参数资料
型号: LM2575S-12T
元件分类: 稳压器
英文描述: 3.2 A SWITCHING REGULATOR, 62 kHz SWITCHING FREQ-MAX, PSSO5
封装: TO-263, 5 PIN
文件页数: 11/18页
文件大小: 449K
代理商: LM2575S-12T
1.0 & 3.0 AMP MINICONVERTER
SWITCHING REGULATORS
LM2575
LM2576
1998 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
April 7, 1998
2
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, V
IN = 12V for 3.3V, 5V and ADJ options; 25V for 12V; VOUT = 5V for ADJ, TJ = 25C.
V
IN rated = 40V; IO = 0.5 to 3A (LM2576), 0.2 to 1A (LM2575).
(CONTINUED NEXT PAGE)
Test Conditions
Test Limits
Parameter
Symbol
V
IN
I
O
T
J
(4)
Min
Typ
Max
Units
Output Voltage
V
O
0.5A
3.23
3.30
3.37
V
LM2576-3.3
8V to
O.T.
3.14
3.30
3.47
V
IN Rated
3.20
3.30
3.40
LM2576-5
V
O
0.5A
4.90
5.00
5.10
V
8V to
O.T.
4.76
5.00
5.25
V
IN Rated
4.85
5.00
5.15
LM2576-12
V
O
0.5A
11.76
12.00
12.24
V
15V to
O.T.
11.40
12.00
12.60
V
IN Rated
11.52
12.00
12.48
Feedback Voltage
I
FB
0.5A
1.217
1.230
1.243
V
OUT = 5V
8V to
O.T.
1.180
1.230
1.280
LM2576-ADJ
V
IN Rated
1.193
1.230
1.267
Feedback Bias Current
I
B
12V
0.5A
50
100
nA
LM2576-ADJ
O.T.
500
Output Voltage
V
O
0.2A
3.23
3.30
3.37
V
LM2575-3.3
8V to
O.T.
3.14
3.30
3.47
V
IN Rated
3.20
3.30
3.40
LM2575-5
V
O
0.2A
4.90
5.00
5.10
V
8V to
O.T.
4.75
5.00
5.25
V
IN Rated
4.85
5.00
5.15
LM2575-12
V
O
0.2A
11.76
12.00
12.24
V
15V to
O.T.
11.40
12.00
12.60
V
IN Rated
11.52
12.00
12.48
Feedback Voltage
I
FB
0.2A
1.217
1.230
1.243
V
OUT = 5V
8V to
O.T.
1.180
1.230
1.280
LM2575-ADJ
V
IN Rated
1.193
1.230
1.267
Feedback Bias Current
LM2575-ADJ
I
B
12V
0.2A
O.T.
500
nA
相关PDF资料
PDF描述
LM2576S-3.3 7.5 A SWITCHING REGULATOR, 62 kHz SWITCHING FREQ-MAX, PSSO5
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