11/04/08

6

PD-60353

IR3800AMPbF

Note1: Continuous output current determined by input and output voltage setting and the thermal environment.

Note2: Cold temperature performance is guaranteed via correlation using statistical quality control. Not tested in production.

Note3: Guaranteed by Design but not tested in production.

Parameter

SYM

Test Condition

Min

TYP

MAX

Units

Oscillator

Frequency

270

300

330

kHz

Ramp Amplitude

Note3

1.25

V

Min Pulse Width

Note3

80

ns

Max Duty Cycle

Fb=0V

80

%

Error Amplifier

Input Bias Current

SS=3V

-0.1

-0.5

Input Bias Current

SS=0V

20

35

50

Source/Sink Current

I(source/Sink)

50

70

90

μA

Transconductance

gm

1000

1300

1600

μmho

Soft Start/SD

Soft Start Current

SS=0V

15

20

28

μA

Shutdown Output

Threshold

SD

0.25

V

Over Current Protection

OCSET Current

15

20

26

Hiccup Current

Note3

3

μA

Hiccup Duty Cycle

Hiccup(duty)

15

%

Thermal Shutdown

Thermal Shutdown

Threshold

Note3

140

Thermal Shutdown

Hysteresis

Note3

20