H34063AS datasheet(2/6 Pages) HSMC

2 / 6 page

HI-SINCERITY

MICROELECTRONICS CORP.

Spec. No. : HS200202

Issued Date : 2000.02.01

Revised Date : 2002.04.22

Page No. : 2/6

H34063AS

HSMC Product Specification

Pin Connections

Pin1:Switch Collector

Pin5:Comparator Inverting Input

Pin2:Switch Emitter

Pin6:Vcc

Pin3:Timing Capacitor

Pin7:Ipk Sense

Pin4:Gnd

Pin8:Driver Collector

Absolute Maxium Rating

Supply Voltage ...................................................................................................................... 40 V

Comparator Input Voltage Range ........................................................................... -0.3 V ~ 40 V

Switch Collector Voltage ....................................................................................................... 40 V

Switch Emitter Voltage .......................................................................................................... 40 V

Switch Collector to Emitter Voltage ....................................................................................... 40 V

Driver Collector Voltage ........................................................................................................ 40 V

Switch Current ...................................................................................................................... 1.6A

Power Dissipation DIP Package Ta=25

°C ....................................................................... 625 mW

Thermal Resistance Junction to Air ............................................................................. 160

°C / W

Operating Junction Temperature ....................................................................................... 125

°C

Operating Ambient Temperature Range ........................................................................ 0 ~ 70

°C

Storage Temperature Range ............................................................................... -40

°C ~ 125 °C

Electrical Characteristics (Vcc=5V,Ta=25

°C, unless otherwise specified)

Parameter

Test Condition

Symbol

Min.

Typ.

Max.

Unit

Oscillator

Charging Current

5.0V

≤VCC≤40V

Ichg

Discharge Current

5.0V

≤VCC≤40V

Idischg

140

220

260

Voltage Amplitude

Pin3

VOSC

-0.6

Discharge to Charge Current Ratio VIPK(Sense) =VCC

IDischg/Ichg

5.2

6.5

7.5

Current Limit Sense Voltage

IChg=Idischg

VIPK(Sence)

250

300

350

Output Switch

Saturation Voltage, Darlington

Connection

ISW=1.0A,

VC(Driver)=VC(Switch)

VCE(Sat)

-1.0

1.3

Saturation Voltage

ISW=1.0A,

IC(Driver)=50mA

(Forced

β ≈ 20)

VCE(Sat)

-0.4

0.7

DC Current Gain

ISW=1.0A, VCE=5.0V

hFE

Collector Off-State Current

VCE=40V

ICC(Off)

0.01

100

Comparator

Threshold Voltage

°C≤Ta≤70°C

VFB

1.227

1.210

1.250

1.273

1.29

Threshold Voltage Line Regulation 3.0V

≤VCC≤40V

Regline

1.5

Input Bias Current

VIN=0V

IIB

-20

-400

Supply Current

VIPK(Sence)=VCC

VPin5

>VFB,

5.0V

≤VCC≤40V

CT=0.0001uF,Pin2=Gnd

Remaining pins open

ICC

-1.6

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