UC2843BD1 STMICROELECTRONICS Current Mode PWM, 30V supply, 500 kHz, 5V/1A out, SOIC-8


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SKU: 1745941
  1. Input Voltage (V): 15V
  2. Output Voltage(V): 5V
  3. Max. Output Current (A): 1A
  4. Supply Voltage Max: 30V
  5. IC Case / Package: SOIC
  6. No. of Pins: 8


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Category: Voltage Regulator ICs

The UC2843BD1 is a high-performance current mode PWM Controller IC. It provides the necessary features to implement offline or DC-to-DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise duty cycle control under-voltage lockout featuring a start-up current less than 0.5mA, a precision reference trimmed for accuracy at the error amp input, logic to ensure latched operation, a PWM comparator that 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.


  1. Trimmed oscillator for precise frequency control
  2. Automatic feed-forward compensation
  3. Latching PWM for cycle-by-cycle current limiting
  4. Internally trimmed reference with under-voltage lockout
  5. High current totem pole output
  6. Under-voltage lockout with hysteresis
  7. Low start-up and operating current

Package Includes:

1 x UC2843BD1 STMICROELECTRONICS Current Mode PWM, 30V supply, 500 kHz, 5V/1A out, SOIC-8

SKU: 1745941 Category:
Input Voltage (V)


Output Voltage(V)


Max. Output Current (A)


Supply Voltage Max


IC Case / Package


No. of Pins




Min. Operating Temperature


Max. operating temperature


Shipping Weight 0.001 kg
Shipping Dimensions 9 × 7 × 1 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China