Datasheet > LP2982AIBP-2.8

LP2982AIBP-2.8

更新时间： 2022-11-25 09:31:07

品牌	Logo	应用领域
美国国家半导体 - NSC		稳压器
页数	文件大小	规格书
17页	414K
描述
Micropower 50 mA Ultra Low-Dropout Regulator

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数据手册

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LP2982AIBP-2.8 数据手册

Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Power Dissipation (Note 3)

Input Supply Voltage (Survival)

Input Supply Voltage (Operating)

Shutdown Input Voltage (Survival)

Output Voltage (Survival, (Note 4))

I_OUT(Survival)

Internally Limited

−0.3V to +16V

2.1V to +16V

−0.3V to +16V

−0.3V to +9V

Storage Temperature Range

−65˚C to +150˚C

−40˚C to +125˚C

260˚C

Short Circuit Protected

Operating Junction Temperature Range

Lead Temperature (Soldering, 5 sec.)

ESD Rating (Note 2)

Input-Output Voltage (Survival, (Note 5))

−0.3V to +16V

2 kV

Electrical Characteristics

Limits in standard typeface are for T_J= 25˚C, and limits in boldface type apply over the full operating temperature range. Un-

less otherwise specified: V_IN= V_O(NOM)+ 1V, I_L= 1 mA, C_IN= 1 µF, C_OUT= 4.7 µF, V_ON/OFF= 2V.

Symbol

Parameter

Conditions

Typ

LP2982AI-X.X

LP2982I-X.X

Units

(Note 6)

Min

Max

Min

Max

∆V_O

Output Voltage

Tolerance

I_L= 1 mA

−1.0

+1.0

−1.5

+1.5

%V_NOM

1 mA I_L50 mA

−1.5

+1.5

+2.0

−2.0

+2.0

+3.5

−2.0

−3.5

Output Voltage Line

Regulation

V_O(NOM)+ 1V ≤ V_IN≤ 16V

0.007

0.014

%/V

0.032

V_IN–V_O

Dropout Voltage

(Note 7)

I_L= 0

I_L= 1 mA

I_L= 10 mA

I_L= 50 mA

I_L= 0

120

150

225

150

225

I_GND

Ground Pin Current

125

110

170

220

460

600

1200

0.8

2.0

125

110

170

220

460

600

1200

0.8

2.0

I_L= 1 mA

I_L= 10 mA

I_L= 50 mA

140

375

µA

V_ON/OFF0.3V

0.01

0.10

1.4

V_ON/OFF0.15V

V_ON/OFF

I_ON/OFF

I_O(PK)

ON/OFF Input Voltage

(Note 8)

High = O/P ON

Low = O/P OFF

V_ON/OFF= 0

1.6

0.55

0.01

0.15

−2

0.15

−2

ON/OFF Input Current

µA

V_ON/OFF= 5V

V_OUT≥ V_O(NOM)− 5%

I_L= 80 mA

Peak Output Current

Dropout Voltage

150

180

100

V_IN–V_O

225

325

225

325

I_GND

Ground Pin Current

I_L= 80 mA

525

750

µA

µV

1400

e_n

Output Noise Voltage

(RMS)

BW = 300 Hz–50 kHz,

C_OUT= 10 µF

C_BYPASS= 0.01 µF

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