SM8133B 查看數據表（PDF） - Nippon Precision Circuits

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SM8133B

White LED Driver IC

Nippon Precision Circuits  

VOUT EFFICIENCY

SM8133B

100

90

80

VF = 3.2V

VF = 3.4V

VF = 3.6V

70

VF = 3.8V

60

50

3.2

3.4

3.6

3.8

4.0

4.2

4.4

4.6

VIN [V]

Efficiency of PIN vs. POUT

Backlight LED × 6pcs, ILED1 to 6 = 20mA,

Flash LED × 1pc, ILED7 = 0mA,

IOUT = 120mA, ILDO = 0mA

100

90

80 VF = 3.2V

VF = 3.4V

VF = 3.6V

70

VF = 3.8V

60

50

3.2

3.4

3.6

3.8

4.0

4.2

4.4

4.6

VIN [V]

Efficiency of PIN vs. POUT

Backlight LED × 3pcs, ILED1 to 6 = 15mA,

Flash LED × 1pc, ILED7 = 0mA,

IOUT = 45mA, ILDO = 0mA

SEIKO NPC CORPORATION —8

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