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MC33466

Features: • Low Quiescent Bias Current of 15 mA• High Output Voltage Accuracy of ±2.5%• Low Startup Voltage of 0.9 V at 1.0 mA• SoftStart = 500 us• Surface Mount PackagePinoutSpecifications Rating Symbol Value Unit Power Supply Voltage (Transient) VO 12 ...

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SeekIC No. : 004415763 Detail

MC33466: Features: • Low Quiescent Bias Current of 15 mA• High Output Voltage Accuracy of ±2.5%• Low Startup Voltage of 0.9 V at 1.0 mA• SoftStart = 500 us• Surface Mount Packag...

MC33466 Data Sheet

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Part Number:
MC33466
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • 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:

• Low Quiescent Bias Current of 15 mA
• High Output Voltage Accuracy of ±2.5%
• Low Startup Voltage of 0.9 V at 1.0 mA
• SoftStart = 500 us
• Surface Mount Package


Pinout

Connection Diagram


Specifications

Rating Symbol Value Unit
Power Supply Voltage (Transient)
 VO 12 V
Power Supply Voltage (Operating)
 VO
 8.0 V
External Pin Voltage
 VEXT
 0.3 to VO V
Lx Pin Voltage
 VLx
 12 V
EXT Pin Source/Sink Current
 IEXT 50/50 mA
Lx Pin Sink Current
 ILx 250 mA
Power Dissipation and Thermal Characteristics
 H Suffix, Plastic Package Case 1213 (SOT89)
  Maximum Power Dissipation @ TA = 25
  Thermal Resistance, JunctiontoAir		 PD
RJA		 500
200		 mW
/W
Operating Junction Temperature
 TJ 125
Operating Ambient Temperature
 TA
 30 to +80
Storage Temperature Range Tstg
 40 to +125



Description

The MC33466 series are micropower switching voltage regulators, specifically designed for handheld and laptop applications, to provide regulated output voltages using a minimum of external parts. A wide choice of output voltages are available. MC33466 series feature a very low quiescent bias current of 15 mA typical.

The MC33466HXXJT1 series features a highly accurate voltage reference, an oscillator, a pulse width modulation (PWM) controller, a driver transistor (Lx), an error amplifier and feedback resistive divider.

The MC33466HXXLT1 is identical to the MC33466HXXJT1, except that a drive pin (EXT) for an external transistor is provided.

Due to the low bias current specifications, MC33466 series are ideally suited for battery powered computer, consumer, and industrial equipment where an extension of useful battery life is desirable.




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