SM8303 View Datasheet(PDF) - Samhop Mircroelectronics

Part Name

Description

Manufacturer

SM8303

150KHz, 3A PWM Buck Switching Regulator

Samhop Mircroelectronics 

SAMHOP Microelectronics Corp.

150KHz, 3A PWM Buck Switching Regulator

SM8303

Typical Performance Characteristics (Continued)

Minimum Operating Supply Voltage

ON /OFF Threshold Voltage

5.0

5.0

4.0

4.0

3.0

3.0

2.0

1.0

VOUT =1.23V

ILOAD =120mA

0.0

-50 -25 0 25 50 75 100 125

JUNCTION TEMPERATURE ( oC)

2.0

1.0

0.0

-50 -25 0 25 50 75 100 125

JUNCTION TEMPERATURE ( oC)

150.0

120.0

90.0

ON/OFF Pin Current (Sinking )

VIN =40V

-40o C≤ Tj ≤ 125 oC

60.0

30.0

0.0

1.4 5 10 15 20 22 23 24 25

ON/OFF PIN VOLTAGE (V)

Feedback Pin Bias Current

50.0

40.0

30.0

20.0

Adjustable Version Only

10.0

0.0

-50 -25 0 25 50 75 100 125

JUNCTION TEMPERATURE ( oC)

Switch Frequency

68.0

51.0

34.0

17 .0

0.0

-50 -25 0 25 50 75 100 125

JUNCTION TEMPERATURE ( oC)

Thermal protection

10

8

6

4

2

0

50

TSC OFF

TSD ON

75 100 125 150 175 200

JUNCTION TEMPERATURE ( o C)

6

V1.0 May 17 ,2007

Share Link: