IR2121 datasheet(2/15 Pages) IRF

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IR2121

B-92 CONTROL INTEGRATED CIRCUIT DESIGNERS MANUAL

Parameter

Value

Symbol

Definition

Min.

Max.

Units

VCC

Fixed Supply Voltage

-0.3

Gate Drive Return Voltage

VCC - 25

VCC + 0.3

Output Voltage

VS - 0.3

VCC + 0.3

VIN

Logic Input Voltage

-0.3

VCC + 0.3

VERR

Error Signal Voltage

-0.3

VCC + 0.3

VCS

Current Sense Voltage

VS - 0.3

VCC + 0.3

Package Power Dissipation @ TA ≤ +25°C

—

1.0

RθJA

Thermal Resistance, Junction to Ambient

—

125

°C/W

Junction Temperature

—

150

Storage Temperature

-55

150

°C

Lead Temperature (Soldering, 10 seconds)

—

300

Absolute Maximum Ratings

Absolute Maximum Ratings indicate sustained limits beyond which damage to the device may occur. All voltage param-

eters are absolute voltages referenced to COM. The Thermal Resistance and Power Dissipation ratings are measured

under board mounted and still air conditions.

Parameter

Value

Symbol

Definition

Min.

Max.

Units

VCC

Fixed Supply Voltage

VS + 10

VS + 20

Gate Drive Return Voltage

-5

Output Voltage

VCC

VIN

Logic Input Voltage

VCC

VERR

Error Signal Voltage

VCC

VCS

Current Sense Signal Voltage

VCC

Ambient Temperature

-40

125

°C

Recommended Operating Conditions

The Input/Output logic timing diagram is shown in Figure 1. For proper operation the device should be used within the

recommended conditions. The VS offset rating is tested with all supplies biased at 15V differential.

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