MC3063

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

3 of 4

www.unisonic.com.tw

QW-R115-024.c



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

VIN Pin 6

VCC

0 ~ +40

V

FB Pin 5

VCII

-0.2 ~ +VCC

V

Darlington SC Pin 1

VSWC

0 ~ +40

V

Darlington SE Pin 2 (Transistor OFF)

VSWE

-0.6 ~ +VCC

V

Darlington SC to SE Pin 1~2

VSWCE

0 ~ +40

V

Darlington Switch Current

ISW

1.5

A

CS Pin 7

VIPK

-0.2 ~ VCC+0.2

V

CT Pin 3

VTCAP

-0.2 ~ +1.4

V

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.



POWER DISSIPATION AND THERMAL CHARACTERISTICS

PARAMETER

SYMBOL

RATINGS

UNIT

Operating Junction Temperature Range

TJ

0 ~ +70

°C

Maximum Junction Temperature

TJ_MAX

+150

°C

Storage Temperature Range

TSTG

-65 ~ +150

°C



THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Ambient

θJA

180

°C/W

Junction to Case

θJC

45

°C/W



ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP MAX UNIT

OSCILLATOR

Frequency

fOSC

VPin 5=0V, CT=2.2nF, TJ=25°C

110

150

190

kHz

Capacitor Discharging Current

IDISCHG

Pin 7 to VIN, TJ=25°C

1600

μA

Capacitor Charging Current

ICHG

Pin 7 to VIN, TJ=25°C

270

μA

Current Limit Sense Voltage

VIPK (Sense) TJ=25°C

165

200

235

mV

OUTPUT SWITCH

Darlington Switch Collector to

Emitter Voltage Drop

VSWCE (DROP) ISW=1.0A, Pin 2 to GND, TJ=25°C

1.0

1.3

V

Collector Off−State Current

IC (OFF)

VCE=40V

0.01

100

μA

COMPARATOR

Feedback Voltage

VFB

TJ=25°C

1.250

V

-1.5

+1.5

%

Threshold Voltage Line

Regulation

REGLINE

VIN=5.0V~40V

-6.0

2.0

6.0

mV

TOTAL DEVICE

Supply Current

IIN

VIN=5.0V~40V, CT=2.2nF, Pin 7=VIN,

VPin 5>Vth, Pin 2=GND,

remaining pins open

7.0

mA

Thermal Shutdown Threshold

160

°C

Hysteresis

10

°C

Note: TLOW=0°C, Thigh=+70°C.