Datasheet > LP2985-33

LP2985-33

更新时间： 2024-11-15 00:46:19

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
29页	1206K
描述
150-mA Low-noise Low-dropout Regulator With Shutdown

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LP2985

SLVS522O –JULY 2004–REVISED JANUARY 2015

LP2985 150-mA Low-noise Low-dropout Regulator With Shutdown

1 Features

3 Description

The LP2985 family of fixed-output, low-dropout

regulators offers exceptional, cost-effective

performance for both portable and nonportable

applications. Available in voltages of 1.8 V, 2.5 V, 2.8

V, 2.9 V, 3 V, 3.1 V, 3.3 V, 5 V, and 10 V, the family

has an output tolerance of 1% for the A version (1.5%

for the non-A version) and is capable of delivering

150-mA continuous load current. Standard regulator

features, such as overcurrent and overtemperature

protection, are included.

•

Output Tolerance of

–

1% (A Grade)

1.5% (Standard Grade)

•

Ultra-Low Dropout, Typically

–

280 mV at Full Load of 150 mA

7 mV at 1 mA

•

Wide V_INRange: 16 V Max

Low I_Q: 850 μA at Full Load at 150 mA

Shutdown Current: 0.01 μA Typ

Device Information⁽¹⁾

Low Noise: 30 μV_RMSWith 10-nF Bypass

PART NUMBER

LP2985

PACKAGE

BODY SIZE (NOM)

Capacitor

SOT-23 (5)

2.90 mm x 1.60 mm

•

Stable With Low-ESR Capacitors, Including

Ceramic

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

•

Overcurrent and Thermal Protection

High Peak-Current Capability

Dropout Voltage vs Temperature

0.45

ESD Protection Exceeds JESD 22

150 mA

= 3.3 V

byp

= 10 nF

–

2000-V Human-Body Model (A114-A)

200-V Machine Model (A115-A)

0.4

0.35

0.3

2 Applications

•

Portable Devices

Digital Cameras and Camcorders

CD Players

0.25

0.2

50 mA

10 mA

MP3 Players

0.15

0.1

0.05

1 mA

100 125 150

−50

−25

Temperature − (°C)

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...29

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