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PDF STD2596 Data sheet ( Hoja de datos )
| Número de pieza | STD2596 | |
| Descripción | 3A PWM Buck DC/DC Converter | |
| Fabricantes | Semtron | |
| Logotipo |  |
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STD2596
150KHz, 3A PWM Buck DC/DC Converter
■DESCRIPTION
■FEATURE
The STD2596 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
5V and adjustable output version.
The STD2596 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 ±3% tolerance
on output voltage under specified input voltage and
output load conditions, and ±15% on the oscillator
frequency. External shutdown is included, featuring
typically 100uA standby current.
STD2596-XXD-TRG ROHS Compliant This is Halogen
Free
5V and adjustable output versions
Adjustable version output voltage range 1.23V
to 36V
Input voltage range up to 38V
Guaranteed 3A output current
150KHz fixed frequency internal oscillator
Built-in thermal shutdown and current limit
protection
■APPLICATIONS
Fixed voltage power supply for LCD monitor
and LCD TV
On-Card switching regulation
Simple high efficiency Step-down regulator
■PIN CONFIGURATION
Metal Tab
GND
■PART NUMBER INFORMATION
STD 2596- 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
50 : 5.0V, ADJ : ADJ
d : Package code.
e : Handling code.
f : Green produce code.
STD2596 Rev.2..0
Copyright © Semtron Microtech Corp.
1
www.semtron-micro.com
1 page  
STD2596
■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
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 < 38V, ISWITCH = 0
20
16 ON
12
8
4 OFF
0
-50
-25 0 25 50 75
Junction Temperature
100 125
(°C)
Shutdown Quiescent Current
160
VEN = 5V
120 Tj=25°C
80
40
0
0
Tj=125°C
10 20 30
Supply Voltage (V)
40
STD2596 Rev.2..0
Copyright © Semtron Microtech Corp.
5
www.semtron-micro.com
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet STD2596.PDF ] | |
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