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MFG:MC Package Cooled:TO-220 D/C:05+
Part Number: MC33167
MFG: MC
Package Cooled: TO-220
D/C: 05+
Description: The MC34167, MC33167 series are high performance fixed frequency power switching re...
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MC33167
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DataSheet
General Description
MC33167 General Description
The MC34167, MC33167 series are high performance fixed frequency power switching regulators that contain the primary functions required for dctodc converters. This series was specifically designed to be incorporated in stepdown and voltageinverting configurations with a minimum number of external components and can also be used cost effectively in stepup applications.
These devices consist of an internal temperature compensated reference, fixed frequency oscillator with onchip timing components, latching pulse width modulator for single pulse metering, high gain error amplifier, and a high current output switch.
Protective features consist of cyclebycycle current limiting, undervoltage lockout, and thermal shutdown. Also included is a low power standby mode that reduces power supply current to 36 µA.
MC33167 Maximum Ratings
| Rating | Symbol | Value | Unit |
| Power Supply Input Voltage |
VCC | 40 | V |
| Switch Output Voltage Range | VO(switch) | 2.0 to +Vin | V |
| Voltage Feedback and Compensation Input Voltage Range |
VFB, VComp |
1.0 to +7.0 | V |
| Power Dissipation Case 314B and 314D (TO220 Type) TA= 25°C Thermal Resistance,JunctiontoAmbient Thermal Resistance,JunctiontoCase Case 936A (D2PAK) [Note 1]TA= 90°C Thermal Resistance, JunctiontoAmbient Thermal Resistance, JunctiontoCase |
PD RJA RJC PD RJA RJC |
Internally Limited6 65 5.0 Internally Limited 70 5.0 |
W °C/W °C/W W °C/W °C/W |
| Operating Ambient Temperature (Note 3) MC34167 MC33167 |
TA | 0 to +70 40 to +85 |
° C |
| Storage Temperature Range | Tstg | 65 to +150 | ° C |
MC33167 Features
• Output Switch Current in Excess of 5.0 A
• Fixed Frequency Oscillator (72 kHz) with OnChip Timing
• Provides 5.05 V Output without External Resistor Divider
• Precision 2% Reference
• 0% to 95% Output Duty Cycle
• CyclebyCycle Current Limiting
• Undervoltage Lockout with Hysteresis
• Internal Thermal Shutdown
• Operation from 7.5 V to 40 V
• Standby Mode Reduces Power Supply Current to 36 µA
• Economical 5Lead TO220 Package with Two Optional Leadforms
• Also Available in Surface Mount D2 PAK Package
• Fixed Frequency Oscillator (72 kHz) with OnChip Timing
• Provides 5.05 V Output without External Resistor Divider
• Precision 2% Reference
• 0% to 95% Output Duty Cycle
• CyclebyCycle Current Limiting
• Undervoltage Lockout with Hysteresis
• Internal Thermal Shutdown
• Operation from 7.5 V to 40 V
• Standby Mode Reduces Power Supply Current to 36 µA
• Economical 5Lead TO220 Package with Two Optional Leadforms
• Also Available in Surface Mount D2 PAK Package
MC33167
PDF/DataSheet Download
- Datasheet: MC33167
- File Size: 418810 KB
- Manufacturer:
- Click here to Download
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