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MCR03EZPFX4021 数据表(PDF) 5 Page - International Rectifier

部件名 MCR03EZPFX4021
功能描述  HIGHLY EFFICIENT INTEGRATED 4A, SYNCHRONOUS BUCK REGULATOR
PDF  35 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  IRF [International Rectifier]
网页  http://www.irf.com
标志 IRF - International Rectifier

MCR03EZPFX4021 数据表(HTML) 5 Page - International Rectifier

  MCR03EZPFX4021 Datasheet HTML 1Page - International Rectifier MCR03EZPFX4021 Datasheet HTML 2Page - International Rectifier MCR03EZPFX4021 Datasheet HTML 3Page - International Rectifier MCR03EZPFX4021 Datasheet HTML 4Page - International Rectifier MCR03EZPFX4021 Datasheet HTML 5Page - International Rectifier MCR03EZPFX4021 Datasheet HTML 6Page - International Rectifier MCR03EZPFX4021 Datasheet HTML 7Page - International Rectifier MCR03EZPFX4021 Datasheet HTML 8Page - International Rectifier MCR03EZPFX4021 Datasheet HTML 9Page - International Rectifier Next Button
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Rev 4.0
5
PD-97516
IR3853MPbF
Recommended Operating Conditions
Symbol
Definition
Min
Max
Units
Vin
Input Voltage
1.5
21*
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
4
A
Fs
Switching Frequency
225
1650
kHz
Tj
Junction Temperature
-40
125
oC
PARAMETER
SYMBOL
TEST CONDITION
MIN
TYP
MAX
UNIT
POWER STAGE
Power Losses
Ploss
Vcc=5V, Vin=12V, Vo=1.8V,
Io=4A, Fs=600kHz, L=2.2uH,
Note4
0.642
W
Top Switch
Rds(on)_Top
VBoot -Vsw =5V, ID=4A, Tj=25oC
21
29
Bottom Switch
Rds(on)_Bot
Vcc=5V, ID=4A, Tj=25
oC
19.75
26.5
m
Ω
Deadband Time
Tdb
Note4
5
10
30
ns
Bootstrap Diode Forward
Voltage
I(Boot)= 30mA
180
260
470
mV
Isw
SW=0V, Enable=0V
SW leakage Current
SW=0V, Enable=high, SS=3V,
Vseq=0V, Note4
6
uA
SUPPLY CURRENT
VCC Supply Current (Standby)
ICC(Standby)
SS=0V, Vcc=5V, Enable low ,
No Switching
500
uA
VCC Supply Current (Dyn)
ICC(Dyn)
SS=3V, Vcc=5V, Enable high,
Fs=500kHz
6
11
mA
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
%
SOFT START / SD
Soft Start Current
ISS
Source
14
20
26
uA
Soft Start Clamp Voltage
Vss(clamp)
2.7
3.0
3.3
Shutdown Output Threshold
SD
0.3
V
*SW node should not exceed 25V
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.



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