SI-3120C 데이터 시트보기 (PDF) - Allegro MicroSystems

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SI-3120C

LOW-VOLTAGE, HIGH-CURRENT 1.8 V LINEAR REGULATOR

Allegro MicroSystems 

SI-3018LSA

LOW-VOLTAGE, HIGH-CURRENT

1.8 V LINEAR REGULATOR

ELECTRICAL CHARACTERISTICS at TA = +25°C, VI = VS = 3.3 V, VE = 2.0 V (unless otherwise

noted).

Limits

Characteristic

Symbol Test Conditions

Min. Typ. Max.

Units

Output Voltage

Output Volt. Temp. Coeff.

Overcurrent Limit

Line Regulation

Load Regulation

Dropout Voltage

Ground Terminal Current

Rejection Ratio

VO

VOQ

aVO

IOM

∆VO(∆VI)

∆VO(∆IO)

VImin - VO

IGND

IQ

PSRR

IO = 500 mA

VE = 0 V, Output Off

IO = 5 mA, 0°C ≤ TJ ≤ 100°C

VO = 95% of VO at IO = 500 mA

3.1 V ≤ VI = VS ≤ 3.5 V, IO = 300 mA

0 ≤ IO ≤ 1 A

IO ≤ 1 A

IO = 0 mA

VE = 0 V, IO = 0 mA

100 Hz ≤ f ≤ 120 Hz

1.764

—

—

1.2

—

—

—

—

—

—

1.800

—

±0.3

1.5

2.0

10

0.55

1.7

—

60

1.836

0.5

—

—

10

20

1.2

2.5

1.0

—

V

V

mV/°C

A

mV

mV

V

mA

µA

dB

ENABLE Input Voltage

ENABLE Input Current

Thermal Protection Temp.

Thermal Resistance

VEH

Output On

VEL

Output Off

IEH

VE = 2 V, Output On

IEL

VE = 0 V, Output Off

TJ

RθJL

To terminals 7 and 8

2.0

—

—

—

—

0.8

—

30

80

—

0

-5.0

135

150

—

—

36

—

V

V

µA

µA

°C

°C/W

Typical values are at TA = +25°C and are given for circuit design information only.

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