AIC1660 데이터 시트보기 (PDF) - Analog Intergrations

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AIC1660

Switched-Capacitor Voltage Converter

Analog Intergrations 

n BLOCK DIAGRAM

BOOST

OSC

LV

Oscillator

÷2

Voltage

Regulator

AIC1660

Voltage

Level

Converter

Substrate

Logic

Network

VIN

CAP+

VOUT

CAP-

GND

n PIN DESCRIPTIONS

PIN 1: BOOST- The frequency of oscillator will

be 5 times if boost pin is

connected to VIN.

PIN 2: CAP+ - To be connected to the positive

side of the flying capacitor.

PIN 3: GND - Ground

PIN 4: CAP- - To be connected to the negative

side of flying capacitor.

PIN 5: VOUT - Negative output voltage, typically

connected to a 10µF capacitor.

PIN 6: LV

PIN 7: OSC

PIN 8: VIN

- If VIN is below 3V, LV should be

tied to GND. For VIN larger than

3V, LV can be floating.

- The frequency of oscillator can

be lowered by the addition of an

external capacitor to the OSC

pin, or the oscillator may be

over-driven by an external clock.

- Input supply.

5

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