IR3552

40A Integrated PowIRstage

®

www.irf.com | © 2014 International Rectifier

February 19, 2014 | FINAL

6

ELECTRICAL SPECIFICATIONS

The electrical characteristics involve the spread of values guaranteed within the recommended operating

conditions. Typical values represent the median values, which are related to 25°C.

RECOMMENDED OPERATING CONDITIONS FOR RELIABLE OPERATION WITH MARGIN

PARAMETER

SYMBOL

MIN

MAX

UNIT

Recommended VIN Range

VIN

4.5

17

V

Recommended VCC Range

VCC

4.5

5.5

V

Recommended VDRV Range

VDRV

4.5

13.2

V

Recommended Switching Frequency

200

1500

kHz

Recommended Operating Junction Temperature

-40

125

°C

ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Efficiency

PowIRstage Peak Efficiency

Note 2

η

= 300kHz, L=220nH,

0.29

mΩ, VDRV=6.8V, no

heat sink, no air flow.

93.3

%

= 400kHz, L=150nH

0.29mΩ, VDRV=6.8V, no

heat sink, no air flow.

92.6

%

PWM Input Standard Tri-State Mode (Figure 5)

PWM Input Rising Threshold

2.41

2.55

2.75

V

PWM Input Falling Threshold

0.75

0.82

0.89

V

Tri-State LO_GATE Threshold

0.95

1.03

1.10

V

Tri-State LO_GATE Hysteresis

-

200

-

mV

Tri-State HI_GATE Threshold

2.21

2.35

2.48

V

Tri-State HI_GATE Hysteresis

-

200

-

mV

Tri-State Hold Off Time

-

40

-

ns

PWM Input Pull-Up Voltage

PWM Input Floating

-

1.60

-

V

PWM Input Resistance

PWM Input Floating

-

3.75

-

kΩ

Minimum Recognized PWM Pulse Width

MinPWM

ATL (IR) and Tri-State

Modes

-

20

-

ns

PWM Active Tri-Level (ATL) Mode (Figure 6)

PWM Input High Threshold

0.95

1.03

1.10

V

PWM Input Low Threshold

0.75

0.82

0.89

V

PWM Tri-level High Threshold

2.41

2.55

2.75

V

PWM Tri-level Low Threshold

2.21

2.35

2.48

V

PWM Input Current Low

-

-82

-

uA

PWM Input Current Mid

-

-500

-

uA