LP5910-0.9YKAR datasheet(5/29 Pages) TI1

Part #	LP5910-0.9YKAR

Description	LP5910 300-mA Ultra-Low-Noise LDO for RF and Analog Circuits - Requires No Bypass Capacitor

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Manufacturer	TI1 [Texas Instruments]

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5

LP5910

www.ti.com

SNVSA91C – SEPTEMBER 2015 – REVISED JUNE 2016

Product Folder Links: LP5910

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(1)

All voltages are with respect to the device GND pin.

(2)

Minimum and maximum limits are ensured through test, design, or statistical correlation over the TJ range of –40°C to 125°C, unless

otherwise stated. Typical values represent the most likely parametric norm at TA = 25°C, and are provided for reference purposes only.

(3)

CIN, COUT: Low-ESR Surface-Mount-Ceramic Capacitors (MLCCs) used in setting electrical characteristics.

(4)

The device maintains a stable, regulated output voltage without a load current.

(5)

Quiescent current is defined here as the difference in current between the input voltage source and the load at VOUT. IQ = (IIN – IOUT)

(6)

Output reverse current (IRO) is measured at the IN pin.

(7)

Ground current is defined here as the total current flowing to ground as a result of all input voltages applied to the device.

(8)

Dropout voltage is the voltage difference between the input and the output at which the output voltage drops to 100 mV below its

nominal value. Dropout voltage is not a valid condition for output voltages less than 1.3 V as compliance with the minimum operating

input voltage can not be ensured.

(9)

This specification is verified by design.

6.5 Electrical Characteristics

Unless otherwise specified, VIN = VOUT(NOM) + 0.5 V, VEN = 1 V, IOUT = 1 mA, CIN = 1 µF, COUT = 1 µF.

(1) (2) (3)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ΔVOUT

Output voltage tolerance

VIN = (VOUT(NOM) + 0.5 V) to 3.3 V,

IOUT = 1 mA to 300 mA

–2

2

%VOUT

Line regulation

VIN = (VOUT(NOM) + 0.5 V) to 3.3 V,

IOUT = 1 mA

0.01

%/V

Load regulation

IOUT = 1 mA to 300 mA

0.002

%/mA

ILOAD

Load current

See(4)

0

300

mA

IQ

Quiescent current(5)

VEN = 1 V, IOUT = 0 mA

12

25

µA

VEN = 1 V, IOUT = 300 mA

230

350

IQ(SD)

Quiescent current in

shutdown(5)

VEN = 0.3 V, –40°C ≤ TJ ≤ 85°C

0.02

2

IRO

Output reverse current(6)

VOUT > VIN

VOUT = 3.3 V, VIN = VEN = 0 V

–20

0

µA

VOUT = 3.3 V, VIN = VEN = 1.3 V

0

50

µA

IG

Ground current(7)

IOUT = 0 mA (VOUT = 2.3 V)

15

µA

VDO

Dropout voltage(8)

1.3 V

≤ VOUT < 1.5 V,

IOUT = 300 mA

DSBGA only

200

300

mV

1.5 V

≤ VOUT ≤ 2.3 V,

IOUT = 300 mA

DSBGA only

120

180

1.3 V

≤ VOUT < 1.5 V,

IOUT = 300 mA

WSON only

245

370

1.5 V

≤ VOUT ≤ 2.3 V,

IOUT = 300 mA

WSON only

145

220

ILIMIT

Output current limit

VOUT = VOUT(NOM) – 0.1 V

VIN = VOUT(NOM) + 0.5 V

450

mA

PSRR

Power supply rejection ratio(9)

ƒ = 100 Hz, IOUT = 20 mA, VOUT ≥ 1 V

80

dB

ƒ = 1 kHz, IOUT = 20 mA, VOUT ≥ 1 V

75

ƒ = 10 kHz, IOUT = 20 mA, VOUT ≥ 1 V

65

ƒ = 100 kHz, IOUT = 20 mA, VOUT ≥ 1 V

40

ƒ = 2 MHz, IOUT = 20 mA, VOUT ≥ 1 V

25

ƒ = 100 Hz, IOUT = 20 mA, 0.8 V < VOUT < 1 V

65

ƒ = 1 kHz, IOUT = 20 mA, 0.8 V < VOUT < 1 V

65

ƒ = 10 kHz, IOUT = 20 mA, 0.8 V < VOUT < 1 V

65

ƒ = 100 kHz, IOUT = 20 mA, 0.8 V < VOUT < 1 V

40

ƒ = 2 MHz, IOUT = 20 mA, 0.8 V < VOUT < 1 V

25

eN

Output noise voltage(9)

BW = 10 Hz to 100 kHz

IOUT = 1 mA

12

µVRMS

IOUT = 300 mA

12

TSD

Thermal shutdown

TJ rising until output is OFF

160

°C

Thermal hysteresis

TJ falling from shutdown

15

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