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Part Number: MIC2660
Description: The MIC2660 IttyBitty™ charge pump functions as a lowcurrent,step-up converter where conventiona...
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MIC2660
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DataSheet
General Description
MIC2660 General Description
The MIC2660 IttyBitty™ charge pump functions as a lowcurrent,step-up converter where conventional inductor based,dc-to-dc converters are too complex and expensive. This device features a complete, self-contained charge pump in a tiny 5-lead SOT-23-5 package.
The MIC2660 is powered from a 3V to 5V nominal supply and produces nominally 5V to 9V as a function of the input voltage. The output is unregulated and follows a load-line type function.
The MIC2660 can be used with or without external components.When used with two noncritical external capacitors, a 3V input will produce 5V at 3.8mA.
With no external components,a 3V input will produce 5V at 2.5mA.The MIC2660 charge pump consists of an approximately 18MHz oscillator and a voltage tripler.
The MIC2660 is available in the SOT-23-5 package and is rated for 40°C to +85°C ambient temperature range.
MIC2660 Maximum Ratings
Input Voltage (VIN) .....................................................+5.5V
Enable Voltage (VEN) ......................................... VIN + 1.3V
Ambient Temperature Range (TA) ............. 40°C to +85°C
Lead Temperature, Soldering 10sec. ........................300°C
Package Thermal Resistance
SOT-23-5 JA ....................................................... 220°C/W
SOT-23-5 JC ....................................................... 130°C/W
Enable Voltage (VEN) ......................................... VIN + 1.3V
Ambient Temperature Range (TA) ............. 40°C to +85°C
Lead Temperature, Soldering 10sec. ........................300°C
Package Thermal Resistance
SOT-23-5 JA ....................................................... 220°C/W
SOT-23-5 JC ....................................................... 130°C/W
MIC2660 Features
• 3V input produces approx. 5V unregulated output*
3.8mA with 1mF external output capacitor
2.5mA without external capacitor
• 5V input produces approx. 9V unregulated output*
4.5mA output without external capacitor
• CMOS-logic compatible enable
• ESD protected
3.8mA with 1mF external output capacitor
2.5mA without external capacitor
• 5V input produces approx. 9V unregulated output*
4.5mA output without external capacitor
• CMOS-logic compatible enable
• ESD protected
MIC2660 Typical Application
• Squib firing
• Refresh
• Burst/dump
• Low duty cycle load
• LCD bias generator
• Local 5V logic supply
• MOSFET driver
• Battery or solarcell boost
• Refresh
• Burst/dump
• Low duty cycle load
• LCD bias generator
• Local 5V logic supply
• MOSFET driver
• Battery or solarcell boost
MIC2660 Connection Diagram
MIC2660BM5
PDF/DataSheet Download
- Datasheet: MIC2660BM5
- File Size: 95964 KB
- Manufacturer: MICREL [Micrel Semiconductor]
- Click here to Download
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