OCP8108A Datasheet: One-Channel High Power LED Controller





OCP8108A One-Channel High Power LED Controller Datasheet

Part Number OCP8108A
Description One-Channel High Power LED Controller
Manufacture Orient Chip
Total Page 2 Pages
PDF Download Download OCP8108A Datasheet PDF

Features: WWW.ORIENT-CHIP.COM OCP8108A One-Chann el High Power LED Controller ◼ Gener al Description The OCP8108A is a high p ower LED driver, non-synchronous boost controller. Ideal for use, the OCP8108A can powered the LED backlight in LCD p anels. It contains all of the features needed to implement single ended primar y topologies. The OCP8108A is suitable for topologies which require a ground s ource N-channel FET including boost, SE PIC and various LED driver applications . The device features include programma ble oscillator frequency, power MOSFET over-current protection (OCP), over-vol tage protection (OVP), under-voltage lo ck-out (UVLO) and Over Temperature prot ection (OTP). A soft-start feature is p rovided to minimize in-rush current dur ing start-up. The OCP8108A is available in SOP-8L package, and it is RoHS comp liant. Operating temperature range of t he OCP8108A is from -40°C to 85°C. Features ⚫ Wide Supply Voltage Ran ge: 10.0V ~ 25.0V ⚫ For Boost, SEPIC, LED Driver Applications.

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OCP8108A
One-Channel High Power LED Controller
General Description
The OCP8108A is a high power LED driver,
non-synchronous boost controller. Ideal for use, the
OCP8108A can powered the LED backlight in LCD
panels. It contains all of the features needed to
implement single ended primary topologies.
The OCP8108A is suitable for topologies which
require a ground source N-channel FET including boost,
SEPIC and various LED driver applications.
The device features include programmable
oscillator frequency, power MOSFET over-current
protection (OCP), over-voltage protection (OVP),
under-voltage lock-out (UVLO) and Over Temperature
protection (OTP). A soft-start feature is provided to
minimize in-rush current during start-up.
The OCP8108A is available in SOP-8L package,
and it is RoHS compliant. Operating temperature range
of the OCP8108A is from -40°C to 85°C.
Features
Wide Supply Voltage Range: 10.0V ~ 25.0V
For Boost, SEPIC, LED Driver Applications
Number of LEDs in series limited by external
MOSFETs rating
External enable control
EN PWM Dimming Control
Frequency adjustable: 100KHz ~ 800KHz
Over-voltage protection
Power MOSFET current limited
Low in-rush current soft-start function
Under-voltage lock-out
Thermal shutdown
Low Standby current
TA= -40 ~ 85
Available in SOP-8L Package
Applications
LCD White LED Backlighting
LCD TVs
Automotive and Infotainment Displays
Battery Powered Systems
Industrial Control Systems
Pin Configuration
SOP-8L (Top View)
Pin
Name
VCC
EN
CMP
IFB
CS
RSET
GND
SWOUT
Pin No.
SOP-8L
1
2
3
4
5
6
7
8
Figure 1, Pin Assignments of OCP8108A
I/O Pin Function
P Input Power for controller and internal MOSFET driver
I ON/OFF control for the controller
I/O Output of the error amplifier
I LED Current Sense Input
I Current/Voltage sense pin
I/O Resistor to set operation frequency
P Ground
O Boost Power MOSFET Drive Output
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Ver 1.1 Feb .27, 2018
源于灿瑞 磁传天下

     






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