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Part Number: MC33363A
Description: The MC33363A is a monolithic high voltage switching regulator that is specifically designed to operate from a rectified...
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MC33363A
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General Description
MC33363A General Description
The MC33363A is a monolithic high voltage switching regulator that is specifically designed to operate from a rectified 240 Vac line source. This integrated circuit features an onchip 700 V/1.5 A SenseFET power switch, 500 V active offline startup FET, duty cycle controlled oscillator, current limiting comparator with a programmable threshold and leading edge blanking, latching pulse width modulator for double pulse suppression, high gain error amplifier, and a trimmed internal bandgap reference. Protective features include cyclebycycle current limiting, input undervoltage lockout with hysteresis, output overvoltage protection, and thermal shutdown. This device is available in a 16lead dualinline and wide body surface mount packages.
MC33363A Maximum Ratings
| Rating | Symbol | Value | Unit |
| Power Switch (Pin 16) Drain Voltage Drain Current |
VDS IDS |
700 1.5 |
V A |
Startup Input Voltage (Pin 1, Note 1) Pin 3 = Gnd Pin 3 1000 F to ground |
Vin |
400 500 |
V |
Power Supply Voltage (Pin 3) |
VCC |
40 |
V |
Input Voltage RangeVoltage Feedback Input (Pin 10) Compensation (Pin 9) Overvoltage Protection Input (Pin 11) R (Pin 6) TCT (Pin 7) |
VIR |
1.0 to Vreg |
V |
| Thermal Characteristics P Suffix, DualInLine Case 648E Thermal Resistance, JunctiontoAir Thermal Resistance, JunctiontoCase (Pins 4, 5, 12, 13)DW Suffix, Surface Mount Case 751N Thermal Resistance, JunctiontoAir Thermal Resistance, JunctiontoCase (Pins 4, 5, 12, 13) Refer to Figures 15 and 16 for additional thermal information. |
RJA RJC RJA RJC |
80 15 95 15 |
°C/W |
| Operating Junction Temperature | T J |
25 to +150 | |
| Storage Temperature | T stg |
55 to +150 |
MC33363A Features
• Enhanced Power Capability Over MC33363
• OnChip 700 V, 1.5 A SenseFET Power Switch
• Rectified 240 Vac Line Source Operation
• OnChip 500 V Active OffLine Startup FET
• Latching PWM for Double Pulse Suppression
• CycleByCycle Current Limiting
• Input Undervoltage Lockout with Hysteresis
• Output Overvoltage Protection Comparator
• Trimmed Internal Bandgap Reference
• Internal Thermal Shutdown
• OnChip 700 V, 1.5 A SenseFET Power Switch
• Rectified 240 Vac Line Source Operation
• OnChip 500 V Active OffLine Startup FET
• Latching PWM for Double Pulse Suppression
• CycleByCycle Current Limiting
• Input Undervoltage Lockout with Hysteresis
• Output Overvoltage Protection Comparator
• Trimmed Internal Bandgap Reference
• Internal Thermal Shutdown
MC33363A Connection Diagram
MC33363A
PDF/DataSheet Download
- Datasheet: MC33363A
- File Size: 408740 KB
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