Datasheet > ASPL8801

ASPL8801

更新时间： 2024-05-23 22:21:52

品牌	Logo	应用领域
安森德 - ASDsemi		/
页数	文件大小	规格书
51页	2896K
描述
DFN2*2-6/SOT23-5 /SOT89-3

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ASPL8801 数据手册

ASPL8801

Low Noise High PSRR 1 Ch 500mA/1A Alternative LDO

MAIN FEATURES

FUNCTIONAL DESCRIPTION

⚫

Supply Current (no load) : 85μA (typ.)

Supply Current (Standby) : 0.1μA (typ.)

Dropout Voltage: 156mV(TDFN2020-6,

Iout=1A, Vout=1.8V, typ.)

The ASPL8801 series is a CMOS-based positive

low-dropout linear regulator (LDO) featuring

500 mA/ 1.0A that provides high PSRR, high

output voltage accuracy, low-noise and low

supply current

⚫

High-PSRR

95dB (f=5kHz, Iout=10mA, lower Vout )

85dB (f=5kHz, Iout=150mA, lower Vout )

Output Noise: 10μVrms (10-100KHz, 0.85V

output voltage settings, typ.)

Line Regulation: 0.01%/V

It consists of a voltage reference, an error

amplifier, a resistor-ladder for output voltage

setting. It also has under-voltage lockout

(UVLO), over current/short circuit protection

circuit and over temperature shutdown circuit.

⚫

Fixed Mode Voltage Range: 0.85V to 4.3V

with 0.05V step.

⚫

Adjustable Mode Voltage Range: 0.85V to

4.3V.

The ASPL8801 typically has 90mV dropout

voltage

(TDFN2020-6,Iout=500mA,Vout=1.8V)

Built-in Short Current Protection Limit:

120mA (LCON=’H’, 1.0A, typ.)

Bulit-in Peak Current Protection Limit:

1.7A (LCON=’H’, 1.0A, typ.)

and 180mA dropout voltage (TDFN2020-6,

Iout=1A, Vout=1.8V) and chip enable function

(EN) for long battery life.

Over Temperature Protection and Auto

Recover

Excellent ripple rejection, load transient and

line transient response make it ideal for the

power sources of mobile communication

devices or camera modules in low light

condition. It can also turn on under full load

condition, making it suitable for harsh system

environment.

⚫

Built-in Soft-Start and Inrush Current Limit

Fast Auto Discharge Function for Power

Down

APPLICATIONS

⚫

Portable Device , Tablets and Smartphone

Cameras, VCRs and Car Dash Cameras

Low Light & Low Noise Cam Application

Communications and Infrastructure

AR or VR Application

The ASPL8801 series LDOs have option

for output current limit between 1.0A or

500mA by alternating the LCON pin between

“H” or “L” for TDFN2020-6 package version.

Ascend Semicondutor Co.,Ltd

NOV 2020 Version2.3

1/51

12 3 4 5 6 7...51

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