LR1117C Ver la hoja de datos (PDF) - Leshan Radio Company,Ltd

Número de pieza

componentes Descripción

Fabricante

LR1117C

1A Bipolar Linear Regulator

Leshan Radio Company,Ltd 

LESHAN RADIO COMPANY, LTD.

ELECTRICAL CHARACTERISTICS continued

Symbol

Vdrop

Ilimit

SVR

Imin

Iq

IAdj

Ichange

ΔV/ΔT

JC

Parameter

Conditions

Dropout Voltage

Current Limit

Iout=100mA

Iout=1A

Vin-Vout=2V, Tj=25°C

Supply Voltage Rejection f = 120Hz, VIN − VOUT = 3V + 1VPP Ripple

Minimum Load Current

Quiescent Current

Adjust Pin Current

Iadj change

Temperature coefficient

Thermal Resistance

LR1117-ADJ

LR1117-1.2V, Vin =10V

LR1117-1.5V, Vin =11V

LR1117-1.8V, Vin =12V

LR1117-2.5V,Vin =12V

LR1117-3.3V, Vin =12V

LR1117-5.0V, Vin =12V

LR1117-12.0V, Vin =20V

LR1117-ADJ

Vin =5V, 10mA≤Iout≤1A

LR1117-ADJ

Vin =5V, 10mA≤Iout≤1A

SOT-223

TO-252

Min

1

Typ

1.23

1.3

60

2

2

2

2

2

2

2

2

55

0.2

±100

20

10

Max

1.3

1.5

10

5

5

5

5

5

5

5

Tj=25C

Unit

V

V

A

dB

mA

mA

mA

mA

mA

mA

mA

mA

120

uA

10

uA

ppm

°C/W

Thermal Resistance

SOT-223 (No heat sink)

136

JA

Junction-to-Ambient

(No air flow)

TO-252 (No heat sink)

92

Note1: All test are conducted under ambient temperature 25°C and within a short period of time 20ms

Note2: Load current smaller than minimum load current of LR1117C-ADJ will lead to unstable or oscillation output.

BLOCK DIAGRAM

°C/W

Feb 2011 Ver1.2

4/10

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