3

SANKEN ELECTRIC CO., LTD.

STR2W100D-DS

Current Mode Control PWM Regulator ICs

For Switching Power Supplies

STR2W152D and

STR2W153D

May 14, 2012

Characteristic

Symbol

Test Conditions

Pins

Min.

Typ.

Max.

Unit

Drain-to-Source Breakdown Voltage

1 – 5

650

――

V

Drain Leakage Current

1 – 5

――

300

μA

On-Resistance

STR2W152D

1 – 5

――

3.0

Ω

STR2W153D

――

1.9

Ω

Switching Time

1 – 5

――

250

ns

Thermal Resistance*

STR2W152D

―

――

2.48

°C/W

STR2W153D

――

1.95

°C/W

*The thermal resistance between the channels of the MOSFET and the internal frame.

Characteristic

Symbol

Test Conditions

Pins

Min.

Typ.

Max.

Unit

Operation Start Voltage

4 – 5

13.8

15.3

16.8

V

Operation Stop Voltage*

4 – 5

7.3

8.1

8.9

V

Circuit Current in Operation

4 – 5

−−

2.5

mA

Minimum Start Voltage

4 – 5

−

40

−

V

Startup Current

4 – 5

−3.9

−2.5

−1.1

mA

Startup Current Threshold Biasing

Voltage*

4 – 5

8.5

9.5

10.5

V

Average Operation Frequency

1 – 5

60

67

74

kHz

Frequency Modulation Deviation

Δf

1 – 5

−

5

−

kHz

Maximum Duty Cycle

1 – 5

65

74

83

%

Leading Edge Blanking Time

–

−

390

−

ns

OCP Compensation Coefficient

DPC

–

−

17

−

mV/μs

OCP Compensation Duty Cycle Limit

–

−

36

−

%

OCP Threshold Voltage at

Zero Duty Cycle

3 – 5

0.69

0.78

0.87

V

OCP Threshold Voltage at

36% Duty Cycle

3 – 5

0.79

0.88

0.97

V

Maximum Feedback Current

6 – 5

−280

−170

−90

μA

Minimum Feedback Current

6 – 5

−30

−15

−7

μA

FB/OLP Oscillation Stop Threshold

Voltage

6 – 5

1.3

1.4

1.5

V

OLP Threshold Voltage

6 – 5

7.3

8.1

8.9

V

OLP Operation Current

4 – 5

−

230

−μA

OLP Delay Time

1 – 5

54

68

82

ms

FB/OLP Clamp Voltage

6 – 5

11

12.8

14

V

OVP Threshold Voltage

4 – 5

26

29

32

V

Thermal Shutdown Activating

Temperature

−

130

−−

°C