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Número de pieza | IR1150S | |
Descripción | UPFC ONE CYCLE CONTROL PFC IC | |
Fabricantes | International Rectifier | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de IR1150S (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
No Preview Available ! Data Sheet No. PD60230 revAa
IR1150S(PbF)
IR1150IS(PbF)
µPFC ONE CYCLE CONTROL PFC IC
Features
• PFC with IR proprietary “One Cycle Control”
• Continuous conduction mode (CCM) boost type PFC
• No line voltage sense required
• Programmable switching frequency (50kHz-200kHz)
• Programmable output overvoltage protection
• Brownout and output undervoltage protection
• Cycle-by-cycle peak current limit
• Soft start
• User initiated micropower “Sleep Mode”
• Open loop protection
• Maximum duty cycle limit of 98%
• User programmable fixed frequency operation
• Min. off time of 150-350ns over freq range
• VCC under voltage lockout
• Internally clamped 13V gate drive
• Fast 1.5A peak gate drive
• Micropower startup (<200 µA)
• Latch immunity and ESD protection
• Parts also available Lead-Free
Description
Package
The µPFC IR1150 is a power factor correction (PFC) control IC designed to operate in continuous
conduction mode (CCM) over a wide range input line voltages. The IR1150 is based on IR's
proprietary "One Cycle Control" (OCC) technique providing a cost effective solution for PFC.
The proprietary control method allows major reductions in component count, PCB area and
design time while delivering the same high system performance as traditional solutions.
The IC is fully protected and eliminates the often noise sensitive line voltage sensing requirements
of existing solutions.
The IR1150 features include programmable switching frequency, programmable dedicated
8-Lead SOIC
over voltage protection, soft start, cycle-by-cycle peak current limit, brownout, open loop,
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UVLO and micropower startup current.
In addition, for low standby power requirements (Energy Star, 1W Standby, Blue Angel, etc.), the IC can be driven into sleep
mode with total current consumption below 200µA, by pulling the OVP pin below 0.62V.
IR1150 Application Diagram
AC LINE
BR ID GE
V OUT
AC NEUTRAL
IR 11 50
1 COM GATE 8
2 FREQ VCC 7
3 ISNS
VFB 6
4 OVP COMP 5
V cc
+
+
R TN
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1
1 page IR1150S/IR1150IS(PbF)
Gate Driver Section
Parameters
Gate low voltage
Gate high voltage
Gate high voltage
Rise time
Fall time
Out peak current
Gate voltage @ fault
Symbols
VGLO
VGTH
VGTH
tr
tf
IOPK
VG fault
Min.
—
—
9.5
—
—
—
—
1.5
—
Typ.
1.2
13
—
20
70
20
70
—
—
Max.
1.5
18
—
—
—
—
—
—
1.8
Units
V
V
V
ns
ns
ns
ns
A
V
Remarks
IGATE=200mA
VCC=20V
VCC =11.5V
CLOAD = 1nF, VCC=16V
CLOAD = 10nF, VCC=16V
CLOAD = 1nF, VCC=16V
CLOAD = 10nF, VCC=16V
CLOAD = 10nF, VCC=16V
IGATE=20mA
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5
5 Page IR1150S/IR1150IS(PbF)
100 13 V
10 12 V
1 11 V
0.1
0.01
5V
10 V 15 V 20 V
Supply voltage
Fig.1 - Supply Current
25 V
10 V
VCVCCCONON
VVCCCUUVVLLOO
9V
-50 °C
0 °C
50 °C 100 °C
Temperature
150 °C
Fig. 2 - Under Voltage Lockout vs.
Temperature
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300 kHz
250 kHz
200 kHz
150 kHz
100 kHz
50 kHz
0 kHz
0k
50 k 100 k 150 k
Programming Resistor
200 k
Fig. 3 - Oscillator Frequency vs.
Programming Resistor
250 kHz
200 kHz
150 kHz
100 kHz
RRFF=37k
RRF =78k
RRFF=165k
50 kHz
0 kHz
-50 °C
0 °C
50 °C 100 °C 150 °C
Temperature
Fig. 4 - Oscillator Frequency vs.
Temperature
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11
11 Page |
Páginas | Total 16 Páginas | |
PDF Descargar | [ Datasheet IR1150S.PDF ] |
Número de pieza | Descripción | Fabricantes |
IR1150 | uPFC ONE CYCLE CONTROL PFC IC | International Rectifier |
IR1150IS | UPFC ONE CYCLE CONTROL PFC IC | International Rectifier |
IR1150ISPBF | UPFC ONE CYCLE CONTROL PFC IC | International Rectifier |
IR1150LS | uPFC One Cycle Control PFC IC | International Rectifier |
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