IRDC3841 International Rectifier, IRDC3841 Datasheet - Page 5

• Manufacturer Part Number: IRDC3841
• Description: BOARD EVAL SYNC BUCK CONVERTER
• Manufacturer: International Rectifier

Specifications of IRDC3841

• Silicon Manufacturer: International Rectifier
• Kit Contents: Board
• Features: Compact, High Performance And Flexible Solution, 600kHz Frequency
• Svhc: No SVHC (15-Dec-2010)
• Core Architecture: Power Management -
• Rohs Compliant: No

Electrical Specifications
Unless otherwise specified, these specification apply over 4.5V< V
Typical values are specified at T
Recommended Operating Conditions
V
V
Boot to SW
V
I
Fs
T
Power Loss
Power Loss
MOSFET R
Top Switch
Bottom Switch
Reference Voltage
Feedback Voltage
Accuracy
Supply Current
V
V
o
Under Voltage Lockout
V
V
V
Enable-Start-Threshold
Enable-Stop-Threshold
Enable-Hysteresis
Enable leakage current
CC
cc
06/18/09
j
in
cc
o
Symbol
CC
CC
CC
Supply Current (Dyn)
-Start-Threshold
-Stop-Threshold
-Hysteresis
Supply Current (Standby)
Parameter
ds(on)
Input Voltage
Supply Voltage
Supply Voltage
Output Voltage
Output Current
Switching Frequency
Junction Temperature
V
V
Vcc-Hys
Enable_UVLO_Start
Enable_UVLO_Stop
Enable_Hys
Ien
Definition
CC
CC
_UVLO_Start
_UVLO_Stop
Symbol
R
R
I
CC(Standby)
I
ds(on)_Top
ds(on)_Bot
CC(Dyn)
P
V
loss
FB
a
= 25
o
C.
Vcc=5V, V
Fs=600kHz, L=1uH, Note4
V
V
Supply ramping up and down
0
-40
SS=0V, No Switching, Enable low
SS=3V, Vcc=5V, Fs=500kHz
Enable high
Vcc Rising Trip Level
Vcc Falling Trip Level
Supply ramping up and down
Supply ramping up
Supply ramping down
Enable=3.3V
Boot
cc
o
C<Tj<125
=5V, I
o
C<Tj<125
-V
sw
D
=5V, I
=10A,
Test Condition
in
=12V, V
o
C
D
o
Tj=25
C,
=10A,
Note3
Min
225
o
-40
1.5
4.5
4.5
0.7
=1.8V, I
o
Tj=25
0
C
o
C
o
=8A,
cc
<5.5V, V
Min
4.06
3.76
0.25
1.14
0.16
-1.0
-2.0
0.9
0.9*Vin
1650
Max
125
5.5
5.5
16
8
in
=12V, 0
TYP
16.7
4.26
3.96
1.6
8.7
0.7
0.3
1.2
1.0
0.2
12
IR3841MPbF
o
MAX
C<T
+1.0
+2.0
4.46
4.16
0.38
1.36
1.06
0.25
500
23
12
18
j
< 125
Units
kHz
Units
o
mΩ
V
A
mA
μA
μA
C
W
%
V
V
o
C.
5