LP3987H datasheet(4/9 Pages) POWER

tên linh kiện	LP3987H

Giải thích chi tiết về linh kiện	Ultra-Low-Noise for RF Application

PDF	9 Pages

Scroll/Zoom	100%

nhà sản xuất	POWER [Lowpower Semiconductor inc]

Trang chủ	http://www.lowpowersemi.com

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4 / 9 page

Preliminary Datasheet

LP3987H

LP3987H – 02 Version 1.2 May.-2013

Email: marketing@lowpowersemi.com

www.lowpowersemi.com

Page 4 of 9

Electrical Characteristics

(VIN = VOUT + 1V, Cin = Cout = 1µF, TA = 25° C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ.

Max

Units

Output Voltage Accuracy

ΔVOUT

IOUT = 1mA

−2

Output Current

Iout

VEN=VIN, VIN>2.5V

600

Current Limit

ILIM

RLOAD = 1Ω

800

Quiescent Current

VEN≥1.4V,Output floating

130

μA

Dropout Voltage

VDROP

IOUT=100mA,VOUT> 2.8V

IOUT=300mA,VOUT> 2.8V

150

200

Line Regulation

ΔVLINE

VIN=(VOUT+1V) to 5.5V,

IOUT = 1mA

0.2

Load Regulation

ΔLOAD

1mA < IOUT < 300mA

0.2

Standby Current

ISTBY

VEN = GND, Shutdown

0.01

μA

EN Input Bias Current

IIBSD

VEN = GND or VIN

100

EN Threshold

Logic-Low

Voltage

VIL

VIN = 3V to 5.5V,

Shutdown

0.4

Logic-High

Voltage

VIH

VIN = 3V to 5.5V,

Start-Up

1.4

Output Noise Voltage

10Hz to 100kHz,

IOUT=200mA, Cout=1µF

100

uVRMS

Power Supply

f = 1kHz

PSRR

-80

Rejection Rate

f = 10kHz

Cout = 1µF,

IOUT = 10mA

-68

Thermal Shutdown Temperature

TSD

165

°C

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