LM27961 datasheet(8/13 Pages) NSC

部件名	LM27961

功能描述	Dual-Display White LED Driver with 3/2x Switched Capacitor Boost

Download	13 Pages

Scroll/Zoom	100%

制造商	NSC [National Semiconductor (TI)]

网页	http://www.national.com

标志

8 / 13 page

Typical Performance Characteristics Unless otherwise specified: V

IN = 3.6V; VLEDxA = 3.6V; VLEDxB

= 3.6V; ENA = V

IN and ENB = GND, or ENA = GND and ENB = VIN;RSETA =RSETB = 8.35k

Ω;C

IN,C1,C2 , and CPOUT =

1µF. (Continued)

Diode Current (DxA)

vs. R

SETx

Input Voltage (Top)

and Output Voltage (Bottom) Waveforms

20127916

20127917

Vertical Scale = (100mV/div),

Horizontal Scale = 1µs/div)

ENx Signal (Top)

and Charge Pump Start-Up (Bottom) Waveforms

20127918

Vertical Scale = (2V/div),

Horizontal Scale = 100µs/div)

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