UZ1085-15-TQ3-R View Datasheet(PDF) - Unisonic Technologies

Part Name

Description

MFG CO.

UZ1085-15-TQ3-R

3A ADJUSTABLE/FIXED LOW DROPOUT LINEAR REGULATOR

Unisonic Technologies 

UZ1085

LINEAR INTEGRATED CIRCUIT

„ ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATINGS

UNIT

Input Voltage

VIN

18

V

(VIN - VOUT) ×IOUT

See Figure 1

Junction Temperature

TJ

+125

°C

Operating Temperature

TOPR

-40 ~ +85

°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.

„ THERMAL DATA

PARAMETER

Junction to Ambient

Junction to Case

TO-252

TO-220

TO-263

TO-252

TO-220

TO-263

SYMBOL

θJA

θJC

RATINGS

118

62

62

12

4

4

UNIT

°C/W

°C/W

°C/W

°C/W

°C/W

°C/W

„ ELECTRICAL CHARACTERISTICS (Ta=25°C, COUT=22μF, unless otherwise specified.)

For UZ1085-ADJ (Adjustable)

PARAMETER

SYMBOL

TEST CONDITIONS

Reference Voltage

VREF

1.5V≤(VIN - VOUT) ≤8.25V

10mA≤IOUT≤3A

Line Regulation

Load Regulation

Dropout Voltage

△VOUT

△VOUT

VD

(VOUT +1.5V) ≤VIN≤12V,

IOUT=10mA

(VIN - VOUT)=3V, 10mA≤IOUT≤3A

△VREF%=1%, lOUT=3A

Current Limit

ILIMIT (VIN-VOUT)=2V

Adjust Pin Current

Iadj

Adjust Pin Current Change

△Iadj 1.5V≤ (VIN - VOUT) ≤12V

10mA≤IOUT≤3A

Minimum Load Current

IO(MIN) 1.5V≤ (VIN-VOUT) ≤12V

Quiescent Current

IQ VIN=12V

Ripple Rejection

RR f=120Hz,Tantalum,(VIN–VOUT)=3V

IOUT=3A

Thermal Regulation

Ta=25°C,30ms pulse

Temperature Stability

Long-Term Stability

ΔVOUT

ΔVOUT Ta=125°C, 1000hr

Output Noise(% of VOUT)

eN Ta=25°C,10Hz≤f≤10kHz

Thermal Shutdown

MIN. TYP. MAX. UNIT

1.225 1.25 1.275 V

0.005 0.2 %

0.05 0.5 %

1.30 1.40 V

3.1

4

A

35 120 μA

0.2

5

μA

10 mA

4

13 mA

60 72

dB

0.004 0.02

0.5

0.03 1.0

0.003

150

%/W

%

%

%

°C

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

3 of 7

QW-R102-013,G

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