LM2596R-3.3_Datasheet

3.0A, 150kHz, Step-Down Switching Regulator LM2596
Jan. 2015 - Rev. 1.4.2 - 3 - HTC
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, see the
Electrical Characteristics.)
Rating
Symbol
Value.
Unit
Operating Junction Temperature Range
T
J
-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 version. I
LOAD
= 500 mA. For typical
values T
J
= 25°C, for min/max values T
J
is the operating junction temperature range that applies [Note 2], unless otherwise noted.)
Characteristics
Symbol
Min
TYP
Max
Unit
LM2596-3.3V ([Note 1] Test Circuit Figure 2)
Output Voltage (Vin=12V, I
LOAD
=0.5A, T
J
=25℃)
Vout
3.234
3.3
3.366
V
Output Voltage (6.0V≤Vin≤40V, 0.5A≤I
LOAD
≤3.0A
Vout
V
T
J
=25℃
3.168
3.3
3.432
T
J
=-40℃ ~ +125℃
3.135
-
3.465
Efficiency (Vin=12V, I
LOAD
=3.0A)
η
-
73
-
%
LM2596-5.0V ([Note 1] Test Circuit Figure 2)
Output Voltage (Vin=12V, I
LOAD
=0.5A, T
J
=25℃)
Vout
4.9
5.0
5.1
V
Output Voltage (8.0V≤Vin≤40V, 0.5A≤I
LOAD
≤3.0A
Vout
V
T
J
=25℃
4.8
5.0
5.2
T
J
=-40℃ ~ +125℃
4.75
-
5.25
Efficiency (Vin=12V, I
LOAD
=3.0A)
η
-
80
-
%
LM2596-12V ([Note 1] Test Circuit Figure 2)
Output Voltage (Vin=25V, I
LOAD
=0.5A, T
J
=25℃)
Vout
11.76
12
12.24
V
Output Voltage (15V≤Vin≤40V, 0.5A≤I
LOAD
≤3.0A
Vout
V
T
J
=25℃
11.52
12
12.48
T
J
= -40℃ ~ +125℃
11.4
-
12.6
Efficiency (Vin=12V, I
LOAD
=3.0A)
η
-
90
-
%
LM2596-ADJ ([Note 1] Test Circuit Figure 2)
Feedback Voltage (Vin=12V, I
LOAD
=0.5A, T
J
=25℃)
Vout
1.217
1.23
1.243
V
Feedback Voltage(8.0V≤Vin≤40V, 0.5A≤I
LOAD
≤3.0A, Vout=5.0V)
Vout
V
T
J
=25℃
1.193
1.23
1.267
T
J
= -40℃ ~ +125℃
1.18
-
1.28
Efficiency (Vin=12V, I
LOAD
=3.0A, Vout=5.0V)
η
-
73
-
%