12

Ratings

Parameter

Symbol

STR20005

Unit

min

typ

max

840

Condition

5.0

5.1

5.2

Condition

η

72

Condition

50

Condition

100

Condition

45

Condition

f=100 to 120Hz

f30

Condition

s Electrical Characteristics (Ta=25

°C)

DC Input Voltage Range

V

Output Voltage

V

Efficiency

%

Line Regulation

mV

Load Regulation

mV

Ripple Rejection

dB

Switching Frequency

kHz

Switching Type

Chopper • Self Oscillation Type

External View

s Absolute Maximum Ratings (Ta=25

°C)

Ratings

STR20005

DC Input Voltage

45

V

DC Output Current

2.0 (pulse 3.0)

A

°C)

°C)

Operating Temperature

–20 to +100

°C

Storage Temperature

–20 to +125

°C

Thermal Resistance (junction-to-case)

1.8

°C/W

Parameter

Symbol

Unit

Power Dissipation

W

Features

q Requires only 4 external components

q Small size and high efficiency

q Low switching noise

q Variable output voltage

q Use of Sanken semiconductors components ensures

high reliability

Applications

q For power supplies in office equipment such as

electronic typewriters, printers and copiers

q For power supplies in VCRs, personal CB radios

(fixed stations), etc.