MC34063A 查看數據表（PDF） - Analog Intergrations

零件编号

产品描述 (功能)

比赛名单

MC34063A

Industrial Standard, Universal DC/DC Converter

Analog Intergrations 

MC34063A

n ELECTRICAL CHARACTERISTICS (VCC= 5V, TA=25°C, unless otherwise

specified.)

PARAMETER

Oscillator

TEST CONDITIONS SYMBOL MIN. TYP. MAX. UNIT

Charging Current

5.0V≤VCC≤30V

Discharge Current

5.0V≤VCC≤30V

Voltage Swing

PIN 3

Discharge to Charge Current

Ratio

VIPK(SENSE) =VCC

ICHG

IDISCHG

VOSC

10

25

40

µA

100 150 200 µA

0.6

V

IDISCHG/ ICHG

6.0

Current Limit Sense Voltage ICHG=IDISCHG

Output Switch

VIPK(SENSE) 250 300 350 mV

Saturation Voltage,

Darlington Connection

Saturation Voltage

ISW=1.0A;

VC(DRIVER)=VC(SWITCH)

ISW=1.0A; IC(DRIVER)=50mA

(Forced β≅20)

VCE(SAT)

VCE (SAT)

1.0 1.3

V

0.4 0.7

V

DC Current Gain

ISW=1.0A; VCE=5.0V

hFE

35 120

Collector Off-State Current VCE=30V

IC(OFF)

10

nA

Comparator

Threshold Voltage

Threshold Voltage

Threshold Voltage Line

Regulation

TA=25°C

0°C≤TA≤70°C

3.0V≤VCC≤30V

VFB

1.227 1.25 1.273

V

1.21

1.29

REGLINE

0.1 0.3 mV/V

Input Bias Current

Supply current

VIN=0V

IIB

VIPK(SENSE)=VCC

VPIN 5>VFB

5.0V≤VCC≤30V

ICC

CT=0.001µF, PIN 2=GND

Remaining pins open

0.4

1

µA

1.6

3

mA

3

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