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MC34167

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• Unde...

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MC34167: 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• Precis...

MC34167 Data Sheet

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Part Number:
MC34167
Supply Ability:
5000

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

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Upload time: 2024/11/27

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Product Details

Description



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


Specifications

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



Description

    The MC34167, MC33167 series are high performance fixed frequency power switching regulators that contain the primary functions required for dctodc converters. MC34167, MC33167 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.

    MC34167, MC33167 series 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.

     MC34167, MC33167 series 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.




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