Off-Line Quasi-Resonant Switching Regulators

STR-Y6763,

STR-Y6765, and

STR-Y6766

Characteristic

Symbol

Test Conditions

Pins

Min.

Typ.

Max.

Unit

Voltage Between Drain and Source

1 – 2

800

–

–

V

Drain Leakage Current

1 – 2

–

–

300

μA

On-Resistance

STR-Y6763

1 – 2

–

–

3.5

Ω

STR-Y6765

1 – 2

–

–

2.2

Ω

STR-Y6766

1 – 2

–

–

1.7

Ω

Switching Time

STR-Y6763

1 – 2

–

–

250

ns

STR-Y6765

–

–

300

ns

STR-Y6766

–

–

300

ns

Thermal Resistance

STR-Y6763 Between a channel

of the MOSFET

and the internal

leadframe

1 – 2

–

2.8

3.2

°C/W

STR-Y6765

–

2.3

2.6

°C/W

STR-Y6766

–

1.9

2.2

°C/W

Characteristic

Symbol

Test Conditions

Pins

Min.

Typ.

Max.

Unit

BD Pin Source Current

6 – 4

−250

−83

−30

μA

OLP Bias Current

5 – 4

−15

−10

−5

μA

OLP Threshold Voltage

5 – 4

5.50

5.96

6.40

V

OVP Threshold Voltage

3 – 4

28.5

31.5

34.0

V

FB Pin Maximum Voltage in Feedback

Operation

5 – 4

3.70

4.05

4.40

V

Thermal Shut Down Temperature

–

135

–

–

°C

Note: The polarity value for current specifies a sink as "+ ," and a source as “−,” referencing the IC.

1

2

2

The latch circuit means a circuit operated OVP, OLP, OCP (latch-off), or TSD.

STR-Y6763-DS

6

SANKEN ELECTRIC CO., LTD.