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LM2576S-12/TR

可输出电流:3A 开关工作频率:52kHz 输出类型:Fixed 输出电压的路数:1 功能类型:Step-Down 输出配置:Positive

器件类别:电源/电源管理    DC-DC芯片   

厂商名称:华冠(HGSEMI)

厂商官网:http://www.hgsemi.net/

下载文档
器件参数
参数名称
属性值
输出电压(最小值/固定)
12V
可输出电流
3A
开关工作频率
52kHz
输出类型
Fixed
输出电压的路数
1
最小输入电压
15V
最大输入电压
40V
电源拓扑结构
Buck
同步整流与否
No
功能类型
Step-Down
输出配置
Positive
文档预览
LM2576/LM2576HV
LM2576/LM2576HV
3A
LM2576
3.3V
LM2576
LM2576
5V 12V
buck
15V
3A
±4%
50µA
±10%
3.3V
5V 12V
HV
15V
57V
40V
HV
±4%
Buck
1.23~37V
3A
4
52kHz
TTL
Buck-Boost
60V
National Semi.
On Semi. LM2576
TO-263 (S)
5
TO-220 (T)
5
LM2576T-XX
LM2576HVT-XX
LM2576S-XX
LM2576HVS-XX
HTTP://WWW.HGSEMI.NET
1
2014 NOV
LM2576/LM2576HV
1
3.3V R2 = 1.7k
5V, R2 = 3.1k
12V, R2 = 8.84k
15V, R2 = 11.3k
R1 =
, R2 = 0Ω
HTTP://WWW.HGSEMI.NET
2
2014 NOV
LM2576/LM2576HV
(
LM2576
LM2576HV
/
(
)
1)
-65°C
40V
60V
+V
IN
-1V
+150°C
150°C
2kV
260°C
-0.3V
V
(C = 100 pF, R = 1.5 k )
(
10
)
LM2576/LM2576HV
-40°C
T
J
+125°C
LM2576
LM2576HV
40V
60V
LM2576-3.3, LM2576HV-3.3
T
J
= 25°C,
.
LM2576-3.3
LM2576HV-3.3
(
(
(
V
OUT
3)
2
V
IN
= 12V, I
2
= 0.5A
3.3
3.234
3.366
I
3A
3.3
3.168/3.135
3.432/3.465
3.3
3.168/3.135
3.450/3.482
75
V(
V(
%
V(
V(
V
)
)
V(
V(
V
)
)
V
)
)
2)
)
V
OUT
LM2576
6V V
IN
40V, 0.5A
2
6V V
IN
60V, 0.5A
2
V
IN
= 12V, I = 3A
V
OUT
I
3A
LM2576HV
LM2576-5.0, LM2576HV-5.0
T
J
= 25°C,
.
LM2576-5.0
LM2576HV-5.0
(
(
(
V
OUT
3)
2
V
IN
= 12V, I
2
= 0.5A
5.0
4.900
5.100
I
3A
5.0
4.800/4.750
5.200/5.250
5.0
4.800/4.750
5.225/5.275
77
V(
V(
%
V(
V(
V
)
)
V(
V(
V
)
)
V
)
)
2)
)
V
OUT
LM2576
8V V
IN
40V, 0.5A
2
8V V
IN
60V, 0.5A
2
V
IN
= 12V, I = 3A
V
OUT
I
3A
LM2576HV
HTTP://WWW.HGSEMI.NET
3
2014 NOV
LM2576/LM2576HV
LM2576-12, LM2576HV-12
T
J
= 25°C,
LM2576-12
LM2576HV-12
(
(
(
V
OUT
3)
2
V
IN
= 25V, I
2
= 0.5A
12
11.76
12.24
I
3A
12
11.52/11.40
12.48/12.60
12
11.52/11.40
12.54/12.66
88
V(
V(
%
V(
V(
V
)
)
V(
V(
V
)
)
V
)
)
2)
)
V
OUT
LM2576
15V V
IN
40V, 0.5A
2
15V V
IN
60V, 0.5A
2
V
IN
= 15V, I
= 3A
V
OUT
I
3A
LM2576HV
LM2576-15, LM2576HV-15
T
J
= 25°C,
.
LM2576-15
LM2576HV-15
(
(
(
V
OUT
3)
2
V
IN
= 25V, I
2
= 0.5A
15
14.70
15.30
I
3A
15
14.40/14.25
15.60/15.75
15
14.40/14.25
15.68/15.83
88
V(
V(
%
V(
V(
V
)
)
V(
V(
V
)
)
V
)
)
2)
))
V
OUT
LM2576
18V V
IN
40V, 0.5A
2
18V V
IN
60V, 0.5A
2
V
IN
= 18V, I
= 3A
V
OUT
I
3A
LM2576HV
LM2576-ADJ, LM2576HV-ADJ
T
J
= 25°C,
.
LM2576-ADJ
LM2576HV-ADJ
(
(
(
V
OUT
3)
2
V
IN
= 12V, I = 0.5A
V
OUT
= 5V
2
3A
8V V
IN
40V, 0.5A I
V
OUT
= 5V
2
3A
8V V
IN
60V, 0.5A I
V
OUT
= 5V
2
V
IN
= 12V, I = 3A, V
OUT
= 5V
1.230
1.217
1.243
1.230
1.193/1.180
1.267/1.280
1.230
1.193/1.180
1.273/1.286
77
V(
V(
%
V(
V(
V
)
)
V(
V(
V
)
)
V
)
)
2)
)
V
OUT
LM2576
V
OUT
LM2576HV
HTTP://WWW.HGSEMI.NET
4
2014 NOV
LM2576/LM2576HV
T
J
= 25°C,
V
IN
= 30V
I
.
= 500 mA.
3.3V, 5V
V
IN
= 12V
12V
V
IN
= 25V,
15V
LM2576-XX
LM2576HV-XX
(
(
I
b
f
O
V
SAT
DC
I
CL
(
)
V
OUT
= 5V (
(
11)
4)
1.4
1.8/2.0
98
93
5.8
(
(
I
L
I
Q
I
STBY
JA
JA
JC
JA
)
2)
nA
kHz
kHz(
kHz(
V
V(
%
%(
A
A(
A(
mA(
mA
mA(
mA
mA(
µA
µA(
°C/W
)
50
52
100/500
47/42
58/63
)
)
)
)
)
)
)
)
)
)
I
OUT
= 3A (
(
5)
4, 11)
6, 7):
4.2/3.5
6.9/7.5
= 0V
= -1V
= -1V
2
7.5
30
5
10
= 5V (
)
(
(
(
8)
9)
10)
50
200
65
45
2
50
(
/
T
T
T
S
2
/
6)
,
,
,
,
/
V
IH
V
IL
I
IH
I
IL
1:
2:
3:
4:
5:
6:
7:
V
IN
= 40V
8:
5 TO-220
9:
5 TO-220
10:
TO-263
37°C/W
JA
11:
2%
V
OUT
= 0V
V
OUT
=
1.4
1.2
= 5V ( )
= 0V ( )
12
2.2/2.4
1.0/0.8
30
V(
V(
)
)
/
/
/
0
10
µA
µA(
)
µA
µA(
)
LM2576/ LM2576HV
2
0V
3.3V
60V
1/2
1/4
PCB
1.6
JA
5.0V
+12V
12V
15V
+25V
PCB
4
0.5
JA
PCB
50°C/W 1
5%
32°C/W
40%
11kHz
HTTP://WWW.HGSEMI.NET
5
2014 NOV
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