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MFG:PHI  Package Cooled:CDIP150  D/C:08+  

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Part Number: SE5561

 

MFG: PHI

Package Cooled: CDIP150

D/C: 08+

Description: The NE5561/SE5561 is a control circuit for use in switched-mode power supplies. It contains an interna...


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SE5561 General Description


The NE5561/SE5561 is a control circuit for use in switched-mode power supplies. It contains an internal temperature- compensated supply, PWM, sawtooth oscillator, overcurrent sense latch, and output stage. The device is intended for low cost SMPS applications where extensive housekeeping functions are not required.

SE5561 Maximum Ratings

SYMBOL PARAMETER
RATING
UNIT
VCC Supply1 Voltage-forced mode
+18
V
  Current-fed mode
30
mA
  Output transistor (at 20-30V max)
IOUT Output current
40
mA
VOUT Output voltage
VCC+1.4V
V
  Output duty cycle
98
%
PD Maximum total power dissipation
0.75
W
TA Operating temperature range
  SE5561
-55 to +125
°C
  NE5561
0 to 70
°C
NOTES:
1. See Voltage-Current-fed supply characteristic curve.

SE5561 Features

• Micro-miniature (D) package
• Pulse-width modulator
• Current limiting (cycle-by-cycle)
• Sawtooth generator
• Stabilized power supply
• Double pulse protection
• Internal temperature-compensated reference

SE5561 Connection Diagram

SE5561 Connection Diagram

SE5561 datasheet

SE5561
PDF/DataSheet Download

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