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UC2842AQTIN/a18avaiAutomotive Catalog Current-Mode PWM Controller
UC2842AQD8TIN/a4avaiAutomotive Catalog Current-Mode PWM Controller


UC2842AQ ,Automotive Catalog Current-Mode PWM Controllerfeatures. Start up current is guaranteed to be less than 0.5 mA. Oscillator discharge is trimmedto ..
UC2842AQD8 ,Automotive Catalog Current-Mode PWM Controllermaximum ratings over operating free-air temperature range (unless otherwise noted)V voltage (low im ..
UC2842B ,High Performance Current Mode Controllerfeatures to implement off-line or DC to DC UVLO thresholds of 16V (on) and 10V (off), ideallysuited ..
UC2842BD ,High Performance Current Mode ControllerELECTRICAL CHARACTERISTICS (V = 15 V [Note 1], R = 10 k, C = 3.3 nF. For typical values T = 25°C, f ..
UC2842BD1 ,High Performance Current Mode ControllerELECTRICAL CHARACTERISTICS ( [note 1] Unless otherwise stated, these specifications apply for-25 < ..
UC2842BD1 ,High Performance Current Mode ControllerABSOLUTE MAXIMUM RATINGSSymbol Parameter Value UnitV Supply Voltage (low impedance source) 30 ViV S ..
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UC2842AQ-UC2842AQD8
Automotive Catalog Current-Mode PWM Controller
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 500 kHz Operation Low RO Error Amp
description

The UC2842A/3A/4A/5A family of control ICs is a pin for pin compatible improved version of the UC2842/3/4/5
family. Providing the necessary features to control current mode switched mode power supplies, this family has the
following improved features. Start up current is guaranteed to be less than 0.5 mA. Oscillator discharge is trimmed
to 8.3 mA. During under voltage lockout, the output stage can sink at least 10 mA at less than 1.2 V for VCC over
5 V.
The difference between members of this family are shown in the table below.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
ISENSE
RT/CT
OUTPUT
GND
D 14-PIN PACKAGE(TOP VIEW)

COMP
VFB SENSET/CT
VREF
VCC
OUTPUT
GND
PWR GND
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