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SM8303 Datasheet(PDF) 6 Page - SamHop Microelectronics Corp.

Part # SM8303
Description  150KHz, 3A PWM Buck Switching Regulator
PDF  11 Pages
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Manufacturer  SAMHOP [SamHop Microelectronics Corp.]
Direct Link  http://www.samhop.com.tw
Logo SAMHOP - SamHop Microelectronics Corp.

SM8303 Datasheet(HTML) 6 Page - SamHop Microelectronics Corp.

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SAMHOP Microelectronics Corp.
SM8303
150KHz, 3A PWM Buck Switching Regulator
6
V1.0 May 17 ,2007
Typical Performance Characteristics (Continued)
1.4
5
10 15
20 22
23 24 25
ON/OFF PIN VOLTAGE (V)
ON/OFF Pin Current (Sinking )
0.0
30.0
60.0
90.0
120.0
150.0
V
IN =40V
-40o C≤ Tj ≤ 125oC
0.0
1.0
2.0
3.0
4.0
5.0
-50 -25
0
25
50
75 100 125
JUNCTION TEMPERATURE ( oC)
Minimum Operating Supply Voltage
V
OUT =1.23V
I
LOAD =120mA
JUNCTION TEMPERATURE ( oC)
ON /OFF Threshold Voltage
0.0
1.0
2.0
3.0
4.0
5.0
-50 -25
0
25
50
75 100 125
Switch Frequency
JUNCTION TEMPERATURE ( oC)
0.0
17.0
34.0
51.0
68.0
-50 -25
0
25
50
75
100 125
JUNCTION TEMPERATURE ( oC)
Feedback Pin Bias Current
0.0
10.0
20.0
30.0
40.0
50.0
-50 -25
0
25
50
75
100 125
Adjustable Version Only
Thermal protection
0
2
4
6
8
10
JUNCTION TEMPERATURE (
50
75
100
125
150
175
200
o C)
TSC OFF
TSD ON



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