LD3117G-AD-AE3-I-R datasheet(3/4 Pages) UTC

3 / 4 page

LD3117

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 4

www.unisonic.com.tw

QW-R102-104.a



ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATINGS

UNIT

Input Voltage VIN

VIN

-0.3 ~ +20

Power Dissipation

295

Operating Temperature

TOPR

-40 ~ +85

°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

SYMBOL

RATINGS

UNIT

Junction to Ambient

θJA

335

°C/W



ELECTRICAL CHARACTERISTICS (TA=25°C, CIN=1μF, COUT=10μF, unless otherwise specified)

For LD3117-1.5V, 1.8V, 2.2V, 2.5V, 2.7V, 2.8V, 2.9V, 3.0V

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

1.47

1.50

1.53

1.77

1.80

1.83

2.16

2.20

2.24

2.45

2.50

2.55

2.65

2.70

2.75

2.74

2.80

2.86

2.84

2.90

2.96

Output Voltage

VOUT

IL=2mA, VIN-VOUT=1.4V

2.94

3.00

3.06

Dropout Voltage (Note 4,5)

IL=500mA

1.5

Line Regulation

∆VOUT

IL=2mA, VIN-VOUT=2V ~ VIN=9V

0.5

%VOUT

Load Regulation (Note 2)

∆VOUT

IL=2mA ~ 500mA, VIN-VOUT =2V

Current Limit (Note 3)

ILIMIT

VIN-VOUT=2V, VOUT=0V

550

Standby Current

IST-BY

IL=0, VIN=9V

5.0

For LD3117-ADJ 3.3V, 3.5V, 3.6V, 3.7V, 4.7V, 5.0V

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ADJUSTABLE (R1=120Ω, R2=200Ω, VOUT=3.3V)

Reference Voltage

VREF

VIN-VOUT=2V, IL=2mA

1.238 1.250 1.262

3.23

3.30

3.37

3.43

3.50

3.57

3.53

3.60

3.67

3.63

3.70

3.77

4.61

4.70

4.79

Output Voltage-LD3117

VOUT

IL=2mA, VIN-VOUT=1.4V

4.90

5.00

5.10

LD3117

IL=500mA

1.3

Dropout Voltage

(Notes 4, 5)

LD3117-ADJ

IL=500mA

1.5

Line Regulation

∆VOUT

IL=2mA, VIN-VOUT=2V ~ VIN=12V

0.5

%VOUT

Load Regulation

(Note 2)

∆VOUT

IL=2mA ~ 500mA, VIN-VOUT =2V

Current Limit (Note 3)

ILIMIT

VIN-VOUT=2V, VOUT=0V

550

Standby current

IST-BY

IL=0, VIN=12V

5.0

Adjust Pin Current

IADJ

VIN=12V

200

μA

Adjust Pin Current Change

∆IADJ

VIN=2.75V~12V, IL=1mA~500mA

μA

Notes: 1. Guaranteed by design.

Note 2. Regulation is measured at constant junction temperature, using pulsed ON time.

Note 3. Current Limit is measured at constant junction temperature, using pulsed ON time.

Note 4. Dropout is measured at constant junction temperature, using pulsed ON time, and the criterion is VOUT

inside target value±2%.

Note 5: Dropout test is skipped at the condition of VIN<3V.

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