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UC1842AL883B
UC1842AL883B Description
Current Mode PWM Controller
UC1842AL883B Vendor
Texas Instruments
UC1842AL883B Features
  • Optimized for Off-line and DC to DC Converters
  • Low Start Up Current (<0.5mA)
  • Trimmed Oscillator Discharge Current
  • Automatic Feed Forward Compensation
  • Pulse-by-Pulse Current Limiting
  • Enhanced Load Response Characteristics
  • Under-Voltage Lockout With Hysteresis
  • Double Pulse Suppression
  • High Current Totem Pole Output
  • Internally Trimmed Bandgap Reference
  • 500kHz Operation
  • Low RO Error Amp
UC1842AL883B Datasheet and Application Notes
ParameterValue
TopologyBoost, Flyback, Forward
Control MethodCurrent Mode
Duty Cycle (Max) (%)100
PWM Outputs (#)1
Frequency (Max) (kHz)450
UVLO Thresholds On/Off (V)16/10
Pin/Package20LCCC,8CDIP
Approx. 1KU Price (US$)3.5
TopologyBoost, Flyback, Forward
Control MethodCurrent Mode
Duty Cycle (Max) (%)100
PWM Outputs (#)1
Frequency (Max) (kHz)450
UVLO Thresholds On/Off (V)16/10
Pin/Package20LCCC,8CDIP
Approx. 1KU Price (US$)3.5
StatusACTIVE
Temp (oC)-55 to 125
DSCC #5962-8670405XA
Budget Price ($US) | QTY14.60 | 1KU
Package Type | PinsLCCC (FK) | 20
STD Pack QTY1
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