AMS1117 datasheet(3/7 Pages) ARTSCHIP

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AMS1117

800mA LOW DROPOUT VOLTAGE REGULATOR

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ELECTRICAL CHARACTERISTICS

Electrical Characteristics at IOUT=0mA, and TJ=+25℃ unless otherwise specified.

Parameter

Device

Conditions

Min

Typ

Max

Units

Load Regulation

(Note 2,3)

AMS1117-2.85

VIN =5V, 0≤IOUT ≤800mA

AMS1117-3.3

VIN =5V, 0≤IOUT ≤800mA

AMS1117-5.0

VIN =8V, 0≤IOUT ≤800mA

Dropout Voltage

(VIN - VOUT)

AMS1117-1.5/-1.8/-2.5/-

2.85/-3.3/-5.0

VOUT,ΔVREF=1%,0≤IOUT =800mA (Note 4)

1.1

1.3

Current Limit

AMS1117-1.5/-1.8/-2.5/-

2.85/-3.3/-5.0

(VIN - VOUT)=5V

900

1,100

1,500

Minimum Load

Current

AMS1117

(VIN - VOUT)=12V (Note 5)

Quiescent Current

AMS1117-1.5/-1.8/-2.5/-

2.85/-3.3/-5.0

VIN ≤12V

Ripple Rejection

AMS1117

f=120Hz, COUT=22µF Tantalum, IOUT=800mA,

(VIN - VOUT)=3V, CADJ=10µF

AMS1117-1.5/-1.8/-2.5/-

2.85

f=120Hz, COUT=22µF Tantalum, IOUT=800mA,

VIN =6V

AMS1117-3.3

f=120Hz, COUT=22µF Tantalum, IOUT=800mA,

VIN=6.3V

AMS1117-5.0

f=120Hz, COUT=22µF Tantalum, IOUT=800mA,

VIN=8V

Thermal Regulation

AMS1117

TA=25℃, 30ms pulse

0.008

0.04

Adjust Pin Current

AMS1117

10mA≤IOUT ≤800mA, 1.5≤(VIN-VOUT) ≤12V

120

µA

Adjust Pin Current

Change

AMS1117

10mA≤IOUT≤800mA, 1.5V≤(VIN - VOUT) ≤12V

0.2

µA

Temperature Stability

0.5

Long Term Stability

TA=125℃,1000Hrs

0.3

RMS Output Noise

(% of VOUT)

TA=25℃,10Hz≤f≤10kHz

0.003

Thermal Resistance

Junction-to-Case

℃

Parameters identified with boldface type apply over the full operating temperature range.

Note 1:

Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. For guaranteed specifications and

test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed.

Note 2:

Line and Load regulation are guaranteed up to the maximum power dissipation of 1.2W. Power dissipation is determined by

the input/output differential and the output current. Guaranteed maximum power dissipation will not be available over the full

input/output range.

Note 3:

See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation are

measured at a constant junction temperature by low duty cycle pulse testing. Load regulation is measured at the output lead~1/8” from

the package.

Note 4:

Dropout voltage is specified over the full output current range of the device.

Note 5:

Minimum load current is defined as the minimum output current required to maintain regulation. When 1.5V ≤(VIN-VOUT) ≤12v

the device is guaranteed to regulate if the output current is greater than 10mA.

AMS1117 Datasheet(PDF) 3 Page - ARTSCHIP ELECTRONICS CO.,LMITED.

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