Step-down regulator
SMC2596A-XXD-TRG ROHS Compliant This is
Halogen Free
■PIN CONFIGURATION
Metal Tab
GND
■PART NUMBER INFORMATION
SMC 2596A- XX D TR G
a b cd ef
FBEN
GND
VOUT
VIN
TO263-5L
Top View
a : Company name.
b : Product Serial number.
c : Voltage Code.
XX
33 : 3.3V, 50 : 5.0V, ADJ : ADJ
d : Package code.
e : Handling code.
f : Green produce code.
SMC2596A Rev.1.1
Copyright © Semtron Microtech Corp.
1
www.semtron-micro.com
1 page  
SMC2596A
■TYPICAL CHARACTERISTICS (25℃ Unless Note)
Switch Stauration Voltage
1.6
1.4 Vin=12V
1.2 Tj=-40°C
Switch Current Limit
5.6
Vin=12V
5.2 Vout=5V
1
0.8
0.6 Tj=25°C
Tj=125°C
4.8
4.4
0.4
0 0.5 1 1.5 2 2.5 3 3.5 4
Switch Current (A)
4
-50 0 50 100
Junction Temperature(°C)
Dropout Voltage
1.6 L=33μH
1.4
RIND=0.04
V OUT =V REG=50mV
1.2
ILOAD=3A
1
0.8 ILOAD=1A
0.6
-50 -25 0 25 50 75 100 125
Tj-Junction Temperature (°C)
Minimum Operating Supply Voltage
5 VOUT = 1.23V, ILOAD = 120mA
4
3
2
1
0
-50
-25 0 25 50 75 100 125
Junction Temperature(°C)
Operating Quiescent Current
24 4.5V < VIN < 40V, ISWITCH =
20 0
16 ON
12
8
4 OFF
0
-50
-25 0 25 50 75 100 125
Junction Temperature (°C)
Shutdown Quiescent Current
160
VON /OFF = 5V
120 Tj=25°C
80
40
0
0
Tj=125°C
10 20 30
Supply Voltage (V)
40
SMC2596A Rev.1.1
Copyright © Semtron Microtech Corp.
5
www.semtron-micro.com
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet SMC2596A.PDF ] | |
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