AME8821BEEV300Z datasheet(7/15 Pages) AME

部件名	AME8821BEEV300Z

功能描述	250mA Hi-PSRR, Low-Quiescent LDO with In-Rush Current Control For USB Application

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制造商	AME [Analog Microelectronics]

网页	http://www.ame.com.tw/

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AME, Inc.

7

AME8821

250mA Hi-PSRR, Low-Quiescent LDO

with In-Rush Current Control

For USB Application

Rev.A.01

n Electrical Specifications (contd.)

Parameter

Symbol

Min

Typ

Max

Units

1000

1100

1200

500

600

650

400

550

600

400

550

600

400

550

600

Thermal Shutdown Temerature

TSHDN

150

Temerature Hysterisis

THYS

20

Output Voltage Temperature

Coefficient

TC

30

ppm

Enable Bar High (Shutdown)

VENB(HI)

Enable High (Enabled)

VEN(HI)

Enable Bar Low (Enabled)

VENB(LO)

Enable Low (Shutdown)

VEN(LO)

Enable / Enable Bar Pin

Current (Enabled)

IEN / IENB

0.1

1

µA

Shutdown Current

ISHDN

1

2

µA

20

200

450

Thermal shutdown increasing

COUT = 4.7

µF,

C(SR) = 0.47

µF

TA = 25

oC

mV

TA = 25

oC

TJ = -40

oC to 125oC

VDROP

TJ = -40

oC to 125oC

TA = 25

oC

TJ = -40

oC to 125oC

TA = 25

oC

TJ = -40

oC to 125oC

TA = 25

oC

Dropout Voltage @ VOUT =

VOUT(nom) - 2%VOUT(nom)

VOUT(nom) = 2.5V

IOUT = 250mA

VOUT(nom) = 2.85V

IOUT = 250mA

VOUT(nom) = 3V

IOUT = 250mA

VOUT(nom) = 3.3V

IOUT = 250mA

VOUT(nom) = 1.8V

IOUT = 250mA

Power Supply Ripple

Rejection

PSRR

Output Voltage Noise

eN

Test Condition

oC

100

mS

V

µVRMS

dB

Start up Time

TSTR

VOUT = 3.3V

RLOAD = 22

Ω

COUT = 10

µF

C(SR) = 0.01

µF

C(SR) = 0.1

µF

C(SR) = 0.22

µF

TA = 25

oC

ENB = VIN, EN = 0, VIN = 2.5V to 5.5V

VOUT = 3.3V, f = 1KHz,

IOUT = 100mA

COUT = 4.7

µF

C(SR) = 0.01

µF

ENB = 0, EN = VIN, VIN = 2.5V to 5.5V

TA = 25

oC

BW = 200Hz to 100KHz

IOUT = 250mA

TJ = -40

oC to 125oC

TA = 25

oC

VIN

0

0.3

65

VIN = 2.5V to 5.5V

1.4

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制造商	部件名	数据表	功能描述
Analog Microelectronics	AME8821BEEV300Z	239Kb / 15P	250mA Hi-PSRR, Low-Quiescent LDO with In-Rush Current Control For USB Application

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