ir3800 International Rectifier Corp., ir3800 Datasheet - Page 6

• Manufacturer Part Number: ir3800
• Description: Wide-input Voltage, Synchronous Buck Regulator
• Manufacturer: International Rectifier Corp.

11/04/08
Parameter
Oscillator
Error Amplifier
Source/Sink Current
Over Current Protection
OCSET Current
Hiccup Current
Hiccup Duty Cycle
Thermal Shutdown
Thermal Shutdown
Threshold
Thermal Shutdown
Hysteresis
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.
Frequency
Ramp Amplitude
Min Pulse Width
Max Duty Cycle
Input Bias Current
Input Bias Current
Transconductance
Soft Start/SD
Soft Start Current
Shutdown Output
Threshold
I(source/Sink)
Hiccup(duty)
D
SYM
I
I
V
D
OCSET
Hiccup
min(ctrl)
I
I
SD
I
F
ramp
FB1
FB2
gm
max
SS
S
Note3
Note3
SS=3V
SS=0V
SS=0V
Note3
I
Note3
Note3
Fb=0V
Hiccup
/ I
Test Condition
SS
,
Note3
Min
540
1000
50
15
15
75
20
TYP
140
1.25
600
-0.1
1300
20
20
20
15
80
35
70
3
IR3800MPbF
MAX
0.25
-0.5
1600
660
28
26
50
90
PD-60352
Units
μmho
kHz
μA
μA
μA
ns
o
%
%
V
V
C
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