LM3243 datasheet(8/32 Pages) TI1

부품명	LM3243

상세설명	High-Current Step-Down Converter

Download	32 Pages

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제조업체	TI1 [Texas Instruments]

홈페이지	http://www.ti.com

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8 / 32 page

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

0

2

4

6

8

10

12

INPUT VOLTAGE (V)

20 s/DIV

IOUT

2V/DIV

500 mA/DIV

VCON

2V/DIV

VOUT

3.0

3.5

4.0

4.5

5.0

5.5

6.0

2.50

2.55

2.60

2.65

2.70

2.75

2.80

2.85

2.90

2.95

3.00

INPUT VOLTAGE (V)

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

210

220

230

240

250

260

270

280

290

INPUT VOLTAGE (V)

2.5

3.0

3.5

4.0

4.5

5.0

5.5

2.4

2.6

2.8

3.0

3.2

3.4

3.6

INPUT VOLTAGE (V)

DROPOUT

IOUT= 1.5A

0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

VCON (V)

2.5X GAIN

LM3243

SNVS782C – OCTOBER 2010 – REVISED AUGUST 2015

www.ti.com

6.8 Typical Characteristics

VOUT = 3.4 V

VIN = 4.3 V down to Dropout

VIN = 4.2 V

RLOAD = 6.8 Ω

0.16 V < VCON < 1.4 V

Figure 1. Output Voltage vs. Supply Voltage

Figure 2. Output Voltage vs. VCON Voltage

VIN = 3.8 V

VOUT = 2.5 V

IOUT = 700 mA

2.7 V < VIN< 5.5 V (No Load)

VOUT = 1 V

Figure 3. Center-Switching Frequency vs. Supply Voltage

Figure 4. Quiescent Current (PFM) vs. Supply Voltage

VIN = 3.8 V

RLOAD = 6.8 Ω

VOUT = 0 V to 3 V

2.7 V < VIN< 5.5 V (No Load)

VOUT = 2.5 V

Figure 6. VCON Transient (3G/4G)

Figure 5. Quiescent Current (PWM) vs. Supply Voltage

8

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유사한 부품 번호 - LM3243

제조업체	부품명	데이터시트	상세설명
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LM3243 데이터시트(PDF) 8 Page - Texas Instruments

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