产品概述
CXLE81120 series are high integrated and cost effective Light Emitting Diode (LED) drivers optimized for LCD monitor backlight application. It operates in voltage mode Fixed-Frequency boost topology, supports internal burst and external burst (LPWM) dimming functions and over voltage protection.
Device |
Topology |
Dimming |
CXLE81120N |
boost |
DC/LPWM |
CXLE81120Q |
buck |
DC/LPWM |
CXLE81120M |
boost(MOSFET inside) |
LPWM |
产品特点 返回TOP77f嘉泰姆
◆ Minimal required external components77f嘉泰姆
◆ Voltage mode boost topology77f嘉泰姆
◆ High precision reference and Fixed-Frequency (300kHz) control77f嘉泰姆
◆ External programmability of the key parameters77f嘉泰姆
◆ Flexible Dimming mode Control: 77f嘉泰姆
◇ Internal burst ,external burst (LPWM) dimming control 77f嘉泰姆
◇ 0-2V DC voltage or external PWM direct dimming control without external circuits77f嘉泰姆
◇ Dimming range programmable (Max.: 100%~0%)77f嘉泰姆
◆ Reliable protection coverage:77f嘉泰姆
◇ Output over voltage protection (OVP)77f嘉泰姆
◇ Under voltage lockout 77f嘉泰姆
◆ Available in SOP8 package, RoHS compliant77f嘉泰姆
应用范围 返回TOP77f嘉泰姆
◆ LCD monitor77f嘉泰姆
◆ LCD TV77f嘉泰姆
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产品封装图 返回TOP77f嘉泰姆
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Product Number |
MOSFET |
Topology |
Output |
Iout/CH |
Current Balancing FETs |
Dimming |
Package |
CXLE81120N/Q |
External |
Boost/Buck |
1 CH |
-- |
N/A |
DC/PWM |
SOP8 |
CXLE81120M |
Internal 60V/4A |
Boost |
1 CH |
-- |
N/A |
DC/PWM |
DIP8 |
CXLE81121 |
External |
Boost |
2 CH |
-- |
N/A |
DC/PWM |
SOP20 |
CXLE81122 |
Internal 60V/2A |
Boost |
8 CH |
50mA |
Internal |
DC/PWM |
TSSOP/QFN24 |
CXLE81122F |
Internal 60V/4A |
Boost |
4 CH |
100mA |
Internal |
DC/PWM |
TSSOP20 |
CXLE81123 |
External |
Boost |
12 CH |
70mA |
Internal |
DC/PWM |
TSSOP/HSOP28 |
CXLE81123S |
External |
Boost |
6 CH |
140mA |
Internal |
DC/PWM |
TSSOP24 |
CXLE81123F |
External |
Boost |
4 CH |
210mA |
Internal |
DC/PWM |
TSSOP20 |
CXLE81124 |
-- |
Balancer |
6 CH |
-- |
External BJT |
DC/PWM |
SOP24 |