L1117XG-2.85 Ver la hoja de datos (PDF) - Niko Semiconductor

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Fabricante

L1117XG-2.85

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

Niko Semiconductor 

NIKO-SEM

1A Fixed and Adjustable Low

Dropout Linear Regulator (LDO)

L1117XG Series

SOT-223, TO-252,

TO-220,TO-263

Lead-Free

ELECTRICAL CHARACTERISTICS for ADJUSTABLE(Unless otherwise specified, TA = 25°C)

Parameter Symbol

Test Conditions

Typical

Reference Voltage

(Adjustable version) VREF VIN = 5V, IOUT = 10mA

1.25V

Output Voltage

(Fixed version)

VO VIN = 5V, IOUT = 10mA

VO

Dropout Voltage

VD ΔVREF = 1%, IOUT = 1A

1.2V

Line Regulation

REG(LINE) (VOUT + 1.5V) ≤ VIN ≤ 15V, IOUT = 10mA 0.5%

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

0.5%

Minimum Load

Current

IO 1.5V ≤ (VIN -VOUT) ≤ 5.75V

10mA

Adjust Pin Current IADJ

55µA

Current Limit

ICL VIN - VOUT = 2V

1.2A

RMS Output Noise VN

0.003%

of VOUT

Ripple Rejection

Ratio

RA

f = 120Hz, CADJ = 22µF for ADJ pin,

VIN = 5V, IOUT = 1A

72dB

Limits

1.23VMin

1.27VMax

0.98VO(Min)

1.02VO(Max)

1.45V

2%

2.5%

100µA

1.1A (Min)

60dB (Min)

ELECTRICAL CHARACTERISTICS for L1117G-1.8(Unless otherwise specified, TA = 25 °C)

Parameter Symbol

Test Conditions

Typical

Output Voltage

(Fixed version)

Dropout Voltage

Line Regulation

Load Regulation

Quiescent 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

IQ

ICL VIN - VOUT = 2V

VN

RA

f = 120Hz, Co=22µF,VIN = 5V,

IOUT = 1A

VO

1.2V

0.5%

0.5%

5mA

1.2A

0.003%

of VOUT

72dB

Limits

1.764V(Min)

1.836V(Max)

1.45V

2.0%

2.0%

10mA

1.1A (Min)

60dB (Min)

2

Jun-29-2004

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