The CXAC85184 is a green-mode Pulse Width Modulation (PWM) controller. It is specifically designed for low
power applications such as 5W-20W Adaptors and Off-line battery Chargers.In these typical applications, the
low standby power, space saving,and low cost are all required. CXAC85184 is a perfect solutions to meet these
challenges. The typical standby power is only 0.13Watt.In normal operation, the CXAC85184 switches on and off
at a fixed switching frequency of 60 kHz. With a current limit capability of about 420mA, the CXAC85184 can directly
drive the emitter of a high voltage NPN transistor. When the output power falls below a given level, the IC enters
skip cycle mode to reduce power consumption.The CXAC85184 also features Under-Voltage Lockout , Over-Temperature

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[ CXAC85184 ]"
目录
7.相关产品
产品概述 返回TOP
The CXAC85184 is a green-mode Pulse Width Modulation (PWM) controller. It is specifically designed for low power applications such as 5W-20W Adaptors and Off- line battery Chargers.In these typical applications, the low standby power, space saving,and low cost are all required. CXAC85184 is a perfect solutions to meet these challenges. The typical standby power is only 0.13Watt.In normal operation, the CXAC85184 switches on and off at a fixed switching frequency of 60 kHz. With a current limit capability of about 420mA, the CXAC85184 can directly
drive the emitter of a high voltage NPN transistor. When the output power falls below a given level, the IC enters skip cycle mode to reduce power consumption.The CXAC85184 also features Under-Voltage Lockout , Over-Temperature Protection,Over-Current and Short Circuit Protections.The CXAC85184 is available in TO-94 Packages.
产品特点 返回TOP
Internal Zener Diode
Low Cost Emitter Drive PWM Solution
0.13W Standby Power
Current Mode Operation
Short Circuit Protection
Over-Current Protection
Over-Temperature Protection
Under-Voltage Lockout with Auto-restart
Available in TO-94 Packages
RoHS Compliant and 100% Lead (Pb)-Free
应用范围 返回TOP
Battery Chargers
Universal Off-line Power Supplies
Power Adaptors
LED 3W-9W Lighting Solutions with CXPU3359
技术规格书(产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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AC/DC PWM Controller |
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Product |
Status |
Device Description |
VIN(min~max) |
VOUT |
IOUT |
IQ(typ) |
Vfb |
Frequency |
Pkg |
Active |
1.9A固定频率白光驱动 |
2.5~5V |
3-27v |
1.9A |
170uA |
0.3V |
1.2MHZ |
SOT23-6 |
|
NRFED |
1A白光驱动 |
2.7~4.5V |
ADJ |
2.5A |
100uA |
0.1V |
1MHZ |
SOT23-6 |
|
NRFED |
450uA |
60KHZ |
420mA |
TO92 |
|||||
NRFED |
700uA |
40KHZ |
420mA |
SOT23-6 SOP8 |