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NCP1651

Features: • Fixed Frequency Operation• Average Current Mode PWM• Internal High Voltage Start−Up Circuit• Continuous or Discontinuous Mode Operation• High Accuracy Multiplier• Overtemperature Shutdown• External Shutdown• Undervoltage LockoutR...

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SeekIC No. : 004432983 Detail

NCP1651: Features: • Fixed Frequency Operation• Average Current Mode PWM• Internal High Voltage Start−Up Circuit• Continuous or Discontinuous Mode Operation• High Accuracy...

NCP1651 Data Sheet

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Part Number:
NCP1651
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Fixed Frequency Operation
• Average Current Mode PWM
• Internal High Voltage Start−Up Circuit
• Continuous or Discontinuous Mode Operation
• High Accuracy Multiplier
• Overtemperature Shutdown
• External Shutdown
• Undervoltage Lockout
• Low Cost/Parts Count Solution
• Ramp Compensation Does Not Affect Oscillator Accuracy


Application

• High Current Battery Chargers
• Front Ends for Distributed Power Systems


Pinout

Connection Diagram


Specifications

Rating Symbol Value Unit
Power Supply Voltage (Operating)
Output (Pin 1)		 VCC −0.3 to 18 V
Current Sense Amplifier Input (Pin 5) V(IS+ ) −0.3 to 1.0 V
FB/SD Input (Pin 8) V FB/SD −0.3 to 11 V
CT Input (Pin 3) VCT −0.3 to 4.5 V
Line Voltage Vstartup −0.3 to 500 V
All Other Pins   −0.3 to 6.5 V
Thermal Resistance, Junction−to−Air
0.1 in2 Copper
0.5 in2 Copper		 JA
130
110		 °C/W
Thermal Resistance, Junction−to−Lead JL 50 °C/W
Maximum Power Dissipation @ TA = 25°C Pmax 0.77 W
Operating Temperature Range Tj −40 to 125 °C
Non−operating Temperature Range Tj −55 to 150 °C



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