UR6516B

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 6

www.unisonic.com.tw

QW-R502-449.a

ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

7

V

Output RMS Current, Source or Sink

2

A

Storage Temperature

-65~125

°C

Notes: 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.

OPERRATING RATING

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

Input Power

1

2.5/1.8/1.5

6

V

Output Voltage

V

Reference Voltage Input and Chip Enable

REFEN

V

Voltage Supply for Internal Circuits

6

V

THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Case

14

°C/W

ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output Offset Voltage (Note 2)

-20

20

mV

No load, Cout=200uF

1

mA

0.8/1.2

2/3

%

Load Regulation (DDR I/II)

｜

0.8/1.2

2/3

%

0.3

0.4

V

Dropout Voltage

0.2

0.25

V

At Room Temp.

190

230

µA

Current in Shutdown Mode

90

110

µA

Input Voltage Range (Note 3)

No Load

1

2.5/1.8

6

V

Input Voltage Range (Note 3)

3.15

3.3

6

V

Short Circuit Protection

Current Limit

5

A

Short Current

Sinking

2

A

Short Current

Sourcing

2

A

Over Thermal Protection

Thermal Shutdown Temperature

THSD

3.15V<=VCCA<=6V

125

150

155

°C

Thermal Shutdown Hysteresis

25

30

35

°C

REFEN Function

REFEN Threshold

0.4

0.5

0.6

V

Notes:

1. Maximum ratings are stress ratings only and functional device operation is not implied.

Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions

4. Guaranteed by design, not 100% test