IR1150(S)/IR1150I(S)(PbF)

www.irf.com

2

Absolute Maximum Ratings

Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltages are

absolute voltages referenced to COM. Thermal resistance and power dissipation are measured under board mounted and

still air conditions.

Parameters

Symbols

Min.

Max.

Units

Remarks

VCC voltage

-0.3

22

V

Not internally clamped

Freq. voltage

-0.3

10.5

V

ISNS voltage

-10

3

V

OVP/EN voltage

-0.3

9

V

VFB voltage

-0.3

10.5

V

COMP voltage

-0.3

10

V

Gate voltage

-0.3

18

V

Continuous gate current

-5

5

mA

Max peak gate current

-1.5

1.5

A

Junction temperature

-40

150

˚C

Storage temperature

-55

150

˚C

—

128

˚C/W

SOIC-8

Thermal resistance

—

84

˚C/W

PDIP-8

—

675

mW

Package power dissipation

—

1000

mW

ESD protection

—

2

kV

Human body model*

Recommended Operating Conditions

Recommended operating conditions for reliable operation with margin

Parameters

Symbols

Min. Typ.

Max. Units

Remarks

Supply voltage

VCC

15

18

20

V

Junction temperature

TJ

-25

—

125

°C

Ambient temperature

TA

0

—

70

°C

IR1150(S)

Ambient temperature

TA

-25

—

85

°C

IR1150I(S)

Switching frequency

FSW

50

—

200

kHz

Electrical Characteristics

The electrical characteristics involve the spread of values guaranteed within the specified supply voltage and junction

Supply Section

Parameters

Symbols

Min.

Typ.

Max.

Units

Remarks

VCC turn-on threshold

VCC ON

12.2

12.7

13.2

V

VCC turn-off threshold

(under voltage lock out)

VCC UVLO

10.2

10.7

11.2

V

*Per EIA/JESD22-A114-B (discharging a 100pF capacitor through a 1.5K

Ω series resistor)