UTCLD1117 datasheet(7/12 Pages) UTC

7 / 12 page

UTCLD1117/A LINEAR INTEGRATED CIRCUIT

UTC UNISONIC TECHNOLOGIES CO., LTD.

QW-R102-006,H

PARAMETER

SYMBOL

TEST CONDITIONS

MIN.

TYP.

MAX.

UNIT

Dropout Voltage

Io=100mA

Io=500mA

Io=800mA

Io=1000mA

1.00

1.05

1.10

1.15

1.10

1.15

1.20

1.25

Thermal Regulation

Ta=25

°C, 30ms Pulse

0.01

0.10

%/W

UTC LD1117/A-ADJUSTABLE ELECTRICAL CHARACTERISTICS

(refer to the test circuits, Tj=0 to 125

°C, Co=10µF unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN.

TYP.

MAX.

UNIT

Reference Voltage

Vref

Vin-VO=2V, Io=10mA, Tj=25

°C

1.238

1.25

1.262

Reference Voltage

Vref

Io=10 to 800/1000mA, Vin-Vo=1.4 to

10V

1.225

1.275

Line Regulation

∆Vo

Vin-Vo=1.5 to 13.75V, Io=10mA

0.035

0.200

Load Regulation

∆Vo

Vin-Vo=3V, Io=10 to 800/1000mA

0.10

0.400

Temperature stability

∆Vo

0.50

Long Term Stability

∆Vo

1000 hrs, Tj=125

°C

0.3

Operating Input Voltage

Vin

Adjustment Pin Current

Iadj

Vin

≤15V

120

µA

Adjustment Pin Current

Change

∆Iadj

Vin-Vo=1.4 to 10V,

Io=10 to 800/1000mA

µA

Minimum Load Current

Io(min)

Vin=15V

Output Current

Vin-Vo=5V, Tj=25

°C

800

950

1200

Output Noise (%Vo)

B=10Hz to 10KHz, Tj=25

°C

0.003

Supply Voltage

Rejection

SVR

Io=40mA, f=120Hz, Tj=25

°C,

Vin-Vo=3V, Vripple=1Vpp

Dropout Voltage

Io=100mA

Io=500mA

Io=800mA

Io=1000mA

1.00

1.05

1.10

1.15

1.10

1.15

1.20

1.25

Thermal Regulation

Ta=25

°C, 30ms Pulse

0.01

0.10

%/W

TYPICAL APPLICATIONS

FIG.1 Negative Supply

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