MB39A119 View Datasheet(PDF) - Fujitsu

Part Name

Description

Manufacturer

MB39A119

DC/DC Converter IC of Synchronous Rectification for charging Li-ion battery

Fujitsu 

MB39A119

■ TYPICAL CHARACTERISTICS

Power Supply Current vs. Power Supply Voltage

6

5

4

3

2

Ta = +25 °C

1

CTL = 5 V

0

0

5

10

15

20

25

Power supply voltage VCC (V)

Reference Voltage vs. Power Supply Voltage

6

5

4

3

2

Ta = +25 °C

1

CTL = 5 V

VREF = 0 mA

0

0

5

10

15

20

25

Power supply voltage VCC (V)

Reference Voltage vs. Load Current

6

Ta = +25 °C

5

VCC = 19 V

CTL = 5 V

4

3

2

1

0

0 5 10 15 20 25 30 35

Load current IREF (mA)

Reference Voltage vs. Operating Ambient Temperature

5.08

5.06

VCC = 19 V

CTL = 5 V

5.04

5.02

5.00

4.98

4.96

4.94

4.92

−40 −20 0

20 40 60 80 100

Operating ambient temperature Ta ( °C)

CTL Terminal Current, Reference Voltage vs.

CTL Terminal Voltage

1000

900

800

700

600

500

400

300

200

100

0

0

10

Ta = +25 °C

VCC = 19 V 9

VREF = 0 mA 8

7

6

VREF

5

4

3

ICTL

2

1

0

5

10

15

20

25

CTL terminal voltage VCTL (V)

DS04-27247-3E

Error Amplifier Threshold Voltage vs.

Operating Ambient Temperature

4.25

4.24

4.23

4.22

4.21

4.20

4.19

4.18

4.17

4.16

4.15

−40 −20 0

VCC = 19 V

CTL = 5 V

20 40 60 80 100

Operating ambient temperature Ta ( °C)

(Continued)

11

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