BD81A24MUV-M datasheet(14/40 Pages) ROHM

Part #	BD81A24MUV-M

Description	4ch White LED Driver with Buck-Boost

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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Datasheet

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BD81A24MUV-M/EFV-M

TSZ02201-0T3T0C600070-1-2

2016.10.19 Rev.003

www.rohm.com

TSZ22111・15・001

Typical Performance Curves - continued

80

85

90

95

100

20

40

60

80

100

120

Output current：ILED1-4 [mA]

80

85

90

95

100

20

40

60

80

100

120

Output current：ILED1-4 [mA]

0

10

20

30

40

50

60

-40

0

40

80

120

Temperature：Ta [℃]

0

10

20

30

40

50

60

01234

5

LED Voltage：VLED [V]

Figure 15. LED Current vs LED Voltage

Figure 16. LED Current vs Temperature

Figure 17. Efficiency vs Output Current

(Buck-Boost Application)

VCC=12V

EN=3.3V

VLED=2V

PWM=VREG

VCC=12V

EN=3.3V

VLED=SWEEP

Ta=25°C

Figure 18. Efficiency vs Output Current

(Boost Application)

VCC=12V

EN=3.3V

PWM=VREG

Ta=25°C

LED8series 4ch

VCC=12V

EN=3.3V

PWM=VREG

Ta=25°C

LED4series 4ch

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BD81A24MUV-M Datasheet(PDF) 14 Page - Rohm

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