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SG1846L

CURRENT MODE PWM CONTROLLER

DESCRIPTION TheSG1846familyofcontrolICsprovidesallofthenecessaryfeaturestoimplementfixedfrequency,currentmodecontrolschemeswhilemaintainingaminimumexternalpartscount.Thesuperiorperformanceofthistechniquecanbemeasuredinimprovedlineregulation,enhancedloadre

SG1846L

Flyback, Forward and Isolated;

Key Features:? Automatic feed forward compensation? Programmable pulse by pulse current limiting? Automatic symmetry correction in push-pullconfiguration? Enhanced load response characteristics? Parallel operation capability for modular powersystems? Differential current sense amplifier with widecommon mode range? Double pulse suppression? 200mA totem-pole outputs? ± 1% bandgap reference? Under-voltage lockout? Soft-start capability? Shutdown capability? 500KHz operationThe SG1846 family of control ICs provides all of the necessary features to implement fixed frequency, current mode control schemes while maintaining a minimum external parts count. The superior performance of this technique can be measured in im-proved line regulation, enhanced load response characteristics, and a simpler, easier-to-design control loop. Topological advantages include inherent pulse-by-pulse current limiting capability, automatic symmetry correction for push-pull converters, and the ability to parallel “power modules” while maintaining equal current sharing.Protection circuitry includes built-in under-voltage lockout and programmable current limit in addition to soft start capability. A shutdown function is also available which can initiate either a complete shutdown with automatic restart or latch the supply off.Other features include fully latched operation, double pulse sup-pression, deadtime adjust capability, and a ±1% trimmed bandgap reference.

SG1846L

CURRENT MODE PWM CONTROLLER

SG1846L/883B

CURRENT MODE PWM CONTROLLER

DESCRIPTION TheSG1846familyofcontrolICsprovidesallofthenecessaryfeaturestoimplementfixedfrequency,currentmodecontrolschemeswhilemaintainingaminimumexternalpartscount.Thesuperiorperformanceofthistechniquecanbemeasuredinimprovedlineregulation,enhancedloadre

SG1846L/DESC

CURRENT MODE PWM CONTROLLER

DESCRIPTION TheSG1846familyofcontrolICsprovidesallofthenecessaryfeaturestoimplementfixedfrequency,currentmodecontrolschemeswhilemaintainingaminimumexternalpartscount.Thesuperiorperformanceofthistechniquecanbemeasuredinimprovedlineregulation,enhancedloadre

SG1846L-883B

Flyback, Forward and Isolated;

Key Features:? Automatic feed forward compensation? Programmable pulse by pulse current limiting? Automatic symmetry correction in push-pullconfiguration? Enhanced load response characteristics? Parallel operation capability for modular powersystems? Differential current sense amplifier with widecommon mode range? Double pulse suppression? 200mA totem-pole outputs? ± 1% bandgap reference? Under-voltage lockout? Soft-start capability? Shutdown capability? 500KHz operationThe SG1846 family of control ICs provides all of the necessary features to implement fixed frequency, current mode control schemes while maintaining a minimum external parts count. The superior performance of this technique can be measured in im-proved line regulation, enhanced load response characteristics, and a simpler, easier-to-design control loop. Topological advantages include inherent pulse-by-pulse current limiting capability, automatic symmetry correction for push-pull converters, and the ability to parallel “power modules” while maintaining equal current sharing.Protection circuitry includes built-in under-voltage lockout and programmable current limit in addition to soft start capability. A shutdown function is also available which can initiate either a complete shutdown with automatic restart or latch the supply off.Other features include fully latched operation, double pulse sup-pression, deadtime adjust capability, and a ±1% trimmed bandgap reference.

SG1846L-DESC

Flyback, Forward and Isolated;

Cross reference to 5962-86806012A, 5962-86806012, 86806012Key Features:? Automatic feed forward compensation? Programmable pulse by pulse current limiting? Automatic symmetry correction in push-pullconfiguration? Enhanced load response characteristics? Parallel operation capability for modular powersystems? Differential current sense amplifier with widecommon mode range? Double pulse suppression? 200mA totem-pole outputs? ± 1% bandgap reference? Under-voltage lockout? Soft-start capability? Shutdown capability? 500KHz operationThe SG1846 family of control ICs provides all of the necessary features to implement fixed frequency, current mode control schemes while maintaining a minimum external parts count. The superior performance of this technique can be measured in im-proved line regulation, enhanced load response characteristics, and a simpler, easier-to-design control loop. Topological advantages include inherent pulse-by-pulse current limiting capability, automatic symmetry correction for push-pull converters, and the ability to parallel “power modules” while maintaining equal current sharing.Protection circuitry includes built-in under-voltage lockout and programmable current limit in addition to soft start capability. A shutdown function is also available which can initiate either a complete shutdown with automatic restart or latch the supply off.Other features include fully latched operation, double pulse sup-pression, deadtime adjust capability, and a ±1% trimmed bandgap reference.

SG1846LSLASH883B

CURRENT MODE PWM CONTROLLER

DESCRIPTION TheSG1846familyofcontrolICsprovidesallofthenecessaryfeaturestoimplementfixedfrequency,currentmodecontrolschemeswhilemaintainingaminimumexternalpartscount.Thesuperiorperformanceofthistechniquecanbemeasuredinimprovedlineregulation,enhancedloadre

SG1846LSLASHDESC

CURRENT MODE PWM CONTROLLER

DESCRIPTION TheSG1846familyofcontrolICsprovidesallofthenecessaryfeaturestoimplementfixedfrequency,currentmodecontrolschemeswhilemaintainingaminimumexternalpartscount.Thesuperiorperformanceofthistechniquecanbemeasuredinimprovedlineregulation,enhancedloadre

SG1846L/883B

CURRENT MODE PWM CONTROLLER