LR1108G-25-AA3-R データシートの表示（PDF） - Unisonic Technologies

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LR1108G-25-AA3-R

1A FAST ULTRA LOW DROPOUT LINEAR REGULATOR

Unisonic Technologies 

LR1108

CMOS IC

„ ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATINGS

UNIT

Input Voltage (Operating) (Note 10)

Input Voltage (Survival)

VIN

2.5~7.0

V

-0.3~+7.5

V

Shutdown Input Voltage

VIN(SHDN)

-0.3~VIN+0.3

V

Output Voltage (Survival), (Note 4, 5)

VOUT

-0.3~+7.5

V

IOUT (Survival)

Short Circuit Protected

Maximum Voltage for ERROR Pin

VIN+0.3

V

Maximum Operating Current (DC)

1

A

Power Dissipation (Note 2)

PD

Internally Limited

Junction Temperature

TJ

+125

°C

Operating Temperature

TOPR

-40~+125

°C

Storage Temperature

TSTG

-65~+150

°C

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.

„ THERMAL DATA

PARAMETER

SOT-223

Junction to Ambient

SOT-25

TO-252

SOT-89

SOT-223

Junction to Case

SOT-25

TO-252

SOT-89

SYMBOL

θJA

θJC

RATINGS

165

249

112

179

15

165

12

47

UNIT

℃/W

℃/W

„ ELECTRICAL CHARACTERISTICS

Limits in standard typeface are for TJ = 25°C, and limits in boldface type apply over the full operating temperature

range. (TJ = 25°C, VIN = VO(NOM) + 1V, IL = 10mA, COUT = 2.2μF, VSD = VIN-0.3V, unless otherwise specified.)

PARAMETER

SYMBOL TEST CONDITIONS MIN TYP MAX UNIT

Output Voltage Tolerance (Note 6)

VOUT

0mA ≤ IL ≤ 1A

VOUT +1 ≤ VIN≤ 7.0V

Output Voltage Line Regulation (Note 6) △VOUT VOUT+1V<VIN<7.0V

Output Voltage Load Regulation (Note 6) △VOUT/△IOUT 10mA < IL < 1A

-1.5

0

+1.5

%

-3

+3

0.05

%

0.04

%

Dropout Voltage (Note 8)

VD

IL = 1A

300 500 mV

Ground Pin Current In Normal Operation

Mode

IGND

IL = 0mA

IL = 1A

200

300

uA

Peak Output Current

IO(PEAK) (Note 2)

1

A

SHORT CIRCUIT PROTECTION

Short Circuit Current

ISC

2

A

OVER TEMPERATURE PROTECTION

Shutdown Threshold

TSHDN(THR)

165

°C

Thermal Shutdown Hysteresis

TSHDN(HYS)

10

°C

SHUTDOWN INPUT

Shutdown Threshold

VSHDN

Output = High

Output = Low

VIN-0.3 VIN

V

0

0.2

Turn-off Delay

tD(OFF)

IL = 1A

20

μs

Turn-on Delay

tD(ON)

IL = 1A

25

μs

SD Input Current

ISD

VSD = VIN

1

nA

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

4 of 6

QW-R102-031.I

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