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MCR03EZPFX1002 Datasheet(PDF) 5 Page - International Rectifier

Part # MCR03EZPFX1002
Description  HIGHLY EFFICIENT INTEGRATED 14A SYNCHRONOUS BUCK REGULATOR
Download  34 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

MCR03EZPFX1002 Datasheet(HTML) 5 Page - International Rectifier

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Rev 11.0
PD-97505
IR3840AMPbF
5
Recommended Operating Conditions
Parameter
Symbol
Test Condition
Min
TYP
MAX
Units
Power Loss
Power Loss
Ploss
Vcc=5V, Vin=12V, Vo=1.8V, Io=14A,
Fs=600kHz, L=0.56uH, Note4
3.63
W
MOSFET Rds(on)
Top Switch
Rds(on)_Top
VBoot -Vsw =5V, ID=14A, Tj=25
0C
8.4
10.6
Bottom Switch
Rds(on)_Bot
Vcc=5V, ID=14A, Tj=25
0C
5.7
6.9
m
Ω
Reference Voltage
Feedback Voltage
VFB
0.7
V
0
oC<Tj<125oC
-1.0
+1.0
Accuracy
-40
oC<Tj<125oC, Note3
-2.0
+2.0
%
Supply Current
Vcc Supply Current (Standby)
ICC(Standby)
SS=0V, No Switching, Enable low
500
uA
Vcc Supply Current (Dyn)
ICC(Dyn)
SS=3V, Vcc=5V, Fs=500kHz
Enable high
15
mA
Under Voltage Lockout
Vcc-Start-Threshold
VCC_UVLO_Start
Vcc Rising Trip Level
3.95
4.15
4.35
Vcc-Stop-Threshold
VCC_UVLO_Stop
Vcc Falling Trip Level
3.65
3.85
4.05
Enable-Start-Threshold
Enable_UVLO_Start
Supply ramping up
1.14
1.2
1.36
Enable-Stop-Threshold
Enable_UVLO_Stop
Supply ramping down
0.9
1.0
1.06
V
Enable leakage current
Ien
Enable=3.3V
15
uA
Electrical Specifications
Unless otherwise specified, these specification apply over 4.5V< V
cc<5.5V, Vin=12V, 0
oC<T
j< 125
oC.
Typical values are specified at T
a = 25
oC.
Symbol
Definition
Min
Max
Units
Vin
Input Voltage
1.5
16
Vcc
Supply Voltage
4.5
5.5
Boot to SW
Supply Voltage
4.5
5.5
Vo
Output Voltage
0.7
0.9*Vin
V
Io
Output Current
0
14
A
Fs
Switching Frequency
225
1000
kHz
Tj
Junction Temperature
-40
125
oC


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