34063

Absolute Maximum Ratings

Symbol

Parameter

Maximum

Units

VCC

Power Supply Voltage

40

Vdc

VIR

Comparator Input Voltage Range

-0.3 to +40

Vdc

VC(switch)

Switch Collector Voltage

40

Vdc

VE(switch)

Switch Emitter Voltage (VPIN1 = 40 V)

40

Vdc

VCE(switch)

Switch Collector to Emitter Voltage

40

Vdc

VC(driver)

Driver Collector Voltage

40

Vdc

IC(driver)

Driver Collector Current (Note 1)

100

mA

ISW

Switch Current

1.5

A

TJ

Operating Junction Temperature

+150

°C

TA

Operating Ambient Temperature Range

0 to +70

°C

Tstg

Storage Temperature Range

-65 to +150

°C

Electrical Characteristics

(Vcc=5.0V, Ta=Tlow

to Thigh , unless otherwise

specified)

OSCILLATOR

Characteristics

Symbol

Min

Typ

Max

Units

Frequency (Vpin5 = 0V, CT = 1.0 nF, TA = 25°C)

fOSC

24

33

42

kHz

Charge Current(VCC = 5.0V to 40V, TA = 25°C)

Ichg

24

35

42

µA

Discharge Current (VCC = 5.0V to 40V, TA = 25°C)

Idischg

140

220

260

µA

Discharge to Charge Current Ratio (Pin 7 to V CC, TA = 25°C)

Idischg /

Ichg

5.2

6.5

7.5

–

Current Limit Sense Voltage (Ichg = Idischg, TA = 25°C)

Vipk(sence)

250

300

350

mV

OUTPUT SWITCH (NOTE 2)

Saturation Voltage, Darlington Connection (ISW = 1.0 A, Pins 1, 8 connected)

VCE(sat)

–

1.0

1.3

V

Saturation Voltage, Darlington Connection (ISW = 1.0 A, Rpin 8 = 82Ω to VCC , Forced β ≅ 20)

VCE(sat)

–

0.45

0.7

V

DC Current Gain (ISW = 1.0 A, VCE = 5.0 V, TA = 25°C)

hFE

50

75

–

–

Collector Off-State Current (VCE = 40 V)

IC(off)

–

40

100

µA

COMPARATOR

Threshold Voltage

(TA=25°C)

(TA =Tlow to Thigh)

Vth

1.225

1.21

1.25

–

1.275

1.29

V

Threshold Voltage Line Regulation

(Vcc=3.0 V to 40 V)

Input Bias Current

(Vin=0 V)

TOTAL DEVICE

Supply Current

(Vcc = 5.0 V to 40 V, CT = 1.0 nF, Pin 7 = VCC, Vpin 5 > Vth, Pin 2 =

Gnd, remaining pins open)

Regline

–

1.4

5.0

mV

IIB

–

-20

-400

nA

ICC

–

–

4.0

mA

NOTES :

1.Maximum package power dissipation limits must be observed.

2.Low duty cycle pulse techniques are used during test to maintain junction temperature

as close to ambient temperature as possible

BEIJING ESTEK ELECTRONICS CO.,LTD

2