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IR1150-IR1150IPBF-IR1150IS-IR1150ISTRPBF-IR1150S-IR1150STRPBF
One Cycle Control PFC IC designed to operate in continuous conduction mode (CCM), designed and qualified for the Consumer market
International
TOR, Rectifier
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"
Description
The pPFC 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 over voltage protection, soft start, cycle- by-cycle
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 200pA, by pulling the OVP pin below 0.62V.
peak current limit, brownout, open loop, UVLO and micropower startup current.
Data Sheet No. PD60230 revD
|R1150(S)(PbF)
lR1150l(S)(PbF)
pPFC ONE CYCLE CONTROL PFC IC
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 pA)
Latch immunity and ESD protection
Parts also available Lead-Free
Packages
8-Lead SOIC
8-Lead PDIP
IR1150 Application Diagram
iloaded from:
International
TOR Rectifier
Absolute Maximum Ratings
IR1150(S)/IR1150|(S)(PbF)
Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltages are
absolute voltages referenced to COM. Thermal resistance and power dissipation are measured under board mounted and
still air conditions.
Parameters Symbols Min. Max. Units Remarks
VCC voltage Vcc -0.3 22 V Not internally clamped
Freq. voltage VFREQ- -0.3 10.5 V
ISNS voltage VISNS -10 3 V
OVP/EN voltage VOVP/EN -0.3 9 V
VFB voltage VFB -0.3 10.5 V
COMP voltage VCOMP -0.3 10 V
Gate voltage VGATE -O.3 18 V
Continuous gate current IGATE -5 5 mA
Max peak gate current IGATEPK -1.5 1.5 A
Junction temperature T, -40 150 (
Storage temperature Ts -55 150 (
Thermal resistance Re JA - 128 "C/VV SOIC-8
- 84 "C/W PDlP-8
. . . - 675 mW SOIC-8 TAMB = 25 (
Package power dissipation Pro - 1000 mW PDlP-8 TAMB = 25 (
ESD protection VESD - 2 kV Human body model'
Recommended Operating Conditions
Recommended operating conditions for reliable operation with margin
Parameters Symbols Min. Typ. Max. Units Remarks
Supply voltage VCC 15 18 20 V
Junction temperature TJ -25 - 125 "C
Ambient temperature TA 0 - 70 ''C IR1150(S)
Ambient temperature TA -25 - 85 "C lR1150l(S)
Switching frequency FSW 50 - 200 kHz
Electrical Characteristics
The electrical characteristics involve the spread of values guaranteed within the specihed supply voltage and junction
temperature range T: from - 25°C to 125°C. Typical values represent the median values, which are related to 25°C. If
not otherwise stated, a supply voltage of Vcc =15V is assumed for test condition
Supply Section
Parameters Symbols Min. Typ. Max. Units Remarks
VCCturn-onthreshold VCC ON 12.2 12.7 13.2 V
VCCturn-off threshold VCC UVLO 10.2 10.7 11.2 V
(under voltage lock out)
"Per ElA/JESD22-A114-B (discharging a 100pF capacitor through a 15K!) series resistor)
Iloaded from:
