Datasheet > LD3985G15R

LD3985G15R

更新时间： 2024-02-06 17:00:04

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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LD3985G15R 数据手册

LD3985 SERIES

Symbol

Parameter

Test Conditions

Capacitance (Note 6)

ESR

Min.

Typ.

Max.

Unit

Output Capacitor

µF

5000

mΩ

Note 1 – For V

Note 2 – For V

< 2V, V = 2.5V

O(NOM)

= 1.25V, V = 2.5V

Note 3 – Dropout voltage is the input-to-output voltage difference at which the output voltage is 100mV below its nominal value. This speci-

fication does not apply for input voltages below 2.5V.

Note 4 – Turn-on time is time measured between the enable input just exceeding V

of its nominal value

High Value and the output voltage just reaching 95%

INH

Note 5 – Typical thermal protection hysteresis is 20°C

Note 6 - The minimum capacitor value is 1µF, anyway the LD3985 is still stable if the compensation capacitor has a 30% tolerance in all

temperature range.

TYPICAL PERFORMANCE CHARACTERISTICS (T = 25°C, V = V

+0.5V, C = C = 1µF,

I O

O(NOM)

= 10nF, I = 1mA, V

= 1.4V, unless otherwise specified)

BYP

INH

Figure 4: Output Voltage vs Temperature

Figure 6: Output Voltage vs Temperature

Figure 5: Output Voltage vs Temperature

Figure 7: Shutdown Voltage vs Temperature

5/14

1 2 3 456 7 8...14

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