参数资料
型号: TC2576VAT
元件分类: 稳压器
英文描述: 7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSFM5
封装: TO-220, 5 PIN
文件页数: 21/25页
文件大小: 213K
代理商: TC2576VAT
5
TC2576
TC2576-2 12/04/00
3.0A Step-Down Switching Regulator
2001 Microchip Technology Inc.
DS21399A
CIN
100
F
COUT
1000
F
+VIN
1
3 GND
5
2
4L1
100
H
Output
D1
1N5822
Feedback
ON/OFF
7.0 – 40V
Unregulated
DC Input
5.0V Regulated
Output 3.0A Load
TC2576
+
Figure 1. Block Diagram and Typical Application: Fixed Output Voltage Versions
Figure 2. Typical Test Circuit
CIN
100
F
COUT
1000
F
VOUT
VIN
1
3
GND
5
2
4
D1
MBR360
L1
100
H
Output
Feedback
Fixed Output Voltage Versions
CIN
- 100
F, 75V, Aluminum Electrolytic
COUT - 1000F, 25V, Aluminum Electrolytic
D1
- Schottky, MBR360
L1
- 100
H, Pulse Eng. PE-92108
R1
- 2.0k, 0.1%
R2
- 6.12k, 0.1%
VOUT = VREF
(1.0 +
R2)
R1
ON/OFF
7.0 – 40V
Unregulated
DC Input
TC2576
D1
MBR360
+
Load
Fixed Output
CIN
100
F
R2
R1
VOUT
5,000V
VIN
1
3
GND
5
2
4
L1
100
H
Output
Feedback
Where VREF = 1.23V, R1
between 1.0k and 5.0k
Adjustable Output Voltage Versions
ON/OFF
7.0 – 40V
Unregulated
DC Input
TC2576
+
CIN
100
F
+
Load
Adjustable
R1= R2
(VOUT - 1.0)
VREF
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