UR5512-TN5-R datasheet(4/7 Pages) ETL

4 / 7 page

UR5512

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 7

www.unisonic.com.tw

QW-R101-017,D

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATING

UNIT

VCNTL Control Voltage

VCNTL

-0.2 ~ 7

VIN Supply Voltage

VIN

-0.2 ~ 6

Power Dissipation

Internally Limited

Junction Temperature

+125

°C

Storage Temperature

TSTG

-40 ~ +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.

RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

RANGE

UNIT

VCNTL Control Voltage (Note 1)

VCNTL

3.1 ~ 6

VIN Supply Voltage

VIN

1.6 ~ 5.5

VREF Input Voltage

VREF

0.85 ~ 1.75

VOUT Output Voltage (Note 2)

VOUT

VREF ± 0.02

VOUT Output Current

IOUT

-2 ~ +2

Junction Temperature

0 ~ +125

°C

Notes: 1. Please always keep VCNTL-VOUT>1.9V for good regulation.

2. The VOUT tracks the VREF with additional voltage offset and load regulation.

ELECTRICAL CHARACTERISTICS

(VIN = 1.8V, VCNTL = 5V, VREFEN = 0.5VIN), Ta = 25°C, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INPUT CURRENT

IOUT = 0A

Operation Current of VCNTL

ICNTL

VREF=GND (Shutdown)

1.9

VREF =1.25V

200

500

Current into VREF Pin

IREF

VREF = GND (Shutdown)

µA

Standby Current

ISTB

VREF < 0.2V, RLOAD = 180Ω

µA

OUTPUT VOLTAGE

Output Voltage Offset (VOUT - VREF)

VO(OFF)

IOUT = 0A

-20

+20

Load Regulation

ΔVLOAD

IOUT = ±1.5A

-20

+20

PROTECTION

Current limit

ILIMIT

2.0

Thermal Shutdown Temperature

TSD

VCNTL = 5V

125

180

°C

Thermal Shutdown Hysteresis

ΔTSD

VCNTL = 5V

°C

REFEN Shutdown

VIH

Enable

0.6

Shutdown Threshold

VIL

Shutdown

0.15

UR5512-TN5-R Datasheet(PDF) 4 Page - E-Tech Electronics LTD

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