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IP1202PBF Datasheet(PDF) 3 Page - International Rectifier

No. de pieza IP1202PBF
Descripción Electrónicos  Dual Output Full Function 2 Phase Synchronous Buck Power Block Integrated Power Semiconductors, PWM Control & Passives
PDF  29 Pages
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Fabricante Electrónico  IRF [International Rectifier]
Página de inicio  http://www.irf.com
Logo IRF - International Rectifier

IP1202PBF Datasheet(HTML) 3 Page - International Rectifier

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iP1202PbF
Electrical Specifications (continued)
Note 1: Guaranteed to meet specifications from T
BLK = 0°C to 90°C. Specifications outside of this tempera-
ture range are guaranteed by design, and not production tested.
Parameter
Symbol
Min
Typ
Max
Units
Conditions
170
-
230
kHz
RT = 48.7kΩ
( See Fig.9 for
Frequency
fSW
255
-
345
kHz
RT = 30.9kΩ
RT selection )
340
-
460
kHz
RT = 21.5kΩ
Oscillator Ramp Voltage
Vramp
-1.25
-
V
SYNC Frequency Range
fSYNC
480
-
800
kHz
Free running frequency
set 20% below sync frequency
SYNC Pulse Duration
tSYNC
-200
-
ns
SYNC, HICCUP High Level
Threshold Voltage
2-
-
V
SYNC, HICCUP Low Level
Threshold Voltage
--
0.8
V
VIN Quiescent Current
IIN-LEAKAGE
-15
-
mA
VIN = 12V, ENABLE high
Thermal Shutdown
Tempshdn
-140
-
°C
Max Duty Cycle
DMAX
85
-
-
%
fSW= 200kHz, TBLK = 25°C
ENABLE Threshold Voltage
VEN-LO
5-
-
V
Measured between VIN and ENABLE
VIN Turn On Threshold Voltage
VON_th
-4.8
-
V
Measured at start of soft start, ENABLE
pulled low, VIN ramping up
VIN Turn Off Threshold Voltage
VOFF_th
-4.3
-
V
Measured at fall of soft start, ENABLE
pulled low, VIN ramping down
Output Disable Voltage Soft
Start Low Threshold Voltage
VSS-DIS
--
0.25
V
SS1 / SS2 Pins Pulled Low



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