UC2844N datasheet(5/14 Pages) ONSEMI

部件名	UC2844N

功能描述	HIGH PERFORMANCE CURRENT MODE CONTROLLERS

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制造商	ONSEMI [ON Semiconductor]

网页	http://www.onsemi.com

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5 / 14 page

UC3844, 45 UC2844, 45

5

MOTOROLA ANALOG IC DEVICE DATA

Figure 7. Reference Voltage Change

versus Source Current

Figure 8. Reference Short Circuit Current

versus Temperature

Figure 9. Reference Load Regulation

Figure 10. Reference Line Regulation

2.0 ms/DIV

VCC = 12 V to 25 V

TA = 25°C

0

20

40

60

80

100

120

Iref, REFERENCE SOURCE CURRENT (mA)

VCC = 15 V

TA = –55°C

TA = 25°C

TA = 125°C

–55

–25

0

25

50

75

100

125

TA, AMBIENT TEMPERATURE (°C)

VCC = 15 V

RL ≤ 0.1 Ω

Figure 11. Output Saturation Voltage

versus Load Current

Figure 12. Output Waveform

50 ns/DIV

VCC = 15 V

CL = 1.0 nF

TA = 25°C

800

600

400

200

0

IO, OUTPUT LOAD CURRENT (mA)

VCC

TA = 25°C

TA = –55°C

Sink Saturation

(Load to VCC)

Gnd

Source Saturation

(Load to Ground)

TA = –55°C

VCC = 15 V

80

µs Pulsed Load

120 Hz Rate

TA = 25°C

VCC = 15 V

IO = 1.0 mA to 20 mA

TA = 25°C

0

–4.0

–8.0

–12

–16

–20

–24

110

90

70

50

90%

10%

0

1.0

2.0

3.0

–2.0

–1.0

0

类似零件编号 - UC2844N

制造商	部件名	数据表	功能描述
Motorola, Inc	UC2844N	376Kb / 14P	HIGH PERFORMANCE CURRENT MODE CONTROLLERS
Texas Instruments	UC2844N	3Mb / 56P	[Old version datasheet] Current-Mode PWM Controllers
STMicroelectronics	UC2844N	96Kb / 11P	CURRENTMODE PWM CONTROLLER
Texas Instruments	UC2844N	937Kb / 3P	[Old version datasheet] Current Mode PWM Controller
ON Semiconductor	UC2844N	617Kb / 16P	High Performance Current Mode Controllers July, 2006 ??Rev. 7

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