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EEV-FK1E680P Datasheet(PDF) 7 Page - International Rectifier

Part # EEV-FK1E680P
Description  12A Highly Integrated SupIRBuck IR3476 TM
Download  21 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

EEV-FK1E680P Datasheet(HTML) 7 Page - International Rectifier

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August 8, 2012 | ADVANCED DATASHEET | V2.1 | PD97603
7
IR3476
12A Highly Integrated SupIRBuck
TM
ELECTRICAL SPECIFICATIONS
RECOMMENDED OPERATING CONDITIONS FOR RELIABLE OPERATION WITH MARGIN
SYMBOL
MIN
MAX
UNITS
Recommended VIN Range
VIN
3
27*
V
Recommended VCC Range
VCC
4.5
5.5
Recommended Output Voltage Range
VOUT
0.5
12
Recommended Output Current Range
IOUT
0
12
A
Recommended Switching Frequency
FS
N/A
750
kHz
Recommended Operating Junction Temperature
TJ
-40
125
°C
* PHASE pin must not exceed 30V.
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, these specifications apply over VIN = 12V, 4.5V < VCC < 5.5V, 0°C ≤ TJ ≤ 125°C.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
Control Loop
Reference Accuracy
VREF
VFB = 0.5V
0.495
0.5
0.505
V
On-Time Accuracy
RFF = 180K, TJ = 65°C
280
300
320
ns
Min. Off Time
500
580
ns
Soft-Start Current
EN = High
8
10
12
µA
DCM Comparator Offset
Measure at VPHASE
-4.5
-2.5
0
mV
Feedback Input Current
VFB = 0.5V, TA = 25°C, Note 1
0.01
0.2
µA
Supply Current
VCC Supply Current (standby)
EN = Low, No Switching
23
µA
VCC Supply Current (dynamic)
EN = High, FS = 300kHz
8
mA
FF Shutdown Current
EN = Low, RFF = 180K
2
µA
Forced Continuous Conduction Mode (FCCM)
FCCM Start Threshold
2
V
FCCM Stop Threshold
0.6
V
Gate Drive
Deadtime
Monitor body diode
conduction on PHASE pin,
Note 1
5
30
ns
Bootstrap PFET
Forward Voltage
I(BOOT) = 10mA
300
mV
Upper MOSFET
Static Drain-to-Source On-Resistance
VCC = 5V, ID = 12A, TJ = 25°C
20
25
Lower MOSFET
Static Drain-to-Source On-Resistance
VCC = 5V, ID = 12A, TJ = 25°C
10
12.5


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