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NE5562

Philipss
Part Number NE5562
Manufacturer Philipss
Description Switched-mode power supply control circuit
Published May 7, 2005
Detailed Description Philips Semiconductors Product specification Switched-mode power supply control circuit NE/SE5562 DESCRIPTION The NE...
Datasheet PDF File NE5562 PDF File

NE5562
NE5562


Overview
Philips Semiconductors Product specification Switched-mode power supply control circuit NE/SE5562 DESCRIPTION The NE/SE5562 is a single-output control circuit for switched-mode power supplies.
This single monolithic IC contains all control and protection features needed for full-featured switched-mode power supplies.
The 100mA source/sink output is designed to drive power FETs directly.
The associated output logic is designed to prevent double pulsing or cross-conduction current spiking on the output.
All of the control and protect features work cycle-by-cycle up to the maximum operating frequency of 600kHz.
For ease of interface, all digital inputs are TTL or CMOS compatible.
The NE5562 is supplied in 20-pin glass/ceramic (Cerdip), plastic DIP, and plastic SO packages.
The NE grade part is characterized and guaranteed over the commercial ambient temperature range of 0°C to +70°C and junction temperature range of 0°C to +85°C.
The SE5562 is supplied in the glass/ceramic (Cerdip) package.
The SE grade part is characterized and guaranteed over the ambient temperature range of -55 to +125°C and junction temperature range of -55 to +135°C.
PIN CONFIGURATION D, F, N Packages FEED FORWARD 1 CT 2 RT 3 EXTERNAL MOD IN 4 DUTY CYCLE CONTROL 5 REMOTE ON/OFF 6 VI 7 20 GROUND 19 OUTPUT 18 DEMAG OVERVOLT IN 17 V S 16 C DELAY 15 OUT INVERT CONTROL 14 CURRENT SENSE 13 AUX COMP HYSTERESIS 12 AUX COMP INPUT 11 EXTERNAL SYNC IN TOP VIEW FEEDBACK VOLTAGE 8 VZ 9 ERROR AMP OUT 10 SL00388 Figure 1.
Pin Configuration FEATURES • Stabilized power supply • Temperature-compensated reference source • Sawtooth generator • Pulse width modulator • Remote on/off switching • Current limiting (2 levels) ORDERING INFORMATION DESCRIPTION 20-Pin Plastic Small Outline (SO) Package 20-Pin Plastic Dual In-Line Package (DIP) 20-Pin Ceramic Dual In-Line Package (CERDIP) • Auxiliary comparator, with adjustable hysteresis • Loop fault protection • Demagnetization/overvoltage protection • Duty cycle...


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