L1117-3.3 datasheet(4/10 Pages) ETC1

Part #	L1117-3.3

Description	1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)

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L1117 Series

SOT-223, TO-252,

TO-220,TO-263

4

1A Fixed and Adjustable Low

Dropout Linear Regulator (LDO)

JUL-27-2001

NIKO-SEM

ELECTRICAL CHARACTERISTICS for L1117-5(Unless otherwise specified, TA = 25 °C)

Parameter

Symbol

Test Conditions

Typical

Limits

Output Voltage

(Fixed version)

VO

VIN = 8V, IOUT = 10mA

VO

4.90V(Min)

5.10V(Max)

Dropout Voltage

VD

ΔVO = 1%, IOUT = 1A

1.2V

1.45V

Line Regulation

REG(LINE) (VOUT + 1.5V)

≤ VIN ≤ 15V, IOUT = 10mA 0.5%

1.0%

Load Regulation

REG(LOAD) (VIN -VOUT) = 2V, 10mA

≤ IOUT ≤ 1A

0.5%

1.0%

Minimum Load

Current

IO

1.5V

≤ (VIN -VOUT) ≤ 5.75V

10mA

GND Pin Current

IGND

55

µA

100

µA

Current Limit

ICL

VIN - VOUT = 2V

1.2A

1.1A (Min)

RMS Output Noise

VN

0.003%

of VOUT

Ripple Rejection

Ratio

RA

f = 120Hz, Co=22uf,VIN = 8V,

IOUT = 1A

72dB

60dB (Min)

DEVICE SELECTION GUIDE

Device

L1117L

L1117D

L1117L-2.5 L1117L-2.85 L1117L-3.3 L1117D-3.3 L1117L-5

Voltage Version

ADJ

2.5

2.85

3.3

5

Package

SOT-223

TO-252

SOT-223

TO-252

SOT-223

Marking

L1117L

L1117D

L1117L-2.5 L1117L-2.85 L1117L-3.3 L1117D-3.3 L1117L-5

Device

L1117D-5

L1117T

L1117T-3.3

L1117T-5

L1117S-5

Voltage Version

5

ADJ

3.3

5

Package

TO-252

TO-220

TO-263

Marking

L1117D-5

L1117T

L1117T-3.3

L1117T-5

L1117S-5

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