RT9018A/B Ver la hoja de datos (PDF) - Richtek Technology

Número de pieza

componentes Descripción

Fabricante

RT9018A/B

Maximum 3A, Ultra Low Dropout Regulator

Richtek Technology 

RT9018A/B

Dropout Voltage vs. Load Current

400

350

125°C

300

250

25°C

200

150

-40°C

100

50

0

0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3

Load Current (A)

Start Up from Enable

IOUT = 3A

EN

(1V/Div)

VOUT

(1V/Div)

PGOOD

(1V/Div)

IIN

(2A/Div)

Time (500μs/Div)

IOUT = 3A

Start Up from VIN

IOUT = 3A

Start Up from VDD

VIN

(1V/Div)

VOUT

(1V/Div)

PGOOD

(1V/Div)

IIN

(2A/Div)

Time (1ms/Div)

VDD

(5V/Div)

VOUT

(1V/Div)

PGOOD

(1V/Div)

IIN

(2A/Div)

Time (500μs/Div)

Short Circuit Protection

VDD = 5V, VIN = 1.8V, VOUT = 1.2V

IOUT

(1A/Div)

Time (100μs/Div)

Short Circuit Current vs. Temperature

2.6

2.4

2.2

2.0

1.8

1.6

1.4

1.2

1.0

-40 -20

0

20 40 60

Temperature (°C)

80 100

www.richtek.com

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DS9018A/B-04 September 2007

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