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MIC3172YM
DC-DC Switching Boost, Inverting Regulator, Adjustable, 3V-40V in, 1.25A out, 115kHz, SOIC-8
- Manufacturer:
- MICREL SEMICONDUCTOR MICREL SEMICONDUCTOR
- Manufacturer Part No:
- MIC3172YM
- Order Code:
- 1556714
- Technical Datasheet:
- MIC3172YM Datasheet
Product Overview
The MIC3172YM is a Current-mode Controller with internal 65V/1.25A power switches. It features external frequency synchronization or frequency adjustment, while the MIC3172 features an enable/shutdown control input. Although primarily intended for voltage step-up applications, the floating switch architecture of the MIC3172 makes it practical for step-down, inverting and Cuk configurations as well as isolated topologies. Operating from 3 to 40V, the MIC3172 draws only 7mA of quiescent current making it attractive for battery operated supplies. The MIC3172 is for applications that require on/off control of the regulator. It is externally shutdown by applying a TTL low signal to EN (enable). When disabled, the MIC3172 draws only leakage current (typically less than 1µA). EN must be high for normal operation. For applications not requiring control, EN must be tied to VIN or TTL high.
- Current-mode operation
- Internal cycle-by-cycle current limit
- Thermal shutdown
- Low external parts count
- Operates in most switching topologies
- TTL shutdown compatibility
- Fits most LT1172 sockets
- <1µA Quiescent current in shutdown mode
Applications
Computers & Computer Peripherals, Power Management
Product Information
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- :
- Boost, Buck, Cuk, Inverting
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- 3V
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- 40V
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- 1Outputs
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- SOIC
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- 8Pins
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- 1.25A
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- -
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- -
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- 115kHz
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- 85°C
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- -
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- -
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- -
Technical Docs (2)
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CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.
50 In stock
50 US stock for 4-5 days delivery
Available until stock is exhausted
HK$23.96
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Multiple: 1 Minimum: 1
| Quantity | Price | Your Price |
|---|---|---|
| 1+ | HK$23.96 | |
| 25+ | HK$19.98 | |
| 100+ | HK$18.16 | |
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