LM34063AQ8 datasheet(6/9 Pages) CYSTEKEC

Part #	LM34063AQ8

Description	DC-to-DC Converter Control Circuit

Download	9 Pages

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Manufacturer	CYSTEKEC [Cystech Electonics Corp.]

Direct Link	http://www.cystekec.com

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6 / 9 page

CYStech Electronics Corp.

Spec. No. : C501Q8

Issued Date : 2003.03.21

Revised Date :2011.09.06

Page No. : 6/9

LM34063AQ8

CYStek Product Specification

Characteristic Curves

Output Switch On-Off Time vs Oscillator

Timing Capacitance

1

10

100

1000

0.01

0.1

1

10

Oscillator Timing Capacitance---CT(nF)

ton

toff

VCC=5.0V

Pin 7=VCC

Pin 5=GND

TA=25℃

Emitter Follower Configuration Output

Saturation Voltage vs Emitter Current

1

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

Emitter Current---IE(A)

VCC=5V

Pins 1,7,8=VCC

Pins 3,5=Gnd

TA=25℃

(See Note )

Common Emitter Configuration Output Switch

Saturation Voltage vs Collector Current

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

1.1

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

Collector Current---IC(A)

Darlington Connection

Forced β=20

VCC=5V

Pin 7=VCC

Pins 2,3,5=Gnd

TA=25℃

(See Note)

Current Limit Sense Voltage vs Temperature

200

220

240

260

280

300

320

340

360

380

400

-75

-50

-25

0

25

50

75

100 125

Ambient Temperature---TA(℃)

VCC=5.0V

Ichg=Idischg

Standby Supply Current vs Supply Voltage

0

0.4

0.8

1.2

1.6

2

2.4

2.8

3.2

3.6

0

5

10

15

20

25

30

35

40

Supply Voltage---VCC(V)

CT=10nF

Pin 7=VCC

Pin 2=Gnd

Note: Low duty cycle pulse techniques are used during test

to maintain junction temperature as close to ambient

temperature as possible.

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