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UC1843-SP

QML V 類電流模式 PWM 控制器; ? QML-V Qualified, SMD 5962-86704\n? Rad-Tolerant: 50 kRad (Si) TID (ELDRS Free)\n? Controlled Baseline\n? Optimized For Off-line and DC-to-DC Converters\n? Low Start-Up Current (O Error Amp\n Radiation tolerance is a typical value based upon initial device qualification with dose rate = 10 mrad/sec. Radiation Lot Acceptance Testing is available - contact factory for details.;

The UC1843 family of control devices provides the necessary features to implement off-line or dc-to-dc fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include under-voltage lockout featuring start up current less than 1 mA, a precision reference trimmed for accuracy at the error amp input, logic to insure latched operation, a PWM comparator which also provides current limit control, and a totem pole output stage designed to source or sink high peak current. The output stage, suitable for driving N-Channel MOSFETs, is low in the off state. The under-voltage lockout threshold is 8.4 V and maximum duty cycle range is around 100%.\n \n

UC1843-SP

CURRENT MODE PWM CONTROLLER (KNOWN GOOD DIE)

1FEATURES ·–55°Cto125°CKnownGoodDie ·ControlledBaseline ·OptimizedForOff-lineandDC-to-DC Converters ·LowStart-UpCurrent(

UC1843-SP

QML CLASS V, CURRENT-MODE PWM CONTROLLER

UC1843-SP_15

QML CLASS V, CURRENT-MODE PWM CONTROLLER

UC2524DWTRG4

TI
16-SOIC