Datasheet > 78ST100SERIES

78ST100SERIES

更新时间： 2022-01-19 03:40:00

品牌	Logo	应用领域
其他 - ETC		稳压器开关
页数	文件大小	规格书
3页	217K
描述
1.5 AMP POSITIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR

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78ST100SERIES 数据手册

For assistance or to order, call (800) 531-5782

7 8 S T 1 0 0 S e r i e s

C H A R A C T E R I S T I C

D A T A

78ST133_ 3.3 VDC (See Note 1)

78ST105_ 5.0 VDC (See Note 1)

78ST112_ 12.0 VDC (See Note 1)

Efficiency vs Output Current

100

Vin

7.0V

14.0V

10.0V

15.0V

20.0V

25.0V

30.0V

10.0V

15.0V

20.0V

25.0V

30.0V

20.0V

25.0V

30.0V

35.0V

0.0

0.5

1.0

1.5

0.0

0.5

1.0

1.5

0.0

0.5

1.0

1.5

Iout (A)

Ripple vs Output Current

140

120

100

Vin

7.0V

Vin

7.0V

Vin

14.0V

10.0V

15.0V

20.0V

25.0V

30.0V

10.0V

15.0V

20.0V

25.0V

30.0V

20.0V

25.0V

30.0V

35.0V

0.0

0.5

1.0

1.5

0.0

0.5

1.0

1.5

0.0

0.5

1.0

1.5

Iout (A)

Thermal Derating (T_a)

(See Note 2)

Thermal Derating (T_a)

(See Note 2)

Thermal Derating (T_a)

(See Note 2)

1.6

1.4

1.2

1.6

1.4

1.2

1.6

1.4

1.2

60°C

70°C

85°C

70°C

85°C

0.8

0.6

0.4

0.2

0.8

0.6

0.4

0.2

0.8

0.6

0.4

0.2

Vin (Volts)

Power Dissipation vs Output Current

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0.0

2.5

2.0

1.5

1.0

0.5

0.0

Vin

7.0V

Vin

7.0V

14.0V

20.0V

25.0V

30.0V

35.0V

10.0V

15.0V

20.0V

25.0V

30.0V

10.0V

15.0V

20.0V

25.0V

30.0V

0.0

0.5

1.0

1.5

0.0

0.5

1.0

1.5

0.0

0.5

1.0

1.5

Iout (A)

Note 1: All data listed in the above graphs, except for derating data, has been developed from actual products tested at 25°C. This data is considered typical data for the ISR.

Note 2: Thermal derating graphs are developed in free air convection cooling of 40-60 LFM. (See Thermal Application Notes.)

Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com

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