MC34063A 参数 Datasheet PDF下载

MC34063A

ABSOLUTE MAXIMUM RATINGS

Symbol

V

CC

V

IR

V

C( switch )

V

E ( switch )

V

CE ( switch )

V

C ( driver )

I

C ( driver )

I

SW

T

J

T

A

Tstg

Parameter

Power Supply Voltage

Comparator Input Voltage Range

Switch Collector Voltage

Switch Emitter Voltage (V

PIN1

= 40 V)

Switch Collector to Emitter Voltage

Driver Collector Voltage

Driver Collector Current (Note 1)

Switch Current

Operating Junction Temperature

Operating Ambient Temperature Range

Storage Temperature Range

Maximum

40

-0.3 to +40

40

40

40

40

100

1.5

+150

0 to +70

-65 to +150

Units

Vdc

Vdc

Vdc

Vdc

Vdc

Vdc

mA

A

ELECTRICAL CHARACTERISTICS

(Vcc

=

5.0 V, T

A

= T

low

to T

high

, unless otherwise specified.)

Characteristics

OSCILLATOR

Frequency (V

pin5

= 0V, C

T

= 1.0 nF, T

A

= 25 C)

Charge Current(V

CC

= 5.0V to 40V, T

A

= 25 C)

Discharge Current (V

CC

= 5.0V to 40V, T

A

= 25 C)

Discharge to Charge Current Ratio (Pin 7 to V

CC

, T

A

= 25 C)

Current Limit Sense Voltage (I

chg

= I

dischg

, T

A

= 25 C)

OUTPUT SWITCH (NOTE 2)

Saturation Voltage, Darlington Connection (I

SW

= 1.0 A, Pins 1, 8 connected)

Saturation Voltage, Darlington Connection (I

SW

= 1.0 A, R

pin 8

= 82 to V

CC

, Forced

DC Current Gain (I

SW

= 1.0 A, V

CE

= 5.0 V, T

A

= 25 C)

Collector Off-State Current (V

CE

= 40 V)

Symbol

f

OSC

I

chg

I

dischg

I

dischg

/

I

chg

V

ipk(sence)

V

CE(sat)

V

CE(sat)

h

FE

I

C(off)

Min

24

24

140

5.2

250

–

–

50

–

Typ

33

35

220

6.5

300

1.0

0.45

75

40

Max

42

42

260

7.5

350

1.3

0.7

–

100

Units

kHz

μA

μA

–

mV

V

V

–

μA

20)

COMPARATOR

Threshold Voltage

Vth

V

(T

A

=25°C)

1.225 1.25 1.275

(T

A

=T

low

to T

high

)

1.21

–

1.29

Threshold Voltage Line Regulation

Reg

line

–

1.4

5.0

mV

(Vcc=3.0 V to 40 V)

Input Bias Current

I

IB

–

-20

-400

nA

(Vin=0 V)

TOTAL DEVICE

I

CC

–

–

4.0

mA

Supply Current (Vcc = 5.0 V to 40 V, C

T

= 1.0 nF, Pin 7 = V

CC

, Vpin 5 > Vth, Pin 2 = Gnd,

remaining pins open)

Note1: Maximum package power dissipation limits must be observed.

Note2: Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as

possible.

:

ADD.: RM. 4004,

88

BLOCK B,

B

4004

,

:210008

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(FAX): (86)-25-68853600-810

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2

NANJING 210008,

CHINA