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LNK4024D-TL PDF预览

LNK4024D-TL

更新时间: 2022-09-29 19:29:13
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帕沃英蒂格盛 - POWERINT /
页数 文件大小 规格书
22页 1423K
描述
IC OFF-LINE CNTRLR 15W 8SOIC

LNK4024D-TL 数据手册

 浏览型号LNK4024D-TL的Datasheet PDF文件第2页浏览型号LNK4024D-TL的Datasheet PDF文件第3页浏览型号LNK4024D-TL的Datasheet PDF文件第4页浏览型号LNK4024D-TL的Datasheet PDF文件第5页浏览型号LNK4024D-TL的Datasheet PDF文件第6页浏览型号LNK4024D-TL的Datasheet PDF文件第7页 
LinkSwitch-4 Family  
Energy-Efficient, Accurate Primary-Side Regulated  
CV/CC Switcher for Adapters and Chargers  
Product Highlights  
+
Dramatically Simplifies CV/CC Converters  
Eliminates optocoupler and all secondary CV/CC control circuitry  
Eliminates all control loop compensation circuitry  
LinkSwitch-4  
U1  
LNK4xx2S  
BD  
ED  
Advanced Performance Features  
~
ꢁꢀꢀ  
FB  
Dynamic base drive technology provides flexibility in choice of BJT  
transistor by dynamically optimizing BJT switching characteristics  
Extends RBSOA of BJT  
ꢀS  
GND  
Dramatically reduces sensitivity to BJT gain  
Compensates for input line voltage variations  
Compensates for cable voltage drop  
PI-7462-122315  
Figure 1. Typical Application (SOT-23-6) (S).  
Compensates for external component temperature variations  
Very accurate IC parameter tolerances using proprietary trimming  
technology  
+
Frequency up to 65 kHz to reduce transformer size  
The minimum peak current is fixed to improve transient load response  
BD  
ED  
Enhanced Performance Features  
ꢁꢀꢀ  
~
LinkSwitch-4  
U1  
LNK40x3D  
Easy start for starting into capacitive loads (LNK4114D, LNK4115D)  
Constant power for high current start-up (LNK4214D, LNK4215D)  
13003 drive improved efficiency with 13003 BJT’s (LNK4302S,  
LNK4322S)  
SBD  
FB  
ꢀS  
GND  
Advanced Protection/Safety Features  
Single fault output overvoltage and short-circuit  
Over-temperature protection  
PI-7464-010815  
Figure 2. Typical Application (SO-8) (D).  
Active clamp  
Output Power Table  
EcoSmart– Energy Efficient  
85 - 265 VAC  
Meets DoE 6 and CoC V5 2016 via an optimized quasi-resonant  
switching PWM/PFM control  
No-load consumption of <30 mW at 230 VAC input  
Product3,4  
Features5  
Adapter1  
Open Frame2  
LNK43x2S  
LNK40x2S  
LNK40x3S  
LNK4323S  
LNK40x3D  
LNK4323D  
LNK40x4D  
LNK4114D  
13003 Drive  
STD  
5 W  
6.5 W  
8 W  
Green Package  
Halogen free and RoHS compliant package  
STD  
STD  
STD  
STD  
Applications  
8 W  
Chargers for cell/cordless phones, PDAs, MP3/portable audio  
devices, adapters, networking, etc.  
10 W  
10 W  
15 W  
15 W  
15 W  
18 W  
18 W  
Description  
STD  
The LinkSwitchTM-4 family of ICs dramatically simplifies low power CV/CC  
charger design by eliminating an optocoupler and secondary control  
circuitry. The LinkSwitch-4 family adaptive BJT drive technology uses  
combined base and emitter switching to boost switching performance  
and deliver higher efficiency, wider Reverse Bias Safe Operating Area  
(RBSOA) margin and the flexibility to accommodate a wide range of low  
cost BJT. The device incorporates a multimode PWM/PFM controller  
with quasi resonant switch to maximize the efficiency, meets low  
no-load power and at same time maintain fast transient response  
greater than 4.3 V with a load change from 0% to 100%.  
Easy Start  
LNK4214D Easy Start + Constant Power  
LNK4115D Easy Start  
LNK4215D Easy Start + Constant Power  
Table 1. Output Power Table.  
Notes:  
1. Minimum continuous power in a typical enclosed adapter measured at +50 °C  
ambient, 85-265 VAC device TJ ≤ 100 °C.  
2. Maximum practical continuous power in an open frame design with adequate  
heat sinking, measured at +50 °C.  
3. Package: D: SO-8 , S: SOT-23-6.  
4. Cable compensation factor. x = 0 (no cable compensation),  
x = 1 (3% cable compensation) x = 2 (6% cable compensation).  
5. Easy Start feature uses the BJT current to directly charge CVCC, allowing  
start-up into large output capacitors. 13003 drive feature has the gate drive  
optimized for maximum efficiency when using 13003 BJTs. Constant power  
feature provides 175% of rated current at start-up, allowing start-up into  
large output capacitors (see Figure 15). STD are standard products with all  
the advanced performance and protection/safety features.  
Figure 3. SOT-23-6 and SO-8 Packages.  
www.power.com  
May 2018  
This Product is Covered by Patents and/or Pending Patent Applications.  

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