MB3843 データシートの表示（PDF） - Fujitsu

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MB3843

Lithium Ion Battery Charger DC/DC Converter IC (High Precision with Constant-current Function)

Fujitsu 

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MB3813A/MB3833A/MB3843

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Triangular wave frequency vs. Power supply voltage characteristics

250

Data shown for

240

MB3843

230

Vin1 = 16 V

CTL = 16 V

220

RT = 15 kΩ, CT = 330 pF

210

200

190

180

170

160

150

4 6 8 10 12 14 16 18 20

Power supply voltage VCC (V)

Triangular wave frequency vs. Temperature characteristics

250

VCC = Vin1 = 16 V

CTL = 5 V

225

RT = 15 kΩ, CT = 330 pF

200

175

150

–40 –20

0 20 40 60

Tenperature Ta (°C)

80 100

Triangular wave maximum amplitude voltage

vs. Triangular wave frequency characteristics

2.5

VCC = Vin1 = 16 V

CTL = 5 V

2.0

1.5

Power supply current vs. Power supply voltage characteristics

10

Vin1 = VCC

Ta = +25°C

8

6

CTL = 5 V

4

1.0

0.5

1k

10 k

100 k

1M

Triangular wave frequency fOSC (HZ)

10 M

2

MB3843 MB3833A MB3813A

CTL = 0 V

0

0

5

10

15

20

Power supply voltage VCC (V)

13

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