IR1150LS International Rectifier, IR1150LS Datasheet
IR1150LS
Related parts for IR1150LS
IR1150LS Summary of contents
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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 ...
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Absolute Maximum Ratings 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 ...
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Electrical Characteristics cont. The electrical characteristics involve the spread of values guaranteed within the specified supply voltage and junction temperature range T from – 25° 125°C. Typical values represent the median values, which are related to 25°C. If ...
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Internal Voltage Reference Section Parameters Symbols Reference voltage Line regulation R Temp stability Total variation Voltage Error Amplifier Section Parameters Symbols Transconductance Source/sink current Soft start delay time (calculated) V voltage (fault) V COMP COMP FLT Effective V voltage V ...
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Gate Driver Section Parameters Symbols Gate low voltage V Gate high voltage V Gate high voltage V Rise time Fall time Out peak current I Gate voltage @ fault V www.irf.com Min. Typ. Max. — 1.2 1.5 GLO — — ...
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Block Diagram 4 OVP/EN 1.055V REF 3 I SNS REF COMP FAULT FAULT PROTECTION OPEN LOOP PROTECTION OUTPUT UNDER VOLTAGE Lead Assignments & Definitions Lead Assignment IR1150S 1 COM 2 FREQ I 3 ...
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General Description The PFC IR1150 is intended for boost converters for power factor correction operating at a fixed frequency in continuous conduction mode. The IC operates with two loops; an inner current loop and an outer voltage loop. The inner ...
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Detailed Pin Description COM: Ground This is the ground potential pin of the integrated con- trol circuit. All internal devices are referenced to this point Output Voltage Feedback FB The output voltage of the boost converter is sensed ...
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Operating States UVLO Mode The IC remains in the UVLO condition until the voltage on the V pin exceeds the voltage ON. During the time the IC remains in the UVLO state, the gate drive ...
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STATE & TRANSITIONS DIAGRAM V < 50%V V < REF CC CC UVLO LIMIT FAULT V ISNS V < -1.0V ISNS Present PulseTerminated V ISNS Oscillator Active V < ISNS V ...
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Supply voltage Fig.1 - Supply Current 300 kHz 250 kHz 200 kHz 150 kHz 100 kHz 50 kHz 0 kHz 100 k Programming Resistor Fig. ...
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V 7.05 V 7.00 V 6.95 V 6.90 V 6.85 V -50 °C 0 °C 50 °C Temperature Fig Reference Voltage -50 °C 0 °C ...
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Vcc UVLO 82% V REF OLP SOFT START www.irf.com IR1150S/IR1150IS IR1150 Timing Diagrams NORMAL V Under Voltage Lockout cc NORMAL OVP Output Protection 13.0V (typ) 11.0V (typ) t UVLO 106% V REF 100% V REF 51% V REF 19% V ...
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Case outline 0.25 [.010 0.25 [.010 NOTES: 1. DIMENSIONING & TOLERANCING PER ASME Y14.5M-1994. 2. CONTROLLING ...
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Tape & Reel Information Dimensions are shown in millimeters (inches) 8.1 ( .318 ) 7.9 ( .312 ) NOTES: 1. OUTLINE CONFORMS TO EIA-481 & EIA-541. 2. CONTROLLING DIMENSION : MILLIMETER. NOTES : 1. CONTROLLING DIMENSION : MILLIMETER. 2. OUTLINE ...