MC33023DWR2 datasheet(3/18 Pages) ONSEMI

Nome de Peças	MC33023DWR2

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 2], unless otherwise noted.)

Characteristic

Symbol

Min

Typ

Max

Unit

REFERENCE SECTION

Reference Output Voltage (IO = 1.0 mA, TJ = + 25°C)

Vref

5.05

5.1

5.15

V

Line Regulation (VCC = 10 V to 30 V)

Regline

−

2.0

15

mV

Load Regulation (IO = 1.0 mA to 10 mA)

Regload

−

2.0

15

mV

Temperature Stability

TS

−

0.2

−

mV/

°C

Total Output Variation over Line, Load, and Temperature

Vref

4.95

−

5.25

V

Output Noise Voltage (f = 10 Hz to 10 kHz, TJ = + 25°C)

Vn

−

50

−

mV

Long Term Stability (TA = +125°C for 1000 Hours)

S

−

5.0

−

mV

Output Short Circuit Current

ISC

− 30

−65

−100

mA

OSCILLATOR SECTION

Frequency

TJ = + 25°C

Line (VCC = 10 V to 30 V) and Temperature (TA = Tlow to Thigh)

fosc

380

370

400

420

430

kHz

Frequency Change with Voltage (VCC = 10 V to 30 V)

Dfosc/DV

−

0.2

1.0

%

Frequency Change with Temperature (TA = Tlow to Thigh)

Dfosc/DT

−

2.0

−

%

Sawtooth Peak Voltage

VOSC(P)

2.6

2.8

3.0

V

Sawtooth Valley Voltage

VOSC(V)

0.7

1.0

1.25

V

Clock Output Voltage

High State

Low State

VOH

VOL

3.9

−

4.5

2.3

−

2.9

V

ERROR AMPLIFIER SECTION

Input Offset Voltage

VIO

−

15

mV

Input Bias Current

IIB

−

0.6

3.0

mA

Input Offset Current

IIO

−

0.1

1.0

mA

Open−Loop Voltage Gain (VO = 1.0 V to 4.0 V)

AVOL

60

95

−

dB

Gain Bandwidth Product (TJ = + 25°C)

GBW

4.0

8.3

−

MHz

Common Mode Rejection Ratio (VCM = 1.5 V to 5.5 V)

CMRR

75

95

−

dB

Power Supply Rejection Ratio (VCC = 10 V to 30 V)

PSRR

85

110

−

dB

Output Current, Source (VO = 4.0 V)

Output Current, Sink (VO = 1.0 V)

ISource

ISink

0.5

1.0

3.0

3.6

−

mA

Output Voltage Swing, High State (IO = − 0.5 mA)

Output Voltage Swing, Low State (IO = 1 mA)

VOH

VOL

4.5

0

4.75

0.4

5.0

1.0

V

Slew Rate

SR

6.0

12

−

V/

ms

PWM COMPARATOR SECTION

Ramp Input Bias Current

IIB

−

−0.5

−5.0

mA

Duty Cycle, Maximum

Duty Cycle, Minimum

DC(max)

DC(min)

80

−

90

−

0

%

Zero Duty Cycle Threshold Voltage Pin 3(4) (Pin 7(9) = 0 V)

Vth

1.1

1.25

1.4

V

Propagation Delay (Ramp Input to Output, TJ =+ 25°C)

tPLH(in/out)

−

60

100

ns

SOFT−START SECTION

Charge Current (VSoft−Start = 0.5 V)

Ichg

3.0

9.0

20

mA

Discharge Current (VSoft−Start = 1.5 V)

Idischg

1.0

4.0

−

mA

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 as possible.

Tlow =0°C for MC34023

Thigh = +70°C for MC34023

=−40

°C for MC33023

= +105

°C for MC33023

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