Datasheet > MC34063AP1G

MC34063AP1G

更新时间： 2024-01-25 04:01:34

品牌	Logo	应用领域
罗彻斯特 - ROCHESTER		开关光电二极管
页数	文件大小	规格书
16页	1865K
描述
1.5A SWITCHING REGULATOR, 100kHz SWITCHING FREQ-MAX, PDIP8, LEAD FREE, PLASTIC, DIP-8

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技术参数
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MC34063AP1G 技术参数

生命周期：	Contact Manufacturer	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.76
Base Number Matches：	1

MC34063AP1G 数据手册

MC34063A, MC33063A, SC34063A, SC33063A, NCV33063A

ELECTRICAL CHARACTERISTICS (V = 5.0 V, T = T to T [Note 4], unless otherwise specified.)

high

low

Characteristics

Symbol

Min

Typ

Max

Unit

OSCILLATOR

Frequency (V

= 0 V, C = 1.0 nF, T = 25°C)

kHz

−

Pin 5

osc

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

chg

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

dischg

140

5.2

250

220

6.5

300

260

7.5

350

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

I /I

dischg chg

Current Limit Sense Voltage (I

= I

dischg

, T = 25°C)

ipk(sense)

chg

OUTPUT SWITCH (Note 5)

Saturation Voltage, Darlington Connection

(I = 1.0 A, Pins 1, 8 connected)

−

1.0

1.3

0.7

CE(sat)

Saturation Voltage (Note 6)

(I = 1.0 A, R = 82 W to V , Forced b ] 20)

0.45

CE(sat)

Pin 8

DC Current Gain (I

= 1.0 A, V = 5.0 V, T = 25°C)

−

Collector Off−State Current (V = 40 V)

−

0.01

100

C(off)

COMPARATOR

Threshold Voltage

T = 25°C

1.225

1.21

1.25

−

1.275

1.29

T = T

to T

low

high

Threshold Voltage Line Regulation (V = 3.0 V to 40 V)

Reg

line

MC33063, MC34063

MC33063V, NCV33063

−

1.4

5.0

6.0

Input Bias Current (V = 0 V)

−

−20

−400

TOTAL DEVICE

Supply Current (V = 5.0 V to 40 V, C = 1.0 nF, Pin 7 = V

−

4.0

Pin 5

> V , Pin 2 = GND, remaining pins open)

4. T

= 0°C for MC34063, SC34063; −40°C for MC33063, SC33063, MC33063V, NCV33063

high

low

= +70°C for MC34063, SC34063; +85°C for MC33063, SC33063; +125°C for MC33063V, NCV33063

5. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible.

6. If the output switch is driven into hard saturation (non−Darlington configuration) at low switch currents (≤ 300 mA) and high driver currents

(≥ 30 mA), it may take up to 2.0 ms for it to come out of saturation. This condition will shorten the off time at frequencies ≥ 30 kHz, and is

magnified at high temperatures. This condition does not occur with a Darlington configuration, since the output switch cannot saturate. If a

non−Darlington configuration is used, the following output drive condition is recommended:

output

Forced b of output switch :

w 10

driver – 7.0 mA *

* The 100 W resistor in the emitter of the driver device requires about 7.0 mA before the output switch conducts.

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