LM2596T-5 查看數據表（PDF） - HTC Korea
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LM2596T-5 Datasheet PDF : 8 Pages
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3.0A, 150kHz, Step-Down Switching Regulator
LM2596
OPERATING RATINGS (Operating Ratings indicate conditions for which the device is intended to be functional,
but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical
Characteristics.)
Rating
Symbol
Value
Unit
Operating Junction Temperature Range
TJ
-40 to +125
℃
Supply Voltage
Vin
40
V
ELECTRICAL CHARACTERISTICS / SYSTEM PARAMETERS ([Note 1] Test Circuit Figure 2)
(Unless otherwise specified, Vin = 12V for the 3.3V, 5.0V, and Adjustable version, Vin = 25V for the 12V versio
ILoad = 500 mA. For typical values TJ = 25°C, for min/max values TJ is the operating junction temperature
range that applies [Note 2], unless otherwise noted.)
Characteristics
LM2596-3.3V ([Note 1] Test Circuit Figure 2)
Output Voltage (Vin = 12V, ILOAD=0.5A, TJ=25℃)
Output Voltage (6.0V≤Vin≤40V, 0.5A≤ILOAD≤3.0A
TJ=25℃
TJ= -40℃ ~ +125℃
Efficiency (Vin=12V, ILOAD=3.0A)
Symbol Min
TYP
Max Unit
Vout 3.234 3.3 3.366 V
Vout
3.168 3.3 3.432 V
3.135 - 3.465
η
-
73
-
%
LM2596-5.0V ([Note 1] Test Circuit Figure 2)
Output Voltage (Vin = 12V, ILOAD=0.5A, TJ=25℃)
Output Voltage (8.0V≤Vin≤40V, 0.5A≤ILOAD≤3.0A
TJ=25℃
TJ= -40℃ ~ +125℃
Efficiency (Vin=12V, ILOAD=3.0A)
Vout 4.9 5.0
Vout
4.8 5.0
4.75
-
η
-
80
5.1 V
5.2 V
5.25
-
%
LM2596-12V ([Note 1] Test Circuit Figure 2)
Output Voltage (Vin = 25V, ILOAD=0.5A, TJ=25℃)
Output Voltage (15V≤Vin≤40V, 0.5A≤ILOAD≤3.0A
TJ=25℃
TJ= -40℃ ~ +125℃
Efficiency (Vin=12V, ILOAD=3.0A)
Vout 11.76 12 12.24 V
Vout
11.52 12 12.48 V
11.4
-
12.6
η
-
90
-
%
LM2596-ADJ ([Note 1] Test Circuit Figure 2)
Feedback Voltage (Vin=12V, ILOAD=0.5A, TJ=25℃)
Vout 1.217 1.23 1.243 V
Feedback Voltage(8.0V≤Vin≤40V, 0.5A≤ILOAD≤3.0A, Vout=5.0V) Vout
TJ=25℃
1.193 1.23 1.267 V
TJ= -40℃ ~ +125℃
1.18
-
1.28
Efficiency (Vin=12V, ILOAD=3.0A, Vout=5.0V)
η
-
73
-
%
−3−
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