LD3985G125R

更新时间： 2024-01-25 01:30:03

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		稳压器信息通信管理
页数	文件大小	规格书
14页	396K
描述
ULTRA LOW DROP-LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE

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中文翻译

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数据手册

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LD3985G125R 数据手册

LD3985 SERIES

Table 5: Electrical Characteristics For LD3985 (T = 25°C, V = V

+0.5V, C = 1µF,

O(NOM)

= 10nF, I = 1mA, V = 1.4V, unless otherwise specified)

INH

BYP

Symbol

Parameter

Test Conditions

Min.

2.5

-50

-75

-2

Typ.

Max.

Unit

Operating Input Voltage

Output Voltage < 2.5V

= 1 mA

T = -40 to 125°C

Output Voltage ≥ 2.5V

= 1 mA

% of

O(NOM)

T = -40 to 125°C

-3

∆V

Line Regulation (Note 1)

V = V

+ 0.5 to 6 VT = -40 to 125°C

-0.1

-0.19

0.1

0.19

%/V

O(NOM)

= 4.7 to 5V

∆V

Load Regulation

= 1 mA to 150mA

< 2.5V

0.002 0.008

0.0004 0.002

0.0025 0.005

1.5

%/mA

T = -40 to 125°C

= 1 mA to 150mA

≥ 2.5V

T = -40 to 125°C (for Flip-Chip)

= 1 mA to 150mA, T = -40 to 125°C

(for SOT23-5L/TSOT23-5L), V ≥ 2.5V

∆V

Output AC Line Regulation V = V

+ 1 V, I = 150mA,

O(NOM)

t = t = 30µs

Quiescent Current

ON MODE: V = 1.2V

= 0

µA

INH

= 0

T = -40 to 125°C

150

170

250

= 0 to 150mA

T = -40 to 125°C

OFF MODE: V

= 0.4V

0.003

1.5

INH

T = -40 to 125°C

Dropout Voltage (NOTE 1)

= 1mA

0.4

DROP

= 1mA

T = -40 to 125°C

= 50mA

= 100mA

= 150mA

100

T = -40 to 125°C

Short Circuit Current

R = 0

600

SVR Supply Voltage Rejection V = V

+0.25V ±

f = 1KHz

O(NOM)

= 0.1V, I = 50mA

f = 10KHz

RIPPLE

< 2.5V,

V = 2.55V

O(NOM)

Peak Output Current

≥ V - 5%

O(NOM)

300

1.2

550

0.4

O(PK)

Inhibit Input Logic Low

Inhibit Input Logic High

Inhibit Input Current

V = 2.5V to 6V

125°C

T = -40 to

INH

= 0.4V

V = 6V

±1

INH

Output Noise Voltage

Turn On Time (Note 4)

Thermal Shutdown

= 10 Hz to 100 KHz

= 1 µF

µV

RMS

= 10 nF

BYP

100

160

250

µs

Note 5

°C

SHDN

4/14

1 2 345 6 7...14

中文翻译

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