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MC33157

Features: • Main oscillator is current controlled, making it easy to set up by a single external resistor. On top of that, such a feature is useful to implement a dimming function by frequency shift.• Filament preheating time control builtin• The strike sequence is controllable b...

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SeekIC No. : 004415652 Detail

MC33157: Features: • Main oscillator is current controlled, making it easy to set up by a single external resistor. On top of that, such a feature is useful to implement a dimming function by frequency...

MC33157 Data Sheet

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Part Number:
MC33157
Supply Ability:
5000

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

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Product Details

Description



Features:

• Main oscillator is current controlled, making it easy to set up by a single external resistor. On top of that, such a feature is useful to implement a dimming function by frequency shift.
• Filament preheating time control builtin
• The strike sequence is controllable by external passive components, the resonnant frequency being independently adjustable. This frequency can be made different from the preheating and the steady state values. A frequency sweep between two defined values makes this IC suitable for any series resonnant topologies.
• Dedicated internal comparator provides an easy lamp strike detection implementation.
• Digital RESET pin provides a fast reset of the system (less than 10ms). Both output MOSFET are set to "OFF" state when RESET is zero.
• Adjustable dead time makes the product suitable for any snubber capacitor and size of MOSFET used as power switches
• Designed to be used with standard setting capacitors 3 470nF
• A voltage reference, derived from the internal bandgap, is provided for external usage. This voltage is 100% trimmed at probe level yielding a 2% tolerance over the temperature range


Pinout

Connection Diagram


Specifications

Rating Symbol Value Unit
High Side Max Voltage VHS 600 V
Differential Max Voltage VHS-VOUT VHS 16 V
High Side Output Voltage Range VHO VOUT0.3to VHS+0.3 V
Low Side Output Voltage Range VLO 0.3 to +16 V
Max VHS Allowable Slew Rate dVHS/dt ±10 V/ns
Max VHO/VLO Allowable Slew Rate dVHO/dt, dVLO/dt ±10 V/ns
Suuply Voltage (Note1)
Maximum Power Dissipation@TA=50
Thermal Resistance JunctiontoAir
Operating Junction Temperature 		VDD
PD
RJA
TJ		 16
600
140
-40to150		 V
mW
/W
Storage Temperature Range Tstg -65to150
Electrostatic Discharge [HBM] ESD 2.0 KV



Description

The MC33157 includes the oscillator circuit and two output channels to control a halfbridge power stage.
One of the channels is groundreferenced. The second one is floating to provide a bootstrap operation for the high side switch.




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