datasheet4u.com

900,000+ datasheet pdf search and download

Datasheet4U offers most rated semiconductors data sheet pdf





CHIP
CHIP

CP2143 Datasheet Preview

CP2143 Datasheet

3-Channel Low-Dropout Constant-Current Parallel LED Driver

No Preview Available !

CP2143 pdf
Product Brief
CP2143 V1.1
LED Driver Series
3-Channel Low-Dropout Constant-Current Parallel LED Driver with
Current Setting Resistor
www.datasheet4Gu.econmeral Description
The CP2143, a 3-channel low-dropout constant-current parallel LED
driver, can be used to drive white LED, blue LED or any color LED whose
forward operating voltage is lower than the battery voltage. The unique
Smart-MirrorTM technology is introduced in CP2143, which can guarantee
a constant LED current in various operating conditions. Without capacitor
or inductor, only one resistor is needed for setting the current of the LEDs.
The CP2143 is available in a space-saving Pb-free SOT23-6L package.
Features
SOT23-6L
-40~85
y 38μA supply current, can be powered by a GPIO port low as 2.5V
y LED’s current set by external resistor, up to 40mA per channel supported
y Only 150mV dropout voltage needed at 20mA per channel
y LED current matching: ±0.3% (typical)
y PWM dimming control or DC voltage control supported
y Over 90efficiency can be reached
y No EMI and switch noise
y Thermal shutdown protection
y Shutdown current less than 0.1μA
Applications
y Mobile phones
y Digital still camera
y MP3 players
y PDAs
y GPS receivers
y Torches
Pin Configurations
SOT23-6L Package
(Top View)
SOT23-6L Marking
EN 1
GND 2
6 LED1
5 LED2
CPLSG
SET 3
4 LED3
CPLSG-CP2143ST
Copyright ©2006 Chiphomer Technology Limited
1



CHIP
CHIP

CP2143 Datasheet Preview

CP2143 Datasheet

3-Channel Low-Dropout Constant-Current Parallel LED Driver

No Preview Available !

CP2143 pdf
Product Brief
CP2143 V1.1
LED Driver Series
3-Channel Low-Dropout Constant-Current Parallel LED Driver with
Current Setting Resistor
Typical Application circuits
www.datasheet4u.com
GPIO
PWM
Dimming Control
RISET
SET LED1 LED2 LED3
EN CP2143
GND
DAC
Battery
RISET
SET LED1 LED2 LED3
GPIO
OFF ON
EN CP2143
GND
Battery
Existing
LDO
RISET
SET LED1 LED2 LED3
GPIO
EN CP2143
PWM
Dimming Control
GND
Battery
Existing
Regulator
VCTRL
PWM
Dimming Control
RISET
SET
LED1 LED2 LED3
GPIO
EN CP2143
OFF ON
GND
CP2143 Typical Application circuits
Contact with Chiphomer
4F, Building D, 1618 Yishan Road Shanghai, 201103, P.R.C.
Tel: (86)21-64014543 64058488
Fax: (86)21-64050030
Sale: sales@chiphomer.com
Technical support: support@chiphomer.com
Web site: www.chiphomer.com
Shenzhen Office:
10D, Building 2, Dushi Yangguang Garden CheGongMiao, Futian District, Shenzhen, 518048,
P.R.C.
Tel: (86)755-82046706 82047789
Fax: (86)755-8204670
Copyright ©2006 Chiphomer Technology Limited
2


Part Number CP2143
Description 3-Channel Low-Dropout Constant-Current Parallel LED Driver
Maker CHIP
Total Page 2 Pages
PDF Download
CP2143 pdf
CP2143 Datasheet PDF
[partsNo] view html
View PDF for Mobile








Similar Datasheet

1 CP2140 4-Channel Low-Dropout Constant-Current Parallel LED Driver CHIP
CHIP
CP2140 pdf
2 CP2141 3-Channel Low-Dropout Constant-Current Parallel LED Driver CHIP
CHIP
CP2141 pdf
3 CP2142 4-Channel Low-Dropout Constant-Current Parallel LED Driver CHIP
CHIP
CP2142 pdf
4 CP2143 3-Channel Low-Dropout Constant-Current Parallel LED Driver CHIP
CHIP
CP2143 pdf
5 CP2145 4-Channel Low-Dropout Constant-Current Parallel LED Driver CHIP
CHIP
CP2145 pdf





Part Number Start With

0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z

Site map

Webmaste! click here

Contact us

Buy Components

Privacy Policy