User Manual

11/04/08
6
PD-60357
IR3802AMPbF
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 F
S
270 300 330 kHz
Ramp Amplitude V
ramp
Note3
1.25 V
Min Pulse Width D
min(ctrl)
Note3
80 ns
Max Duty Cycle D
max
Fb=0V 80 %
Error Amplifier
Input Bias Current I
FB1
SS=3V -0.1 -0.5
Input Bias Current I
FB2
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 I
SS
SS=0V 15 20 28
μA
Shutdown Output
Threshold
SD 0.25 V
Over Current Protection
OCSET Current I
OCSET
15 20 26
Hiccup Current I
Hiccup
Note3
3
μA
Hiccup Duty Cycle Hiccup(duty)
I
Hiccup
/ I
SS
, Note3
15 %
Thermal Shutdown
Thermal Shutdown
Threshold
Note3
140
Thermal Shutdown
Hysteresis
Note3
20
o
C