3842B datasheet(8/21 Pages) TI

部件名	3842B

功能描述	HIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLERS

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制造商	TI [Texas Instruments]

网页	http://www.ti.com

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8 / 21 page

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TYPICAL CHARACTERISTICS

-20

0

20

40

60

80

100

1 . E +0 1

1 . E +0 2

1 . E +0 3

1 . E +0 4

1 . E +0 5

1 . E +0 6

1 . E +0 7

f – Frequency – Hz

-100

-50

0

50

100

150

200

VCC = 15 V

RL = 100 kX

TA = 25°C

Phase

Gain

k

Ω

10

100

1k

10k

100k

1M

10M

0

5

10

15

20

25

0

5

10

15

20

25

30

35

40

VCC – Supply Voltage – V

0

0.2

0.4

0.6

0.8

1

1.2

0

1

2

3

4

5

6

7

8

VO – Error Amplifier Output Voltage – V

VIN = 15 V

TA = 125°C

TA = 25°C

TA = -55°C

7.4

7.6

7.8

8

8.2

8.4

8.6

8.8

9

9.2

-55 -35 -15

5

25

45

65

85 105 125 145

TA – Temperature – °C

VIN = 15 V

VOSC = 2 V

TL284xB, TL384xB

HIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLERS

SLVS610A – AUGUST 2006 – REVISED SEPTEMBER 2006

ERROR AMPLIFIER OPEN-LOOP

SUPPLY CURRENT

GAIN AND PHASE

vs

SUPPLY VOLTAGE

FREQUENCY

CURRENT-SENSE INPUT THRESHOLD

OSCILLATOR DISCHARGE CURRENT

vs

ERROR AMPLIFIER OUTPUT VOLTAGE

TEMPERATURE

8

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类似零件编号 - 3842B

制造商	部件名	数据表	功能描述
Pomona Electronics	3842	18Kb / 1P	Connector, Adapter, N (M) To N (M)
ERNI Electronics	384200	59Kb / 1P	Male Con.C/2 48 solder clip
	384205	51Kb / 1P	Male Con.C/2 32 solder
	384206	52Kb / 1P	Male Con.C/2 32 solder
	384207	48Kb / 1P	Male Con.C/2 32 solder

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类似说明 - 3842B

制造商	部件名	数据表	功能描述
Cystech Electonics Corp...	PL384XBP8	278Kb / 15P	High Performance Current Mode PWM Controllers
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Gamma Microelectronics ...	GM3842A	628Kb / 19P	HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
Unisonic Technologies	UC2844	228Kb / 6P	HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
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Cystech Electonics Corp...	PL384XAQ8	281Kb / 15P	High Performance Current Mode PWM Controllers
Unisonic Technologies	UC2843B	285Kb / 8P	HIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLERS
Unisonic Technologies	UC2843B	210Kb / 9P	HIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLERS