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LM2576HVT-12 датащи(PDF) 1 Page - Tiger Electronic Co.,Ltd

номер детали LM2576HVT-12
подробное описание детали  regulators are monolithic integrated circuits that provide all the active functions for a step-down switching
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производитель  TGS [Tiger Electronic Co.,Ltd]
домашняя страница  http://www.tgselec.com
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LM2576 Series
Description
The LM2576 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 voltages of 3.3V,
5V, 12V, 15V, and an adjustable output versions. Requiring a minimum number of external components, these regulators are simple to
use and include internal frequency compensation and a fixed-frequency oscillator. The LM2576 series offers a
high-efficiency replacement for popular three-terminal linear regulators. It substantially reduces the size of the heat sink, and in some
cases no heat sink is required. A standard series of inductors optimized for use with the LM2576 are available from several different
manufacturers. This feature greatly simplifies the design of switch-mode power supplies. Other features include a guaranteed ± 4%
tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency. External
shutdown is included, featuring 50µA (typical) standby current. The output switch includes cycle-by-cycle current limiting, as well as
thermal shutdown for full protection under fault conditions.
Note:
Features
3.3V, 5V, 12V, 15V, and adjustable output versions
Adjustable version output voltage range
1.23V to 37V (57V for HV version) ± 4% max over line
and load conditions
Guaranteed 3A output current
Wide input voltage range, 40V up to 60V for HV
version
Requires only 4 external components
52 kHz fixed frequency oscillator
TTL shutdown capability, low power standby mode
High efficiency
Uses readily available standard inductors
Thermal shutdown and current limit protection
Applications
Simple high-efficiency step-down (buck) regulator
Efficient pre-regulator for linear regulators
On-card switching regulators
Positive to negative converter (Buck-Boost)
Typical application Figure 1.(Fixed Output Voltage Versions)
7V - 40V
(60V for HV)
UNREGULATED
+VIN
1
LM2576/
LM2576HV-
5.0
FEEDBACK
4
OUTPUT
2
L1
+5V
REGULATED
DC INPUT
+
3
GND
CIN
5 ON/OFF
100
H
D1
1N5822
+ COUT
1000
F
OUTPUT
3A
LOAD
1
TIGER ELECTRONICS CO.,LTD
TIGER ELECTRONIC CO.,LTD


Аналогичный номер детали - LM2576HVT-12

производительномер деталидатащиподробное описание детали
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Аналогичное описание - LM2576HVT-12

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