L1117L 데이터 시트보기 (PDF) - Niko Semiconductor

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L1117L

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

Niko Semiconductor 

NIKO-SEM

1A Fixed and Adjustable Low

Dropout Linear Regulator (LDO)

L1117 Series

SOT-223, TO-252,

TO-220,TO-263

ELECTRICAL CHARACTERISTICS for L1117-2.85(Unless otherwise specified, TA = 25 °C)

Parameter

Symbol

Test Conditions

Typical

Output Voltage

(Fixed version)

Dropout Voltage

Line Regulation

Load Regulation

Minimum Load

Current

GND Pin Current

Current Limit

VO VIN = 5V, IOUT = 10mA

VD ΔVO = 1%, IOUT = 1A

REG(LINE) (VOUT + 1.5V) ≤ VIN ≤ 8V, IOUT = 10mA

REG(LOAD) (VIN -VOUT) = 2V, 10mA ≤ IOUT ≤ 1A

IO

IGND

ICL

1.5V ≤ (VIN -VOUT) ≤ 5.75V

VIN - VOUT = 2V

RMS Output Noise VN

Ripple Rejection

Ratio

RA

f = 120Hz, Co=22Uf,VIN = 5V,

IOUT = 1A

VO

1.2V

0.5%

0.5%

10mA

55µA

1.2A

0.003%

of VOUT

72dB

Limits

2.793V(Min)

2.907V(Max)

1.45V

2.0%

2.0%

100µA

1.1A (Min)

60dB (Min)

ELECTRICAL CHARACTERISTICS for L1117-3.3(Unless otherwise specified, TA = 25 °C)

Parameter

Symbol

Test Conditions

Typical

Output Voltage

(Fixed version)

Dropout Voltage

Line Regulation

Load Regulation

Minimum Load

Current

GND Pin Current

Current Limit

RMS Output Noise

Ripple Rejection

Ratio

VO VIN = 5V, IOUT = 10mA

VD ΔVO = 1%, IOUT = 1A

REG(LINE) (VOUT + 1.5V) ≤ VIN ≤ 15V, IOUT = 10mA

REG(LOAD) (VIN -VOUT) = 2V, 10mA ≤ IOUT ≤ 1A

IO

IGND

ICL

1.5V ≤ (VIN -VOUT) ≤ 5.75V

VIN - VOUT = 2V

VN

RA

f = 120Hz, Co=22Uf,VIN = 5V,

IOUT = 1A

VO

1.2V

0.5%

0.5%

10mA

55µA

1.2A

0.003%

of VOUT

72dB

Limits

3.234V(Min)

3.367V(Max)

1.45V

2.0%

2.0%

100µA

1.1A (Min)

60dB (Min)

3

JUL-27-2001

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