ADJ datasheet(9/21 Pages) TAITRON

9 / 21 page

1A Low Dropout Positive Voltage Regulator

Rev. A/LX

LD1117A12/ADJ -LD1117A50/ADJ

www.taitroncomponents.com

Page 9 of 21

1.0

1.1

∆VLINE ,∆VLOAD =1%,IO=100mA

1.08

1.18

∆VLINE ,∆VLOAD =1%,IO=500mA

Dropout Voltage

1.15

1.25

∆VLINE ,∆VLOAD =1%,IO=1A

Output Noise Voltage

0.003

10Hz≤f≤10KHz,TA=25°C

PSRR

Power Supply Ripple Rejection

Ratio

VIN-VO=3V, IO=1A, f=120Hz

CO=22uF Tantalum

Temperature Stability

0.5

Long-term Temperature Stability

0.3

TA=125°C,1000hrs

SOT-223

SOT-89

TO-220

DPAK

Thermal

Resistance

D2PAK

° C/W

For LD1117A15 (VIN≤10V, TJ=25°C, unless otherwise specified)

LD1117A15

Symbol

Description

Min.

Type.

Max.

Unit

Test Conditions

1.485

1.5

1.515

VIN =3.5V, IO=10mA

Output Voltage

1.470

1.5

1.530

3.0V≤VIN≤10V,10mA≤IO≤1A

∆VLINE

Line Regulation

1.5V≤VIN-VO≤10V, IO=10mA

∆VLOAD

Load Regulation

VIN-VO=2V,10mA≤IO≤1A

ILIMIT

Current Limit

1.25

1.35

VIN-VO=2V

Quiescent Current

VIN-VO=1.25V

1.0

1.1

∆VLINE ,∆VLOAD =1%,IO=100mA

1.08

1.18

∆VLINE ,∆VLOAD =1%,IO=500mA

Dropout Voltage

1.15

1.25

∆VLINE ,∆VLOAD =1%,IO=1A

Output Noise Voltage

0.003

10Hz≤f≤10KHz,TA=25°C

PSRR

Power Supply Ripple Rejection

Ratio

VIN-VO=3V, IO=1A, f=120Hz

CO=22uF Tantalum

Temperature Stability

0.5

Long-term Temperature Stability

0.3

TA=125°C,1000hrs

SOT-223

SOT-89

TO-220

DPAK

Thermal

Resistance

D2PAK

° C/W

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