IR1155STRPBF International Rectifier, IR1155STRPBF Datasheet - Page 8

• Manufacturer Part Number: IR1155STRPBF
• Description: IC PFC ONE CYCLE CONTROL 8SOIC
• Manufacturer: International Rectifier

Specifications of IR1155STRPBF

• Mode: Continuous Conduction (CCM)
• Frequency - Switching: Adjustable
• Current - Startup: 175µA
• Voltage - Supply: 12 V ~ 19 V
• Operating Temperature: -25°C ~ 125°C
• Mounting Type: *
• Package / Case: *
• Startup Current: 175µA
• Operating Supply Current: 10mA
• Duty Cycle (%): 99%
• Frequency: 200kHz
• Digital Ic Case Style: SOIC
• No. Of Pins: 8
• Operating Temperature Range: -25°C To +125°C
• Peak Reflow Compatible (260 C): Yes
• Rohs Compliant: Yes
• Leaded Process Compatible: Yes
• Package: 8-lead SOIC
• Circuit: PFC IC
• Vcc Range (v): 12V-20V
• Out Peak Current (a): +/- 1.5
• Switching Frequency (khz): 48 - 200
• Environment: Industrial
• Over-voltage Protection: Yes
• Brown-out Protection: Yes
• Pbf: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: IR1155STRPBFTR

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Block Diagram
OVP
COMP
VFB
VOVP
Overvoltage
Comparator
(Stand-By Mode)
Comparator
Open Loop
VBIAS
VOLP
VSLEEP
(SLEEP MODE)
V BIAS
Comparator
V
Enable
REF
V BIAS
STNDBY
VBIAS
OVP
250mV
VCOMP Discharge
Threshold
Comparator
UVLO/SLEEP
SLEEP
V
m
V
COMP
Discharge
V BIAS
ISNS
V BIAS
S1
R
RAMP
Q
Q
RESET
VISNS(PK)
+
Overcurrent
Comparator
Peak
-
V BIAS
VSUMMER
VCOMP
0
8
OCP
V BIAS
OVP
PWM OFF
RESET
FREQ
GATE OFF
BLANK
Pulse at Ton
Blanking
OSC
OSCILLATOR
V BIAS
MAX
DUTY
VOLP = 19%V
DUTY CYCLE
VOUV = 50% V
VOVP = 106% V
LIMIT
MAX
80% V
VSLEEP
250mV
SET
V
REF
REF
REF
REF
© 2011 International Rectifier
REF
R1
S
VCC OK
Q
IR1155S
GATE OFF
SLEEP
(POWER
OFF)
Internal Rail
Reference
UVLO
Precision
&
V BIAS
VCC
GATE
COM
VCC