MC33023DWG datasheet(4/18 Pages) ONSEMI

Nome de Peças	MC33023DWG

Descrição Electrónicos	High Speed Single?묮nded PWM Controller

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Fabricante Electrônico	ONSEMI [ON Semiconductor]

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MC34023, MC33023

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ELECTRICAL CHARACTERISTICS (VCC = 15 V, RT = 3.65 kW, CT = 1.0 nF, for typical values TA = + 25°C, for min/max values TA

is the operating ambient temperature range that applies [Note 3], unless otherwise noted.)

Characteristic

Symbol

Min

Typ

Max

Unit

CURRENT SENSE SECTION

Input Bias Current (Pin 9(12) = 0 V to 4.0 V)

IIB

−

15

mA

Current Limit Comparator Input Offset Voltage (Pin 11(14) = 1.1 V)

VIO

−

45

mV

Current Limit Reference Input Common Mode Range (Pin 11(14)) TJ =+ 25°C

VCMR

1.0

−

3.0

V

Shutdown Comparator Threshold

Vth

1.25

1.40

1.55

V

Propagation Delay (Current Limit/Shutdown to Output, TJ =+ 25°C)

tPLH(in/out)

−

50

80

ns

OUTPUT SECTION

Output Voltage

Low State (ISink = 20 mA)

(ISink = 200 mA)

High State (ISource = 20 mA)

(ISource = 200 mA)

VOL

VOH

−

13

12

0.25

1.2

13.5

13

0.4

2.2

−

V

Output Voltage with UVLO Activated (VCC = 6.0 V, ISink = 0.5 mA)

VOL(UVLO)

−

0.25

1.0

V

Output Leakage Current (VC = 20 V)

IL

−

100

500

mA

Output Voltage Rise Time (CL = 1.0 nF, TJ = + 25°C)

tr

−

30

60

ns

Output Voltage Fall Time (CL = 1.0 nF, TJ = + 25°C)

tf

−

30

60

ns

UNDERVOLTAGE LOCKOUT SECTION

Startup Threshold (VCC Increasing)

Vth(on)

8.8

9.2

9.6

V

UVLO Hysteresis Voltage (VCC Decreasing After Turn−On)

VH

0.4

0.8

1.2

V

TOTAL DEVICE

Power Supply Current

Startup (VCC = 8.0 V)

Operating

ICC

−

0.5

20

1.2

30

mA

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

Tlow =0°C for MC34023

Thigh = +70°C for MC34023

=−40

°C for MC33023

= +105

°C for MC33023

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