NTE1753 datasheet(2/4 Pages) NTE

Part #	NTE1753

Description	Integrated Circuit Pulse Width Modulator (PWM) Control Circuit

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Manufacturer	NTE [NTE Electronics]

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Absolute Maximum Ratings: (TA = 0° to +70°C unless otherwise specified)

Power Supply Voltage, VCC

42V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Collector Output Voltage, VC

42V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Collector Output Current, IC

250mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Amplifier Input Voltage, Vin

VCC +0.3V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power Dissipation (TA ≤ 45°C), PD

1000mW

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating Junction Temperature, TJ

+125

°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating Ambient Temperature Range, TA

0

° to +70°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage Temperature Range, Tstg

–55

° to +125°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Thermal Resistance, Junction to Ambient, RΘJA

+80

°C/W

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power Derating Factor, 1/RΘJA

12.5mW/

°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Derating Ambient Temperature, TA

+45

°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Recommended Operating Conditions:

Parameter

Symbol

Min

Typ

Max

Unit

Power Supply Voltage

VCC

7.0

15

40

V

Collector Output Voltage

VC

–

30

40

V

Collector Output Current

IC

–

200

mA

Amplifier Input Voltage

Vin

–0.3

–

VCC–2

V

Current Into Feedback Terminal

If b

–

0.3

mA

Reference Output Current

Iref

–

10

mA

Timing Resistor

RT

1.8

47

500

k

Ω

Timing Capacitor

CT

0.0047

0.001

10

µF

Oscillator Frequency

fOSC

1.0

25

200

kHz

Electrical Characteristics: (VCC = 15V, CT = 0.01µF, RT = 12kΩ. For typical values TA = +25°C,

for min/max values TA is 0° to +70°C unless otherwise specified.)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Reference Section

Reference Voltage

Vref

IO = 1mA

4.75

5.0

5.25

V

Line Regulation

Regline

VCC = 7V to 40V

–

2

25

mV

Load Regulation

Regload IO = 1mA to 10mA

–

3

15

mV

Short–Circuit Output Current

ISC

Vref = 0

15

35

75

mA

Output Section

Collector Off–State Current

IC(off)

VCE = 40V, VCC = 40V

–

2

100

µA

Emitter Off–State Current

IE(off)

VCC = VC = 40V, VE = 0

–

–100

µA

Collector–Emitter Saturation Voltage

Vsat(C)

IC = 200mA, VE = 0, Common Emitter

–

1.1

1.3

V

Vsat(E)

IE = 200mA, VC = 15V, Emitter Follower

–

1.5

2.5

V

Output Voltage Rise Time

tr

TA = +25°C, Common Emitter

–

100

200

ns

TA = +25°C, Emitter Follower

–

100

200

ns

Output Voltage Fall Time

tf

TA = +25°C, Common Emitter

–

25

100

ns

TA = +25°C, Emitter Follower

–

40

100

ns

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