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Programmable negative supply IC

BD6112FVM

Description Dimension (Units : mm)

Features

Applications

BD6112FVM is a charge-pump negative supply IC

with a built-in regulator. The charge-pump block

inverts the positive supply voltage in the VBAT pin

into a negative voltage, which generates from the

NEGOUT pin. The regulator block stabilizes

this negative voltage with low-noise that produces

from the OUT pin. Output voltage values of this

regulator can be controlled by voltage value inputted

to the VIN pin and determined by OUT=—1.6 x VIN.

00W148A

1) Built-in high efficiency, inverting charge-pump

2) Built-in negative voltage regulator

(low noise, output voltage variable)

3) Built-in standby SW (pull down resistance 1MΩ)

4) Ultra small MSOP8 package

Small terminal devics such as cellular phones, PHS, and PDA etc.

Other equipments driven by battery required for negative voltage.

February, 2001

Absolute Maximum Ratings (Ta=25˚C)

Maximum applied supply voltage

Maximum applied input voltage

Power dissipation

Operating temperature range

Parameter Symbol

Limits

Unit

*Derating : 3.5mW/˚C for operation above Ta=25˚C

VBAT

VIN

Topr

+85–30

350

˚C

Storage temperature range

Tstg

+125–55

˚C

–0.3

+6.0

–0.3

+6.0

MSOP8

41 2 3

58 7 6

2.9±0.1

0.475

0.22

0.65

4.0±0.2

0.6±0.2

0.29±0.15

2.8±0.1

0.75±0.05

0.08±0.05

0.9Max.

0.08 S

+0.05

0.04

0.145

+0.05

0.03

0.08

1 2

BD6112FVM 1
Application Circuit 2

Sommario

Pagina 1 - BD6112FVM

Programmable negative supply ICBD6112FVMDescription Dimension (Units : mm)FeaturesApplicationsBD6112FVM is a charge-pump negative supply IC with a bui

Pagina 2 - Application Circuit

Power supply voltageRecommended Operating Conditions (Ta=25˚C)Parameter Min. Max. UnitTyp.SymbolCircuit current<Regulator block>Output voltage 1

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